2-(4-Hydroxyphenylazo)benzoic acid

Modify Date: 2024-01-02 13:44:18

2-(4-Hydroxyphenylazo)benzoic acid Structure
2-(4-Hydroxyphenylazo)benzoic acid structure
Common Name 2-(4-Hydroxyphenylazo)benzoic acid
CAS Number 1634-82-8 Molecular Weight 242.23000
Density 1.3g/cm3 Boiling Point 493.995ºC at 760 mmHg
Molecular Formula C13H10N2O3 Melting Point 204-208 °C(lit.)
MSDS Chinese USA Flash Point 252.559ºC
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name 2-(4-hydroxyphenylazo)benzoic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3g/cm3
Boiling Point 493.995ºC at 760 mmHg
Melting Point 204-208 °C(lit.)
Molecular Formula C13H10N2O3
Molecular Weight 242.23000
Flash Point 252.559ºC
Exact Mass 242.06900
PSA 82.25000
LogP 3.50580
Vapour Pressure 0mmHg at 25°C
Index of Refraction 1.627
Stability Stable. Incompatible with strong oxidizing agents.
Water Solubility ethanol: 20 mg/mL, clear

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2927000090

 Synthetic Route

~%

2-(4-Hydroxyphenylazo)benzoic acid Structure

2-(4-Hydroxyphe...

CAS#:1634-82-8

Literature: Molecular Crystals and Liquid Crystals, , vol. 485, p. 254/[1002]-262/[1010]

~%

2-(4-Hydroxyphenylazo)benzoic acid Structure

2-(4-Hydroxyphe...

CAS#:1634-82-8

Literature: Chemische Berichte, , vol. 55, p. 1542 Justus Liebigs Annalen der Chemie, , vol. 472, p. 210

~%

2-(4-Hydroxyphenylazo)benzoic acid Structure

2-(4-Hydroxyphe...

CAS#:1634-82-8

Literature: Spectrochimica Acta, Part A: Molecular and Biomolecular Spectroscopy, , vol. 39, # 8 p. 729 - 734

 Customs

HS Code 2927000090
Summary 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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 Synonyms

2-[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