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Home > Products > Specialty & Industrial Chemicals > Specialty Chemicals > 2-(4-Hydroxyphenylazo)benzoic acid
2-(4-Hydroxyphenylazo)benzoic acid structure, CAS 1634-82-8

2-(4-Hydroxyphenylazo)benzoic acid

CAS Number1634-82-8

Synonyms2-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]benzoic acid; MFCD00002428; 4'-Hydroxyazobenzene-2-carboxylic Acid; 2-(4-Hydroxyphenylazo)benzoic Acid; 4-Hydroxyazobenzene-2'-carboxylic Acid; EINECS 216-655-2

Molecular FormulaHOC6H4N=NC6H4CO2H

Molecular Weight242.23

Purity≥90 (HPLC)%

Density1.3g/cm3

Boiling Point493.995ºC at 760 mmHg

Melting Point204-208 °C (lit.)

Flash Point

AppearanceLight yellow to orange powder

EINECS216-655-2

MSDSChineseEnglish

Symbol

Signal Word

Cat. No.: 2A-9027179 Purity: ≥90 (HPLC)%
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Quality Control of [ 1634-82-8 ] Purity: ≥90 (HPLC)% SDS Specification MoL

COA NMR CNMR HPLC LC-MS
Chemical & Physical Properties
CAS Number1634-82-8
Catalog No.2A-9027179
Chinese Name2-(对羟基苯偶氮)苯甲酸
Synonyms2-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]benzoic acid; MFCD00002428; 4'-Hydroxyazobenzene-2-carboxylic Acid; 2-(4-Hydroxyphenylazo)benzoic Acid; 4-Hydroxyazobenzene-2'-carboxylic Acid; EINECS 216-655-2
Molecular FormulaHOC6H4N=NC6H4CO2H
Molecular Weight242.23
Purity≥90 (HPLC)
Density1.3g/cm3
Boiling Point493.995ºC at 760 mmHg
Melting Point204-208 °C (lit.)
AppearanceLight yellow to orange powder
Water Solubilityethanol: 20 mg/mL, clear
Storage ConditionKeep container sealed and store in a cool, dry pla
EINECS216-655-2
HTC2927000090
PubChem ID57654257
MDL NumberMFCD00002428
SMILESOc1ccc(cc1)\N=N\c2ccccc2C(O)=O
InChI1S/C13H10N2O3/c16-10-7-5-9(6-8-10)14-15-12-4-2-1-3-11(12)13(17)18/h1-8,16H,(H,17,18)/b15-14+
InChI KeyDWQOTEPNRWVUDA-CCEZHUSRSA-N
Beilstein/REAXYS1842696
NACRES CodeNA.22
UNSPSC12352100
MSDSmsds/27179_1_1634_82_8.pdf
Tax Rebate9.0%
SupervisionNone MFN tariff: 6.5% Ordinary tariff: 30.0%
Transport InfoProduct name: Purity: 98.0%
MSDS Transport InfoModule 14. Shipping information United Nations classification: inconsistent with United Nations classification standards UN number: not specified
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