2-(4-Hydroxyphenylazo)benzoic acid

• Catalog No.: 06788
• CAS Number: 1634-82-8
• M. F.: C13H10N2O3
• M. W.: 242.2301
• Purity: ≥99.5% (HPLC)

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

• EC Number: 216-655-2
• MDL Number: MFCD00002428
• CAS Number: 1634-82-8
• Beilstein Number: 1842696
• PubChem SID: 24845972

PROPERTIES

• abs.: absorption/337 nm ≥2000 (mol. absorption)
• Cation Traces: Ag: ≤1.0 mg/kg
• Cation Traces: Al: ≤1.0 mg/kg
• Cation Traces: B: ≤1.0 mg/kg
• Cation Traces: Ba: ≤1.0 mg/kg
• Cation Traces: Be: ≤1.0 mg/kg
• Cation Traces: Bi: ≤1.0 mg/kg
• Cation Traces: Ca: ≤1.0 mg/kg
• Cation Traces: Cd: ≤1.0 mg/kg
• Cation Traces: Co: ≤1.0 mg/kg
• Cation Traces: Cr: ≤1.0 mg/kg
• Cation Traces: Cu: ≤1.0 mg/kg
• Cation Traces: Fe: ≤1.0 mg/kg
• Cation Traces: Ge: ≤1.0 mg/kg
• Cation Traces: K: ≤5 mg/kg
• Cation Traces: Li: ≤1.0 mg/kg
• Cation Traces: Mg: ≤1.0 mg/kg
• Cation Traces: Mn: ≤1.0 mg/kg
• Cation Traces: Na: ≤5 mg/kg
• Cation Traces: Ni: ≤1.0 mg/kg
• Cation Traces: Pb: ≤1.0 mg/kg
• Cation Traces: Sn: ≤1.0 mg/kg
• Cation Traces: Sr: ≤1.0 mg/kg
• Cation Traces: Tl: ≤1.0 mg/kg
• Cation Traces: Zn: ≤1.0 mg/kg
• Grade: matrix substance for MALDI-MS
• Grade: puriss. p.a.
• Linear Formula: HOC6H4N=NC6H4CO2H
• Purity: ≥99.5% (HPLC)
• Melting Point: 204-208 °C(lit.)
• Melting Point: 204-208 °C
• Solubility: ethanol: soluble20 mg/mL, clear
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• 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