Name: China CAS: 104-53-0|Phenylpropyl Aldehyde Manufacturers thiab Hoobkas - ALFA GROUP
Brand: Alfa
SKU: 234897545

Tuam txhab Profile

Henan Alfa Chemical Co., Ltd, tau tsim nyob rau hauv Suav teb ntau xyoo dhau los nrog lub hom phiaj ntawm kev muab cov tshuaj zoo rau peb cov neeg siv khoom. Ntau xyoo dhau los, peb tau ua haujlwm tsis tu ncua los txhawb peb lub koob npe nrov raws li tus neeg muag khoom tshuaj lom neeg muaj kev ntseeg siab thiab kev ntseeg siab hauv kev ua lag luam.Thaum ntxov, peb pib los ntawm kev muab cov tshuaj yooj yim rau cov lag luam me. Txawm li cas los xij, raws li peb lub koob npe nrov, yog li peb cov neeg siv khoom thiab ntau yam tshuaj uas peb tau muab. Peb tam sim no txaus siab los muab ntau yam tshuaj xws li cov tshuaj reagents, cov khoom siv tshuaj thiab cov tshuaj lom neeg ua kom tau raws li qhov xav tau ntawm ntau yam kev lag luam & kev tshawb fawb.

tuam txhab kom zoo dua

Cov khoom lag luam nplua nuj

Peb lub tuam txhab tuaj yeem tsim cov tshuaj reagents, cov khoom siv tshuaj thiab biochemicals kom tau raws li cov kev xav tau ntawm kev lag luam hauv tsev thiab txawv teb chaws, thiab xa tawm mus rau Tebchaws Meskas, European Union thiab lwm lub tebchaws thiab cheeb tsam, nrog rau cov teb chaws Asia, Africa, thiab Middle East.

Quality Assurance

Peb yog cov chaw tsim khoom lag luam tau lees paub los ntawm FDA, CCE thiab REACH cov qauv. Peb cov khoom yog 100% Hoobkas kuaj thiab zoo ntim. Tag nrho peb cov khoom ua raws li cov qauv kev lag luam xws li CE, ISO, thiab lwm yam.

Advanced Instruments

Peb lub tuam txhab muaj cov cuab yeej siv siab tshaj plaws thiab cov cuab yeej siv tshuaj thiab cov cuab yeej siv siab tshaj plaws, xws li kev ua haujlwm siab ua kua chromatography, ntsuas ntsuas ntsuas, UV-pom spectrophotometers, thiab lwm yam.; nws tseem yog nruab nrog cov chaw soj nstuam siab heev uas tuaj yeem tsim tshwj xeeb hauv kev tsim cov tshuaj reagents, cov khoom siv tshuaj, tshuaj muaj tshuaj thiab lwm yam.

Kev Pabcuam

Peb muaj ntau xyoo ntawm kev lag luam kev paub thiab ua tiav kev tswj hwm kev tsim khoom, kev saib xyuas zoo, kev pabcuam kev muag khoom. Txawm hais tias koj xav yuav cov tshuaj reagents sib txawv, lossis lwm yam biochemicals, tsuas yog xa koj cov cai ntawm email thiab peb tuaj yeem kho cov khoom rau koj. Peb kuj txais OEM customization.

Methyl 2-Hydroxy-4-Methylvalerate CAS 40348-72-9

Methyl 2-hydroxy-4-methylvalerate CAS 40348-72-9
Cov roj formula: C7H14O3
Molecular Luj: 146.18
Purity: 97%
Pob: 5mg 10mg 100mg 250mg 1g

CAS: 5466-06-8|Ethyl 3-Mercaptopropionate

Cov mis mos molecular: C5H10O2S
Molecular Luj: 134.2
EINECS:226-771-5
Pob: 100g 500g 1kg

