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Solvent Orange 2

Basic information Safety Supplier Related

Solvent Orange 2 Basic information

Product Name:
Solvent Orange 2
Synonyms:
  • FAT ORANGE RR
  • CI 12100
  • 1-(O-TOLYLAZO)-2-NAPHTHOL
  • 1-[(2-methylphenyl)azo]-2-naphthol
  • O-TOLUENE-AZO-2-NAPHTHOL
  • ORANGE OT
  • OIL ORANGE SS
  • SOLVENT ORANGE 2
CAS:
2646-17-5
MF:
C17H14N2O
MW:
262.31
EINECS:
220-162-8
Product Categories:
  • Solvent Dyestuff
  • Organics
Mol File:
2646-17-5.mol
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Solvent Orange 2 Chemical Properties

Melting point:
124-126°C
Boiling point:
405.56°C (rough estimate)
Density 
1.0823 (rough estimate)
refractive index 
1.5500 (estimate)
Colour Index 
12100
pka
13.52±0.50(Predicted)
form 
neat
Water Solubility 
26.23ug/L(room temperature)
BRN 
8330630
Stability:
Stable. Combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference
2646-17-5(CAS DataBase Reference)
IARC
2B (Vol. 8, Sup 7) 1987
EPA Substance Registry System
C.I. Solvent Orange 2 (2646-17-5)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
40
Safety Statements 
36-22
WGK Germany 
3
RTECS 
QL5425000
Hazardous Substances Data
2646-17-5(Hazardous Substances Data)

MSDS

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Solvent Orange 2 Usage And Synthesis

Chemical Properties

red needles or powder

General Description

Red needles or orange powder. Sublimes above 374°F.

Air & Water Reactions

Azo dyes can be explosive when suspended in air at specific concentrations. Insoluble in water.

Reactivity Profile

Solvent Orange 2 is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.

Fire Hazard

Flash point data for Solvent Orange 2 are not available; however Solvent Orange 2 is probably combustible.

Safety Profile

Confirmed carcinogen with experimental carcinogenic and neoplastigenic data. Poison by intravenous route. Mildly toxic by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. Used to color cosmetics, varnishes, oils, fats and waxes, petroleum products.

Solvent Orange 2Supplier

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