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4-Methylacetonitrile(2947-61-7)

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
4-Methylacetonitrile

Synonyms
(p-Methylphenyl)acetonitrile
2-(4-Methylphenyl)acetonitrile
4-Methylbenzeneacetonitrile
4-Methylbenzyl cyanide
4-Methylphenylacetonitrile
p-Methylbenzyl cyanide

CAS
2947-61-7

Formula
C9H9N

Molecular Weight
131.18

EINECS
220-963-2

Beilstein/Gmelin
1099645

Beilstein Reference
4-09-00-01796

EC Class
irritant

Physical and Chemical Properties

Appearance
Colorless - light yellow liquid.

Solubility in water
Slightly soluble

Melting Point
18

Boiling Point
243

Vapor Pressure
.03

Density
0.9922 g/cm3 (22 C)

Partition Coefficient
1.91

Heat Of Vaporization
48.0 kJ/mol

Refractive Index
1.5190 (20 C)

First Aid Measures

Ingestion
Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.

Inhalation
Remove from exposure to fresh air immediately.

Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.

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. Use only in a chemical fume hood.

Hazards Identification

Ingestion
Harmful if swallowed.

Inhalation
Harmful if inhaled.

Skin
May cause skin irritation. Harmful if absorbed through the skin.

Eyes
Lachrymator.

Hazards
When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.

EC Risk Phrase
R 20/21/22 36

EC Safety Phrase
S 26 36/37/39

UN (DOT)
2810

Exposure Controls/Personal Protection

Personal Protection
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

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.

Fire Potential
Combustible material: may burn but does not ignite readily.