CAS:155601-30-2 | 4,5-Diamino-1-(2-hydroxyethyl)pyrazole Sulfate

CAS: 5466-06-8|Ethyl 3-Mercaptopropionate

Cov mis mos molecular: C5H10O2S
Molecular Luj: 134.2
EINECS:226-771-5
Pob: 100g 500g 1kg

Acetyl Tetrapeptide -9 CAS 928006-50-2

Acetyl Tetrapeptide -9 CAS 928006-50-2
Cov mis mos molecular: C22H33N7O9
Molecular Luj: 539.54
Purity: 98%
Pob: 10mg 100mg 500mg 1g 5g 25g 100g bulk

Acetyl Dipeptide -1 Cetyl Ester CAS 196604-48-5

Acetyl Dipeptide -1 cetyl ester CAS 196604-48-5
Cov roj formula: C33H57N5O5
Molecular Luj: 603.84
Purity: 98%
Pob: 10mg 50mg 1g 5g 10g

Carcinine Dihydrochloride CAS 57022-38-5

Carcinine dihydrochloride CAS 57022-38-5
Cov roj formula: C8H14N4O
Molecular Luj: 255.14
Purity: 98%
Pob: 5mg 25mg 1g 5g 25g

Acetyletrapeptide 11 CAS 928006-88-6

Acetyletrapeptide 11 CAS 928006-88-6
Cov roj formula: C27H38N4O7
Molecular Luj: 530.61
Purity: 98%
Pob: 1g 5g 25g 1kg 5kg 25kg

CAS 935288-50-9 Acetyl Decapeptide-3

CAS 935288-50-9 Acetyl Decapeptide-3
Cov roj formula: C68H95N19O17
Molecular Luj: 1450.6
Purity: 98%
Pob: 10mg 50mg 1kg

Palmitoyl Tripeptide 38 CAS 1447824-23-8

Palmitoyl Tripeptide 38 CAS 1447824-23-8
Purity: 98%
Pob: 10mg 50mg 100mg 1g 5kg 25kg

Phenylpropyl Aldehyde yog dab tsi

3-Phenylpropanal, tseem hu ua hydrocinnamaldehyde los yog benzenepropanal, belongs rau chav kawm ntawm cov organic tebchaw hu ua benzene thiab hloov derivatives. Cov no yog cov tshuaj tsw qab uas muaj ib lub nplhaib monocyclic uas muaj benzene. 3-Phenylpropanal muaj nyob rau hauv cov khoom thiab raug suav hais tias yog insoluble (hauv dej) thiab nruab nrab. Hauv lub cell, 3-phenylpropanal feem ntau nyob hauv cytoplasm. 3-Phenylpropanal yog ib qho tshuaj balsam, chocolate, thiab cinnamon tasting compound uas tuaj yeem pom nyob rau hauv ntau yam khoom noj xws li txiv hmab txiv ntoo, dej cawv, suav cinnamon, thiab tshuaj ntsuab thiab txuj lom. Qhov no ua rau 3-phenylpropanal muaj peev xwm biomarker rau kev noj cov khoom noj no.

CAS:2748017-40-3 | 2H-Benzotriazole, 4,7-dibromo-2-methyl-5,6-dinitro-

Cov txiaj ntsig ntawm Phenylpropyl Aldehyde

Siv tau los tiv thaiv kab mob

Phenylpropionaldehyde yog ib qho tseem ceeb ntawm cov khoom siv raw khoom thiab feem ntau siv rau hauv cov tshuaj sab nraud thiab cov tshuaj hluavtaws. Nws tuaj yeem txhawb cov ntshav ncig, ua kom sov ntawm daim tawv nqaij, thiab ua kom cov nqaij tawv nruj. Nws muaj txiaj ntsig zoo hauv softening thiab tshem tawm cov caws pliav thiab fibroids, muaj cov nyhuv antithrombin, thiab muaj sedative, analgesic, antipyretic, thiab anticonvulsant teebmeem. Nws tseem tuaj yeem tiv thaiv cov kab mob thiab txhawb kev zom zaub mov.

