Melting point :250°C
Boiling point :429.53°C (rough estimate)
Density :1.3681 (rough estimate)
refractive index :1.5600 (estimate)
solubility :Soluble in water, ethanol; slightly soluble in acetone
form :powder
Colour Index :14030
pka :11.2(at 25℃)
color :Orange-brown
PH Range :10(Yellow)-12(Violet)
Water Solubility :SOLUBLE
λmax :385nm
Merck :14,255
BRN :962365
Major Application :Display device, photoresist, nanoparticles, sensors, image-recoring materials, photoconductive materials, photography, electrorheological materials, copying materials, optical engineering applications, monitoring oil degradation, lubricant, flame luminosity enhancing agent, coloring zinc, method for polymerization of vinyl chloride, determination of OH groups on resins, cosmetics, diapers, food storage, measurement of acidity injuice, assay for aldehyde contents, determination of albumin, agent for plaque, method for counting leukocytes, antifungal agent
InChIKey :ZHFPEICFUVWJIS-BGWNKZQTSA-M
CAS DataBase Reference :2243-76-7(CAS DataBase Reference)
EPA Substance Registry System :Benzoic acid, 2-hydroxy-5-[(4-nitrophenyl)azo]- (2243-76-7)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313 IF eye irritation persists: Get medical advice/attention.