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
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2,3-Benzodiazine(253-52-1)

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

Product Identification

Product Name
2,3-Benzodiazine
Synonyms
2,3-Benzodiazine
2,3-Diazanaphthalene
Benzo[d]pyridazine
CAS
253-52-1
Formula
C8H6N2
Molecular Weight
130.13999999999999
EINECS
205-963-2
Merck
12,7526
Beilstein/Gmelin
109240
Beilstein Reference
5-23-07-00149

Physical and Chemical Properties

Appearance
Slightly brown solid.
Solubility in water
Soluble
Melting Point
89 - 91
Boiling Point
315
Vapor Pressure
0.0008 (25 C)
pKa/pKb
10.53 (pKb)
Partition Coefficient
.46
Heat Of Vaporization
53.5 kJ/mol
Heat Of Combustion
-4253 kJ/mol

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
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
Expected to be a low ingestion hazard.
Inhalation
Low hazard for usual industrial handling.
Skin
Non-irritating to the skin.
Eyes
No information regarding eye irritation and other potential effects was found.
EC Safety Phrase
S 22 24/25

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
163
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures

Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity

Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.
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