1634-82-8

1634-82-8 structure

Name	2-(4-hydroxyphenylazo)benzoic acid
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

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

Symbol	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

118-92-3

108-95-2

1634-82-8

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

108-95-2

1634-82-8

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

17333-86-7

108-95-2

1634-82-8

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%