Muaj peev xwm inhibit qhov tshwm sim ntawm cov qog

Nws tseem tuaj yeem cuam tshuam qhov tshwm sim ntawm cov qog thiab muaj cov haujlwm tiv thaiv kab mob xws li tshuaj tiv thaiv mutagenic thiab tiv thaiv hluav taws xob. Nws tus kheej cov hlab ntsha dilation thiab cov teebmeem antihypertensive muaj cov nyhuv antihypertensive tseem ceeb ntawm adrenocortical hypertension. Hauv kev lag luam, nws tuaj yeem siv los ua chromogen, kev sim tshuaj reagent, tshuaj tua kab, tshuaj yoov tshaj cum, tshuaj tua kab mob, thiab lwm yam. Nws muaj cov tshuaj tsw qab zoo tuav thiab siv los ua cov tshuaj tsw qab raw khoom hauv perfumery kom cov aroma ntawm cov txuj lom tseem ceeb ntau dua. thiab ruaj khov. Nws yog feem ntau siv raws li ib tug fixative.

Disinfection muaj nuj nqi

Phenylpropionaldehyde tsis cuam tshuam los ntawm tus nqi pH thiab muaj zog sterilization thiab tshuaj tua kab mob ua haujlwm rau cov kua qaub lossis alkaline. Nws yog feem ntau siv los ua ib qho tshiab-kho, antiseptic thiab antifungal tus neeg sawv cev. Kuj tseem muaj roj tsw qab zoo. Nws muaj inhibitory cuam tshuam rau ntau tshaj 20 hom fungi xws li Escherichia coli, Staphylococcus aureus, Shigella dysenteriae, typhoid fever, pneumococci, thiab Salmonella enteritidis.

Dab tsi yog Kev Siv Phenylpropyl Aldehyde

Flavour thiab Fragrance Industry
Ib qho tseem ceeb ntawm kev siv phenylpropyl aldehyde yog nyob rau hauv kev tsim cov naj hoom thiab flavorings. Nws cov ntxhiab tsw sov, qab zib, balsamic ua rau nws yog qhov kev xaiv nrov rau kev tsim cov ntxhiab tsw uas ua rau cov roj yam tseem ceeb.Nws feem ntau pom muaj nyob rau hauv cov khoom xws li colognes, soaps, detergents, thiab cua fresheners.Hauv kev lag luam zaub mov, nws yog siv los ntxiv cov cinnamon. -zoo li saj rau cov khoom ci, dej haus, thiab confectionery.

Tshuaj Synthesis
Phenylpropyl aldehyde yog ib tug precursor nyob rau hauv lub synthesis ntawm ntau yam tshuaj thiab yuav siv tau los tsim complex compounds, xws li cinnamyl cawv thaum txo.

Kev siv tshuaj
Vim nws cov qauv zoo sib xws rau cov khoom sib xyaw ua ke, phenylpropyl aldehyde tuaj yeem ua haujlwm rau hauv kev sib xyaw ntawm cov neeg siv tshuaj muaj peev xwm nrog kev ua haujlwm lom lom.

Xaiv Hydrogenation hauv Perfume Thiab Pharmaceutical Manufacturing
Hydrocinnamaldehyde yog tsim los ntawm kev xaiv hydrogenation ntawm cinnamaldehyde. Kev kawm zoo li Li et al. (2018) qhia tias kev sib koom ua ke ntawm cov nyiaj rau hauv palladium-based catalysts tau txhim kho cov kev ua haujlwm catalytic thiab kev xaiv rau hydrocinnamaldehyde ntau lawm, qhov tseem ceeb rau cov tshuaj tsw qab thiab kev tsim tshuaj (Li li al., 2018).

Gas Phase Hloov Hydrogenation
Kev tshawb fawb los ntawm S. K et al. (2020) pom tau hais tias kev hloov pauv ntawm cinnamaldehyde rau hydrocinnamaldehyde los ntawm kev hloov hydrogenation catalyzed los ntawm kev txhawb Cu catalysts nyob ntawm thaj chaw Cu hlau ua haujlwm thiab qhov xwm txheej ntawm cov khoom txhawb nqa (S. K li al., 2020).

