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| CAS No.: | 615-15-6 |
|---|---|
| Name: | 2-Methylbenzimidazole |
| Article Data: | 335 |
| Molecular Structure: | |
|
|
|
| Formula: | C8H8N2 |
| Molecular Weight: | 132.165 |
| Synonyms: | Benzimidazole,2-methyl- (8CI);2-Methyl-1H-benzimidazole;2-Methylbenzoimidazole;NSC 6500; |
| EINECS: | 210-411-9 |
| Density: | 1.186 g/cm3 |
| Melting Point: | 175-177 °C(lit.) |
| Boiling Point: | 339.4 °C at 760 mmHg |
| Flash Point: | 184.5 °C |
| Solubility: | slightly soluble in water |
| Appearance: | light beige to brown crystalline powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22-37/38-41-20/21/22 |
| Safety: | 26-39 |
| PSA: | 28.68000 |
| LogP: | 1.87130 |
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Chemistry
IUPAC Name: 2-methyl-1H-benzimidazole
Synonyms:2-Methyl-1h-Benzo[D]Imidazole;2-Methyl-1h-Benzimidazole;2-Methylbenzimidazole;Akos 90363;Rarechem Aq Nn 0067;1h-2-Methylbenzimidazol;1h-2-Methylbenzimidazole;2-Methyl-1h-Benzimidazol
CAS: 615-15-6
MF: C8H8N2
Molecular Weight of 2-methyl-1H-benzimidazole (615-15-6): 132.16
EINECS: 210-411-9
Product Categories: Benzimdazole;Imidazoles, Pyrroles, Pyrazoles, Pyrrolidines;Benzimidazoles;Building Blocks;Heterocyclic Building Blocks
Mol File: 615-15-6.mol
Melting point:175-177 °C(lit.)
Boiling Point: 339.4 °C at 760 mmHg
Flash Point: 184.5 °C(lit.)
Vapour Pressure: 0.000181 mmHg at 25°C
Index of Refraction: 1.666
Molar Refractivity: 41.44 cm3
Molar Volume: 111.3 cm3
Polarizability: 16.42 10-24cm3
Surface Tension of 2-methyl-1H-benzimidazole (615-15-6): 54.4 dyne/cm
Density: 1.186 g/cm3
Enthalpy of Vaporization: 55.98 kJ/mol
Water Solubility of 2-methyl-1H-benzimidazole (615-15-6):slightly soluble
BRN:112264
CAS DataBase Reference:615-15-6(CAS DataBase Reference)
NIST Chemistry Reference:615-15-6(NIST) EPA Substance Registry System:615-15-6(EPA Substance)
Uses
2-methyl-1H-benzimidazole (615-15-6) can be used in pharmaceutical intermediate .
Toxicity Data With Reference
| 1. | mmo-sat 250 µg/plate | CHIMAD Chimia. 27 (1973),68. | ||
| 2. | mma-sat 500 nmol/plate | JMCMAR Journal of Medicinal Chemistry. 22 (1979),981. | ||
| 3. | orl-rat LDLo:500 mg/kg | NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. 5 (1953),22. | ||
| 4. | ivn-mus LD50:200 mg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 105 (1952),486. |
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intravenous | 200mg/kg (200mg/kg) | Journal of Pharmacology and Experimental Therapeutics. Vol. 105, Pg. 486, 1952. | |
| rat | LDLo | oral | 500mg/kg (500mg/kg) | National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 22, 1953. |
RTECS#: CAS# 615-15-6: DD9100000
LD50/LC50: RTECS: Not available.
Carcinogenicity: 2-Methylbenzimidazole - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Other: The toxicological properties have not been fully investigated. See actual entry in RTECS for complete information
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Poison by intravenous route. Moderately toxic by ingestion. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.Hazard Codes:Xn
Risk Statements:22-37/38-41-20/21/22
Safety Statements:26-39
WGK Germany:3
RTECS:DD9100000
HS Code:29339990
Specification
The Molecular Structure of 2-methyl-1H-benzimidazole (615-15-6) is 
2-methyl-1H-benzimidazole (615-15-6) is stable under normal temperatures and pressures.
Avoid incompatible materials to contact 2-methyl-1H-benzimidazole (615-15-6).It is incompatibilities with Other Materials Strong oxidizing agents.
Hazardous Decomposition Products Carbon monoxide, oxides of nitrogen, carbon dioxide.
Hazardous Polymerization Will not occur.
2-methyl-1H-benzimidazole (615-15-6) may cause eye irritation and skin irritation. It may be harmful if absorbed through the skin.
It is harmful if swallowed. May cause irritation of the digestive tract respiratory tract irritation. May be harmful if inhaled.
If you are not careful and contact 2-methyl-1H-benzimidazole (615-15-6) in your eyes,then flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.If serious, get medical aid.
If it is in skin,then flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.If necessary,get medical aid. Wash mouth out with water.
You should remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Avoid breathing dust, vapor, mist, or gas. Do not get on skin and clothing.
2-methyl-1H-benzimidazole (615-15-6) must be stored in a cool, dry place. Store in a tightly closed container.
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Use water spray, dry chemical, carbon dioxide, or chemical foam in a Extinguishing Media.