Orange G , ≥96%(HPLC) , 1936-15-8

Synonym(s):
1-Phenylazo-2-naphthol-6,8-disulfonic acid disodium salt;7-Hydroxy-8-phenylazo-1,3-naphthalenedisulfonic acid disodium salt;Acid Orange 10;Orange G (C.I. 16230);Wool Orange 2G

CAS NO.：1936-15-8

Empirical Formula: C16H13N2NaO7S2

Molecular Weight: 432.4

MDL number: MFCD00012457

EINECS: 217-705-6

PRODUCT Properties

• Melting point: 141 °C
• Density: 0.80 g/mL at 20 °C
• bulk density: 430kg/m3
• Flash point: 14 °C
• storage temp.: room temp
• solubility: H2O: soluble1mg/mL
• Colour Index: 16230
• form: Powder
• pka: 12.8(at 25℃)
• color: Red to Orange
• PH: 9 (10g/l, H2O, 20℃)
• PH Range: Yellow (11.5) to pink (14.0)
• Water Solubility: 5 g/100 mL (20 ºC)
• λmax: 475 nm
• ε(extinction coefficient): ≥10000 at 329-331nm in H2O; ≥17000 at 473-479nm in H2O; ≥20500 at 246-250nm in H2O
• BRN: 4120705
• Stability: Stable. Incompatible with strong oxidizing agents.
• Biological Applications: Detecting lung cancer metastasis; measuring glycated proteins; ophthalmic devices
• InChIKey: HSXUHWZMNJHFRV-QIKYXUGXSA-L
• CAS DataBase Reference: 1936-15-8(CAS DataBase Reference)
• IARC: 3 (Vol. 8, Sup 7) 1987
• EPA Substance Registry System: C.I. Acid Orange 10, disodium salt (1936-15-8)

Description and Uses

Collagen stain for connective tissue. Used with Orcein, Alizarin Blue 2B, and Fast Green FCF in Kornhauser′s quadruple stain for most elementary structures of tissues.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319
• Precautionary statements: P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
• Hazard Codes: Xi,F
• Risk Statements: 36/37/38-11
• Safety Statements: 22-24/25-37/39-26-16-7-36/37
• RIDADR: UN 1987 3/PG 2
• WGK Germany: 3
• RTECS: QJ6500000
• TSCA: Yes
• HS Code: 32041200
• Hazardous Substances Data: 1936-15-8(Hazardous Substances Data)
• Toxicity: LD50 orally in Rabbit: > 3000 mg/kg