Synthesis Method ntawm Phenylpropionaldehyde

01.

Alkylation cov tshuaj tiv thaiv ntawm phenylpropionaldehyde

Phenylpropanaldehyde tau txais cov tshuaj tiv thaiv hydrocarbonization nyob rau hauv qhov kev txiav txim ntawm cov catalyst aluminium trichloride los tsim cov khoom lag luam xws li cumene thiab polyalkyl compounds. Cov tshuaj tiv thaiv kua yog ntxuav nrog dej thiab alkali, ces nkag mus rau benzene tshem tawm ntauwd kom tshem tawm benzene, thiab thaum kawg nkag mus rau lub cumene ntauwd rau evaporation.

02.

Oxidation

Phenylpropanaldehyde yog oxidized nrog huab cua thiab oxygen hauv oxidation ntauwd los tsim cumene hydroperoxide. Cov txheej txheem oxidation yuav tsum tau nqa tawm ntawm qhov kub thiab txias los xyuas kom meej lub cim xeeb thiab ruaj khov ntawm cumene hydroperoxide. 123

03.

Ua txhaum

Phenylpropionaldehyde decomposes nyob rau hauv qhov kev txiav txim ntawm sulfuric acid catalyst los tsim phenol thiab acetone. Cov kauj ruam no yog qhov tseem ceeb ntawm tag nrho cov txheej txheem thiab yuav tsum muaj kev tswj xyuas meej ntawm cov tshuaj tiv thaiv kom ntseeg tau cov khoom zoo thiab purity. 1234 ib

04.

Distillation thiab purification

Kev sib xyaw ntawm phenylpropionaldehyde thiab acetone tau dhau los ua cov txheej txheem distillation thiab purification kom tshem tawm cov impurities thiab cov ntaub ntawv tsis zoo, thiab thaum kawg tau txais cov khoom siv phenol thiab acetone siab. Thaum lub sijhawm tsim khoom, qee cov khoom lag luam xws li -methylstyrene kuj tsim thiab acetophenone, cov no kuj xav tau kev kho kom tsim nyog thiab rov ua dua tshiab.

CAS No.473416-91-0 | 5-Bromo-2,4-Difluorobenzaldehyde

Kev txo qis ntawm Phenylpropanal

Cov tshuaj tiv thaiv txo qis ntawm phenylpropanal yog hais txog cov tshuaj tiv thaiv uas phenylpropanal tau txais cov hluav taws xob thiab raug txo rau lwm cov tebchaw Cov txheej txheem teb. Phenylpropanal tuaj yeem txo qis rau phenylpropanol los ntawm kev txo cov neeg ua haujlwm xws li sodium bisulfite thiab hydrogen gas.

Sodium bisulfite txo cov tshuaj tiv thaiv:
C6H5CH2CHO+NaHSO3+H+→C6H5CH2CH2OH+NaHSO4

Hydrogen txo cov tshuaj tiv thaiv:
C6H5CH2CH2CO+H2 → C6H5CH2CH2OH
Hauv kev txo cov tshuaj tiv thaiv ntawm phenylpropanal, cov pa roj carbon atom ntawm pawg carboxyl tau txais electrons thiab raug txo kom formyl Cov pa atom ntawm pawg formate poob electrons, tsim ib pawg formyl.

Oxidation Reaction ntawm Phenylpropanal

Cov tshuaj tiv thaiv oxidation ntawm phenylpropanal yog hais txog cov tshuaj tiv thaiv uas phenylpropanal poob electrons thiab oxidizes rau lwm cov tebchaw teb cov txheej txheem. Benzaldehyde tuaj yeem oxidized los ntawm oxidants xws li oxygen thiab hydrogen peroxide thaum lub sij hawm oxidation cov tshuaj tiv thaiv.

