Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Hazards Identification
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5-Methyl-1H-benzotriazole(136-85-6)

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

Product Identification

Product Name
5-Methyl-1H-benzotriazole
Synonyms
5-Methyl-1H-benzotriazole (1,2,3)
5-Methyl-2H-benzotriazole
5-Methylbenzotriazole
CAS
136-85-6
Formula
C7H7N3
Molecular Weight
133.16999999999999
EINECS
205-265-8
RTECS
DM1400000
RTECS Class
Other
Beilstein/Gmelin
116658
Beilstein Reference
4-26-00-00144

Physical and Chemical Properties

Appearance
Beige powder
Solubility in water
6 g/L
Melting Point
85
Boiling Point
361
Vapor Pressure
2E-5 (25 C)
pKa/pKb
8.66 (pKa)
Partition Coefficient
1.8
Heat Of Vaporization
60.6 kJ/mol

First Aid Measures

Ingestion
Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.
Inhalation
Remove from exposure to fresh air immediately.
Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids.

Handling and Storage

Storage
Store in a cool, dry place. Keep container closed when not in use.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Exposure Controls/Personal Protection

Personal Protection
Wear appropriate safety goggles, protective clothing and gloves.
Respirators
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.
Exposure Effects
The toxicological properties of this material have not been investigated.

Fire Fighting Measures

Flash Point
182
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Accidental Release Measures

Small spills/leaks
Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.

Stability and Reactivity

Incompatibilities
Avoid contact with strong oxidizing agents, strong acids.
Stability
Stable under normal temperatures and pressures.

Hazards Identification

Hazards
During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
EC Risk Phrase
R 22 36/37/38
EC Safety Phrase
S 26 36/37/39
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