Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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Quinoxaline(91-19-0)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
Quinoxaline
Synonyms
1,4-Benzodiazine
1,4-Diazanaphthalene
1,4-Naphthyridine
Benzoparadiazine
Phenopiazine
Quinazine
CAS
91-19-0
Formula
C8H6N2
Molecular Weight
130.15
EINECS
202-047-4
RTECS
VD1225000
RTECS Class
Agricultural Chemical and Pesticide; Mutagen
Merck
12,8263
Beilstein/Gmelin
109351
Beilstein Reference
5-23-07-00135

Physical and Chemical Properties

Appearance
Yellow to brown solid. Quinoline-like odor.
Solubility in water
Slightly osluble
Melting Point
30 - 32
Boiling Point
230
Vapor Pressure
0.1 (25 C)
Density
1.1485 g/cm3 (32 C)
pKa/pKb
13.41 (pKb)
Partition Coefficient
1.35
Heat Of Vaporization
44.7 kJ/mol
Heat Of Combustion
-4179 kJ/mol
Usage
Used in the production of used as dyes, pharmaceuticals and antibiotics.
Refractive Index
1.6231 (20 C)

First Aid Measures

Ingestion
Get medical aid. Wash mouth out with water.
Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage

Storage
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.

Hazards Identification

Ingestion
No information found.
Inhalation
No information available.
Skin
May cause skin irritation.
Eyes
May cause eye irritation.
EC Risk Phrase
R 36/38
EC Safety Phrase
S 26 36

Exposure Controls/Personal Protection

Personal Protection
Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
Respirators
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.

Fire Fighting Measures

Flash Point
98
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Will burn if involved in a fire. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures

Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment.

Stability and Reactivity

Disposal Code
3
Stability
No data.
Incompatibilities
Strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Transport Information

HS Code
2933 99 90
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