OrangeⅡ , Analysis of standard products ,, ≥98.0%(HPLC) , 633-96-5

Synonym(s):
4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt;Acid Orange 7;Acid Orange A;Orange II;Tropaeolin 000 No. 2

CAS NO.：633-96-5

Empirical Formula: C16H13N2NaO4S

Molecular Weight: 352.34

MDL number: MFCD00021510

EINECS: 211-199-0

PRODUCT Properties

• 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
• form: Crystalline Powder
• Colour Index: 15510
• pka: 8.26, 11.4(at 25℃)
• color: Green to blue
• Odor: Odorless
• PH Range: Amber (7.4) to orange (8.6);Orange (10.2) to red (11.8)
• 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
• 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)

Description and Uses

Acid Orange 7 (CAS# 633-96-5) is an environmental pollutant.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319
• Precautionary statements: P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36-37/39
• WGK Germany: 3
• RTECS: DB7084000
• HS Code: 32041200