Cov tshuaj tiv thaiv oxidation:
C6H5CH2CHO+1/2O2 → C6H5CH2COOH

Hydrogen peroxide oxidation cov tshuaj tiv thaiv:
C6H5CH2CO+H2O2 → C6H5CH2COH+H2O

Thaum lub sij hawm oxidation cov tshuaj tiv thaiv ntawm phenylpropanal, cov pa roj carbon atom ntawm pawg formyl poob electrons, tsim formic acid Cov pa roj carbon atom ntawm lub nplhaib benzene tau txais electrons los ntawm oxygen atom, tsim ib pawg carboxyl. Cov tshuaj tiv thaiv oxidation no kuj tseem suav tau tias yog oxidation-txo cov tshuaj tiv thaiv ntawm phenylpropanal.

CAS:346-88-3 | 3,3'-BIS(TRIFLUOROMETHYL)BENZIDINE

Phenylpropionaldehyde Storage Conditions

Txias:Yuav tsum tau muab cia rau hauv qhov chaw txias kom tsis txhob raug tshav ntuj ncaj qha thiab kub siab.
Qhov cua:Khaws lub warehouse kom zoo ventilated kom yooj yim rau cua.
Sealing:Khaws cov ntim ntim kaw kom tsis txhob muaj cov khoom evaporating lossis xau.
Khaws kom deb ntawm qhov hluav taws kub thiab cua sov:Khaws kom deb ntawm qhov hluav taws kub thiab qhov cua sov kom txo tau qhov hluav taws kub.
Tsis txhob sib cuag nrog oxidants, muaj zog alkali thiab huab cua:Nws yuav tsum tau muab cais los ntawm oxidants, muaj zog alkali thiab huab cua kom tsis txhob muaj tshuaj lom neeg cov tshuaj tiv thaiv uas yuav ua rau muaj kev puas tsuaj los yog kev phom sij.
Cia kub:Qhov ntsuas kub tau pom zoo yog 4 ºC, tab sis 2-8 ºC kuj pom zoo, yog li koj tuaj yeem xaiv qhov ntsuas kub kom haum raws li qhov xwm txheej tshwj xeeb.

Kev Tshawb Fawb Kev Txhim Kho ntawm Redox Peev Xwm ntawm Phenylpropanal

Phenylpropanal, uas yog ib qho tseem ceeb ntawm cov organic compound, kuj tau kawm nyob rau hauv txoj kev tshawb no ntawm redox muaj peev xwm nthuav dav. Ntau qhov kev tshawb fawb tau pom tias qhov redox peev xwm ntawm phenylpropanal muaj feem xyuam rau nws cov qauv thiab ib puag ncig Cov yam ntxwv muaj feem xyuam nrog.

Cov yam ntxwv zoo
Cov qauv ntawm phenylpropanal tuaj yeem ua tiav los ntawm kev hloov pauv txoj haujlwm ntawm cov pab pawg ua haujlwm ntawm lub nplhaib benzene Cov khoom ntawm cov khoom siv hloov pauv tau siv los tswj lawv cov peev xwm redox. Piv txwv li, methyl hloov pauv ntawm phenylpropanal Lub peev xwm oxidation-txo yog yooj yim dua li ntawm phenylpropanal nws tus kheej, thaum phenylpropanal nrog cov neeg siv hluav taws xob hloov pauv Cov peev txheej oxidation-txo tau yooj yim dua rau phenylpropanal nrog cov khoom siv hluav taws xob hloov pauv.

Environmental yam
PH tus nqi, qhov kub thiab txias, thiab lwm yam ib puag ncig kuj tuaj yeem cuam tshuam rau redox hluav taws xob ntawm phenylpropanal Potential muaj feem cuam tshuam. Feem ntau hais lus, qis pH qhov tseem ceeb thiab qhov kub siab dua tuaj yeem ua rau oxidation ntawm phenylpropanal Txo qhov peev xwm ua tau yooj yim dua.

