Acid Orange 7

Melting point :164°C
Density :1.525[at 20℃]
vapor pressure :0Pa at 25℃
storage temp. :Amber Vial, -20°C Freezer, Under inert atmosphere
solubility :Very soluble in water; very slightly soluble in ethanol
Colour Index :15510
form :Crystalline Powder
pka :8.26, 11.4(at 25℃)
color :Green to blue
PH Range :Amber (7.4) to orange (8.6);Orange (10.2) to red (11.8)
Odor :Odorless
Water Solubility :116 g/L (30 ºC)
λmax :483nm
ε(extinction coefficient) :≥17000 at 480-486nm in water at 0.01g/L
≥26500 at 225-231nm in water at 0.01g/L
≥7500 at 307-313nm in water at 0.01g/L Merck :14,6858
BRN :3898201
Stability :Light Sensitive
Biological Applications :Cosmetics; wound dressing materials
Major Application :Organic light emitting diodes (OLEDs), nanoparticles, inks, wood preservatives, textiles, hair dyes, cosmetics, wound dressing materials, biofuel cells
Cosmetics Ingredients Functions :COLORANT
HAIR DYEING InChI :1S/C16H12N2O4S.Na/c19-15-10-5-11-3-1-2-4-14(11)16(15)18-17-12-6-8-13(9-7-12)23(20,21)22;/h1-10,19H,(H,20,21,22);/q;+1/p-1/b18-17+;
InChIKey :CQPFMGBJSMSXLP-ZAGWXBKKSA-M
SMILES :[Na+].Oc1ccc2ccccc2c1\N=N\c3ccc(cc3)S([O-])(=O)=O
LogP :-0.95 at 20℃
CAS DataBase Reference :633-96-5(CAS DataBase Reference)
EPA Substance Registry System :C.I. Acid Orange 7, monosodium salt (633-96-5)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 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. P280 Wear protective gloves/protective clothing/eye protection/face protection.