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)

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

• Language:English Provider:1-[(2-Methylphenyl)azo]-2-naphthol

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 2(2646-17-5)Related Product Information

• Solvent Orange 2
• METHYLCYCLOHEXANOL
• 2-Methylnaphthalene
• 1-Naphthol
• ACID RED 114
• PONCEAU 3R
• SOLVENT ORANGE 7,C.I. Solvent Orange 7,1-(2,4-Xylylazo)-2-naphthol, Solvent Orange7
• AZOCAL A
• DIRECT FAST RED 3B
• Solvent Red 27
• ACID RED 26
• ACID ORANGE 8
• CROCEIN SCARLET 7B
• alpha-Tolylazo-o-tolylazo-beta-naphthol,o-Tolylazo-o-tolylazo-beta-naphthol
• Solvent Red 26
• INDOINE BLUE
• C.I. Solvent Orange 78,CI SOLVENT ORANGE 60,SOLVENT ORANGE 60
• Dichloromethylphenylsilane