1. Introduction of 1-Butyl-3-methylimidazolium chloride
1H-Imidazolium,3-butyl-1-methyl-, chloride, its cas register number is 79917-90-1. It also can be called 1-n-butyl-3-methylimidazolium chloride and 3-Butyl-1-methyl-1H-imidazol-3-ium chloride .

2. Properties of 1-Butyl-3-methylimidazolium chloride
Melting point: 73 °C
Flash Point: 192 °C
Sensitive: Hygroscopic
Appearance of 1H-Imidazolium,3-butyl-1-methyl-, chloride: cream-colored to yellow mass.

3. Structure Descriptors of 1-Butyl-3-methylimidazolium chloride
Canonical SMILES: CCCCN1C=C[N+](=C1)C.[Cl-]
InChI: InChI=1S/C8H15N2.ClH/c1-3-4-5-10-7-6-9(2)8-10;/h6-8H,3-5H2,1-2H3;1H/q+1;/p-1
InChIKey: FHDQNOXQSTVAIC-UHFFFAOYSA-.

4. Toxicity of 1-Butyl-3-methylimidazolium chloride
1H-Imidazolium,3-butyl-1-methyl-, chloride hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65. And the toxicological properties have not been fully investigated.

5. Safety Information of 1-Butyl-3-methylimidazolium chloride
Hazard Codes: T, N
Risk Statements: 25-36/37/38-51/53-36/38
R25 :Toxic if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R36/38:Irritating to eyes and skin.
Safety Statements: 26-45-61-22
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
S22:Do not breathe dust.
RIDADR: UN 2811 6.1/PG 3
WGK Germany: 3
F: 3-10-21

6. Other details of 1-Butyl-3-methylimidazolium chloride
1-Butyl-3-methylimidazolium chloride is hazardous, so the first aid measures and others should be known. Such as: When on the skin: Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Or in the eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. While, it's inhaled: Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Then you have the ingesting of the product : Wash mouth out with water, and get medical aid immediately.
1-Butyl-3-methylimidazolium chloride absorbs moisture or water from the air. It should avoid the condition like incompatible materials, exposure to moist air or water. It is not compatible with strong oxidizing agents. And also prevent it to broken down into hazardous decomposition products: carbon hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide. However, its hazardous polymerization has not been reported. In addition, it should be stored in a cool, dry place, stored in a tightly closed container, or stored under nitrogen.