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2-(4-Hydroxyphenylazo)benzoic acid_Molecular_structure_CAS_1634-82-8)
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2-(4-Hydroxyphenylazo)benzoic acid

Catalog No. 54793 Name Sigma Aldrich
CAS Number 1634-82-8 Website http://www.sigmaaldrich.com
M. F. C13H10N2O3 Telephone 1-800-521-8956
M. W. 242.2301 Fax
Purity ≥99.5% (HPLC) Email
Storage Chembase ID: 5513

SYNONYMS

Title
2-(4-羟基苯唑)苯甲酸
IUPAC name
2-[2-(4-hydroxyphenyl)diazen-1-yl]benzoic acid
IUPAC Traditional name
2-[2-(4-hydroxyphenyl)diazen-1-yl]benzoic acid
Synonyms
HABA
HBABA
2-(4′-Hydroxybenzeneazo)benzoic acid
4′-Hydroxyazobenzene-2-carboxylic acid
2-(4′-羟基苯偶氮)苯甲酸
4′-羟基偶氮苯-2-羧酸

DATABASE IDS

PubChem SID 24878994
EC Number 216-655-2
MDL Number MFCD00002428
CAS Number 1634-82-8
Beilstein Number 1842696

PROPERTIES

abs. absorption/337 nm ≥2000 (mol. absorption)
Analyte suitability glycans
Analyte suitability peptides
Analyte suitability polymers
Analyte suitability proteins
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤50 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Na: ≤100 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Grade matrix substance for MALDI-MS
Linear Formula HOC6H4N=NC6H4CO2H
Purity ≥99.5% (HPLC)
Purity ≥99.5%
Melting Point 204-208 °C(lit.)
Melting Point 204-208 °C
Solubility ethanol: soluble20 mg/mL, clear
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
Safety Statements 26-36
German water hazard class 3

DETAILS

REFERENCES