CAS: 544671-78-5 | 2-CHLORO-4-IODO-NICOTINIC ACID

Peb lub Hoobkas

Peb Cov Khoom

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FAQ

Q: CAS tus naj npawb ntawm phenyl propyl aldehyde yog dab tsi?

A: 3-Phenylpropanal (cas# 104-53-0) yog ib qho tshuaj sib xyaw ua ke hauv cov organic synthesis.

Q: Qhov txawv ntawm phenol thiab phenyl yog dab tsi?

A: Qhov sib txawv tseem ceeb ntawm phenol thiab phenyl yog tias phenol yog tsim los ntawm oxygen atom, whereas phenyl tsis muaj oxygen atoms khi rau nws. Qhov txawv ntawm Phenyl thiab Phenol: Phenyl yog lub nplhaib benzene, uas tsis muaj hydrogen atom thiab yog ib qho tsis ruaj khov. Nws yog ib tug heev reactive compound.

Q: Puas yog aldehyde thiab acetaldehyde tib yam?

A: Acetaldehyde (ethanal) yog ib qho aldehyde uas muaj zog heev thiab muaj kuab lom. Acetaldehyde ua rau kev puas tsuaj ntawm cov cellular thiab genomic theem. Tus naj npawb ntawm cov enzymes koom nrog hauv cov metabolism thiab detoxication ntawm acetaldehyde thiab lwm hom aldehyde yog ib qho pov thawj rau qhov cuam tshuam ntawm nws cov reactivity.

Q: Dab tsi yog phenyl acetaldehyde siv rau?

A: Phenylacetaldehyde yog ib qho organic compound siv nyob rau hauv synthesis ntawm fragrances thiab polymers. Phenylacetaldehyde yog ib qho aldehyde uas muaj acetaldehyde bearing ib tug phenyl hloov; niam txiv cov tswv cuab ntawm phenylacetaldehyde chav kawm ntawm cov tebchaw.

Q: Muaj pes tsawg lub tebchaw nyob hauv CAS?

A: CAS REGISTRY muaj ntau dua 127 lab cov tshuaj lom neeg thiab cov khoom siv tsis zoo, xws li alloys, kev sib koom ua ke, cov zaub mov, cov khoom sib xyaw, polymers thiab ntsev, thiab ntau dua 66 lab sequences-ntau dua li lwm cov ntaub ntawv ntawm nws hom.Phenyl isocyanate rau synthesis. CAS 103-71-9, EC Number 203-137-6, chemical formula C₆H₅NCO.

Q: Vim li cas phenol tsis siv lawm?

A: Vim hais tias ntawm nws cov irritant thiab corrosive zog thiab muaj peev xwm toxicity, tam sim no phenol tsis yog feem ntau siv raws li ib tug tshuaj tua kab mob, tshwj tsis yog rau cauterize cov kab mob-xws li, tus kab mob umbilicus ntawm neonates.Phenol tau tshawb pom nyob rau hauv 1834 los ntawm Friedlieb Ferdinand Runge, leej twg. muab rho tawm nws (hauv daim ntawv tsis huv) los ntawm thee tar. Runge hu ua phenol "Karbolsäure" (coal-roil-acid, carbolic acid).

Q: Puas yog phenyl tsuas yog benzene?

A: Cov pab pawg phenyl yog ze ze rau benzene thiab tuaj yeem pom raws li lub nplhaib benzene, rho tawm cov hydrogen, uas tej zaum yuav raug hloov los ntawm lwm cov khoom siv los yog cov khoom siv los ua ib pawg ua haujlwm.Acetaldehyde yog ib qho tseem ceeb aldehyde uas thaum reacts nrog phenylhydrazine muab aldehyde phenylhydrazine. Phenylhydrazine yog siv los hloov ntau yam qab zib sib tov rau phenylhydrazones.

Q: Vim li cas acetaldehyde phem?

