Benzimidazole
Suppliers
Names
[ CAS No. ]:
51-17-2
[ Name ]:
Benzimidazole
[Synonym ]:
benzimidazol
monobenzimidazole
EINECS 200-081-4
Azindole
Benzoimidazole
1H-Benzo[d]imidazole
BZI
Benziminazole
MFCD00005585
Benzimidazole
CH2-2-benzimidazole
3-Azaindole
Azindol
1H-Benzoimidazole
1H-Benzimidazole
5-23-06-00196 (Beilstein Handbook Reference)
Chemical & Physical Properties
[ Density]:
1.2±0.1 g/cm3
[ Boiling Point ]:
360.0±11.0 °C at 760 mmHg
[ Melting Point ]:
169-171 °C(lit.)
[ Molecular Formula ]:
C7H6N2
[ Molecular Weight ]:
118.136
[ Flash Point ]:
208.4±5.7 °C
[ Exact Mass ]:
118.053101
[ PSA ]:
28.68000
[ LogP ]:
1.38
[ Vapour Pressure ]:
0.0±0.8 mmHg at 25°C
[ Index of Refraction ]:
1.697
[ Stability ]:
Stable. Combustible. Incompatible with strong oxidising agents.
[ Water Solubility ]:
sparingly soluble
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- DD5425000
- CHEMICAL NAME :
- Benzimidazole
- CAS REGISTRY NUMBER :
- 51-17-2
- BEILSTEIN REFERENCE NO. :
- 0109682
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 11
- MOLECULAR FORMULA :
- C7-H6-N2
- MOLECULAR WEIGHT :
- 118.15
- WISWESSER LINE NOTATION :
- T56 BM DNJ
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 500 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 385 mg/kg
- TOXIC EFFECTS :
- Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage)
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 2910 mg/kg
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - other changes
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 445 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 280 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
MUTATION DATA
- TYPE OF TEST :
- Phage inhibition capacity
- TEST SYSTEM :
- Bacteria - Escherichia coli
- DOSE/DURATION :
- 1 gm/L
- REFERENCE :
- ZAPOAK Zeitschrift fuer Allgemeine Mikrobiologie. (Akademie-Verlag GmbH, Postfach 1233, Berlin DDR-1086 Ger. Dem. Rep.) V.1- 1960- Volume(issue)/page/year: 12,583,1972 *** REVIEWS *** TOXICOLOGY REVIEW MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 32,151,1975
Safety Information
[ Hazard Codes ]:
Xi:Irritant
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S37/39-S26
[ WGK Germany ]:
3
[ RTECS ]:
DD5425000
[ HS Code ]:
2933990090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2933990090
[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%