| Product Identification | Back to Contents | 【Product Name】
4-Methylimidazole | 【Synonyms】
4(5)-Methylimidazole | 【CAS】
822-36-6 | 【Formula】
C4H6N2 | 【Molecular Weight】
82.1 | 【EINECS】
212-497-3 | 【RTECS】
NI7350000 | 【RTECS Class】
Tumorigen | 【Beilstein/Gmelin】
1453 | 【Beilstein Reference】
5-23-05-00089 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Slightly yellow solid. | 【Solubility in water】
Very soluble | 【Boiling Point】
263 | 【Vapor Pressure】
0.02 (25 C) | 【Density】
1.0416 g/cm3 (14.3 C) | 【pKa/pKb】
6.51 (pKb) | 【Partition Coefficient】
.38 | 【Heat Of Vaporization】
48.1 kJ/mol | 【Refractive Index】
1.5037 (14 C) |
| First Aid Measures | Back to Contents | 【Ingestion】
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. | 【Skin】
Get medical aid immediately. Immediately 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 eyelids. Get medical aid immediately. |
| Handling and Storage | Back to Contents | 【Storage】
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale. |
| Hazards Identification | Back to Contents | 【Ingestion】
May cause severe gastrointestinal tract irritation with nausea, vomiting and possible burns. | 【Inhalation】
Effects may be delayed. May cause severe respiratory tract irritation. May cause burns to the respiratory tract. | 【Skin】
Causes skin burns. Effects may be delayed. | 【Eyes】
Causes eye burns. | 【Hazards】
Contact with metals may evolve flammable hydrogen gas. | 【EC Risk Phrase】
R 22 34 | 【EC Safety Phrase】
S 26 36/37/39 45 | 【UN (DOT)】
3263 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. 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. | 【Poison Class】
3 |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
157 | 【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】
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. |
| Stability and Reactivity | Back to Contents | 【Incompatibilities】
Acids, acid chlorides, acid anhydrides, strong oxidizing agents. | 【Stability】
No data. | 【Decomposition】
Nitrogen oxides, carbon monoxide, carbon dioxide. | 【Combustion Products】
Fire may produce irritating, corrosive and/or toxic gases. |
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