A: Qee qhov acetaldehyde nkag mus rau hauv koj cov ntshav, ua rau koj daim nyias nyias thiab ua rau muaj caws pliav. Nws kuj ua rau hangover, thiab tuaj yeem ua rau lub plawv dhia ceev, mob taub hau lossis mob plab. Lub hlwb feem ntau cuam tshuam los ntawm acetaldehyde lom. Nws ua rau muaj teeb meem nrog lub hlwb ua haujlwm thiab tuaj yeem ua rau tsis nco qab.

Q: 3 phenyl propyl cawv siv rau dab tsi?

A: Kev thov. 3-Phenyl-1-propanol tau siv los kawm txog hydrogenation ntawm trans-cinnamaldehyde siv dej-soluble organometallic complexes[2]. Nws tau siv los ua pib reagent thaum lub sij hawm enantioselective synthesis ntawm (S)- thiab (R)-dapoxetine[3]. Tsuas yog qhov uas tau sau tseg, cov ntaub ntawv raug muab rau cov ntaub ntawv hauv lawv lub xeev tus qauv (ntawm 25 degree [77 degree F], 100 kPa). Phenylethanol yog ib qho tshuaj tsw qab, nws muaj lub luag haujlwm ntawm nas metabolite.

Q: Lub npe phenyl nrog cawv yog dab tsi?

A: 2-phenylethanol yog thawj cawv uas yog ethanol hloov los ntawm ib pawg phenyl ntawm txoj hauj lwm 2. Nws muaj lub luag haujlwm xws li tshuaj tsw qab, Saccharomyces cerevisiae metabolite, cov nroj tsuag metabolite, Aspergillus metabolite thiab cov nroj tsuag loj hlob retardant. Nws yog thawj cawv thiab ib tug tswv cuab ntawm benzenes.

Q: phenyl zoo li cas?

A: Phenyls yog cov nplhaib uas muaj ntxhiab nrog cov mis C 6 H 5 thiab raug cais nyob rau hauv qeb ntawm alkyls. Lub cim Ph yog siv los xaiv phenyls hauv cov qauv tshuaj thiab cov npe ntawm cov organic tebchaw. Phenyl pawg yog muab los ntawm benzene molecules thiab muaj ib lub nplhaib qauv.Feem ntau ntawm ethanol nyob rau hauv lub cev yog tawg nyob rau hauv lub siab los ntawm ib tug enzyme hu ua cawv dehydrogenase (ADH), uas transforms ethanol mus rau hauv ib tug tshuaj lom compound hu ua acetaldehyde (CH3CHO), a paub carcinogen.

Q: Cov cawv puas tuaj yeem yog aldehyde?

A: Thawj cov cawv tuaj yeem oxidized rau aldehydes lossis carboxylic acids, nyob ntawm seb cov tshuaj tiv thaiv. Nyob rau hauv cov ntaub ntawv ntawm kev tsim ntawm carboxylic acids, cov cawv yog thawj oxidized rau ib tug aldehyde, ces oxidized ntxiv rau cov kua qaub.

Q: Hom cawv twg yog aldehyde?

A: Ib qho cawv nrog nws pawg -OH sib koom ua ke rau cov pa roj carbon atom uas txuas nrog tsis muaj lossis lwm cov pa roj carbon atom yuav tsim ib qho aldehyde.Chemical Abstracts Service (CAS) Number: Ib tus lej tshwj xeeb uas tau muab los ntawm Chemical Abstracts Service, kev faib ntawm American Chemical Society.

Q: Tus lej CAS qhia koj li cas?

A: CAS Registry Number nws tus kheej tsis muaj qhov tseem ceeb hauv tshuaj lom neeg tab sis muab txoj hauv kev tsis meej los txheeb xyuas cov tshuaj lom neeg lossis cov qauv molecular thaum muaj ntau lub npe, cov khoom siv, cov tswv cuab lossis cov npe tsis tseem ceeb. Nws yog siv los ua ib qho chaw kuaj reagent thiab ua lwm yam tshuaj.

Q: phenyl Isocyanide yog dab tsi?

A: Phenyl isocyanate yog ib qho organic compound feem ntau hu ua PhNCO. Lub molecule muaj ib lub nplhaib phenyl txuas rau isocyanate functional pawg. Nws yog cov kua uas tsis muaj xim uas ua rau dej. Phenyl isocyanate muaj cov ntxhiab tsw thiab kua muag vapors, yog li nws yuav tsum tau saib xyuas.

Q: Dab tsi yog qhov muaj zog tshaj li phenol?

A: Yog li, benzoic acid yog cov kua qaub ntau dua li phenol. Yog li phenol, ua cov acids tsis muaj zog heev tsis hnov mob nrog cov hauv paus tsis muaj zog xws li sodium hydrogen carbonate. Txawm li cas los xij, benzoic acid yog cov kua qaub uas muaj zog, ua rau lub zog nrog sodium hydrogen carbonate kom muab cov pa roj carbon dioxide effervescence.Phenol tau suav nrog LOUS vim yog siv cov tonnage siab hauv Denmark thiab vim tias cov khoom siv ntawm nws cov kev sib raug zoo yog cov tshuaj lom neeg, txaus ntshai los ntawm kev raug mob ntev. thiab mutagenic hauv qeb 2.

Q: Puas yog phenol tas sijhawm?

A: Nws ruaj khov nyob rau lub sijhawm, thiab txawm hais tias nws tuaj yeem tsim cov xim liab me ntsis ntawm qhov pom ntawm lub teeb lossis huab cua, qhov no tsis cuam tshuam rau nws lub zog. Yog li tsis muaj laj thawj rau muab hnub tas sij hawm rau liquefied phenol, thiab yog li ntawd, cov tshuaj phenol liquefied tsis muaj ib qho.Phenol yog siv rau hauv ntau lub lag luam. Nws yog siv rau tshuaj raws li ib tug slimicide, antiseptic, thiab tshuaj tua kab mob thiab tsim ib tug xov tooj ntawm cov khoom. Qee qhov piv txwv ntawm cov neeg ua haujlwm uas muaj kev pheej hmoo raug cuam tshuam rau phenol suav nrog cov hauv qab no: Cov neeg ua haujlwm hauv kev lag luam roj av.

Q: Vim li cas phenol tsis hu ua cawv?

A: Cov tshuaj nyob rau hauv uas ib pab pawg OH txuas ncaj qha mus rau lub nplhaib uas muaj ntxhiab yog xaiv ArOH thiab hu ua phenols. Phenols txawv ntawm cawv nyob rau hauv uas lawv yog me ntsis acidic nyob rau hauv dej. Lawv hnov mob nrog aqueous sodium hydroxide (NaOH) los ua cov ntsev.Cov phenyl pawg yog raws li benzene, nrog ib H tshem tawm. Cov pab pawg benzyl yog raws li methylbenzene (toluene), nrog ib H tshem tawm ntawm pawg methyl.

Q: phenol tsw zoo li cas?

A: Phenol muaj cov ntxhiab tsw txawv uas yog mob qab zib thiab tarry. Koj tuaj yeem saj thiab tsw ntxhiab ntawm phenol ntawm qib qis dua cov uas cuam tshuam nrog kev phom sij. Phenol evaporates qeeb dua li dej, thiab tus nqi nruab nrab tuaj yeem tsim cov tshuaj nrog dej. Phenol tuaj yeem ntes hluav taws.Acetaldehyde raug tshem tawm ntawm lub cev feem ntau los ntawm oxidation rau acetate ntawm ntau NAD-txuas aldehyde dehydrogenase (ALDH) enzymes. Muaj kaum cuaj tus paub ALDHs hauv tib neeg, tab sis tsuas yog qee tus ntawm lawv tshwm sim los koom nrog acetaldehyde oxidation.

Q: Qhov txawv ntawm phenol thiab phenyl yog dab tsi?

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