2-Aminobenzimidazole

Modify Date: 2024-01-02 16:21:18

2-Aminobenzimidazole Structure
2-Aminobenzimidazole structure
 Common Name 2-Aminobenzimidazole
CAS Number 934-32-7 Molecular Weight 133.151
Density 1.4±0.1 g/cm3 Boiling Point 368.9±25.0 °C at 760 mmHg
Molecular Formula C7H7N3 Melting Point 226-230 °C(lit.)
MSDS Chinese USA Flash Point 204.6±10.4 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 2-aminobenzimidazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 368.9±25.0 °C at 760 mmHg
Melting Point 226-230 °C(lit.)
Molecular Formula C7H7N3
Molecular Weight 133.151
Flash Point 204.6±10.4 °C
Exact Mass 133.063995
PSA 54.70000
LogP 0.78
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.780

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DD5775000
CHEMICAL NAME :
Benzimidazole, 2-amino-
CAS REGISTRY NUMBER :
934-32-7
BEILSTEIN REFERENCE NO. :
0116525
LAST UPDATED :
199701
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
C7-H7-N3
MOLECULAR WEIGHT :
133.17
WISWESSER LINE NOTATION :
T56 BM DNJ CZ

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 :
LD40 - Lethal Dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
600 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 - mouse
DOSE/DURATION :
100 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 :
126 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
426 mg/kg
SEX/DURATION :
female 8-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetal death

MUTATION DATA

TYPE OF TEST :
DNA repair
TEST SYSTEM :
Bacteria - Escherichia coli
DOSE/DURATION :
2 mg/disc
REFERENCE :
JPFCD2 Journal of Environmental Science and Health, Part B: Pesticides, Food Contaminants, and Agricultural Wastes. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.B11- 1976- Volume(issue)/page/year: 21,319,1986

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H315-H317-H319-H335
Precautionary Statements P261-P280-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xn:Harmful;
Risk Phrases R22;R36/37/38
Safety Phrases S26-S36/37/39-S22
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS DD5775000
HS Code 29339990

 Synthetic Route

 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%

 Articles25

More Articles
Aggregation of 2-aminobenzimidazole--a combined experimental and theoretical investigation.

ChemPhysChem 12(9) , 1747-55, (2011)

An investigation of 2-aminobenzimidazole was carried out by calculations at HF, MP2, and DFT levels of theory and also by UV and IR spectroscopy. The quantum chemical calculations predict a full shift...
Brain-penetrating 2-aminobenzimidazole H(1)-antihistamines for the treatment of insomnia.

Bioorg. Med. Chem. Lett. 19(15) , 4380-4, (2009)

The benzimidazole core of the selective non-brain-penetrating H(1)-antihistamine mizolastine was used to identify a series of brain-penetrating H(1)-antihistamines for the potential treatment of insom...
Chemical biology strategy reveals pathway-selective inhibitor of NF-kappaB activation induced by protein kinase C.

ACS Chem. Biol. 5 , 287-299, (2010)

Dysregulation of NF-kappaB activity contributes to many autoimmune and inflammatory diseases. At least nine pathways for NF-kappaB activation have been identified, most of which converge on the Ikappa...

 Synonyms

usafek-4037
2H-Benzimidazol-2-imine, 1,3-dihydro-
2-aMinobenziMidazde
2-BENZIMIDAZOLAMINE
1,3-Dihydro-2H-benzimidazol-2-imine
UNII-E65DE7521V
2-amino-1H-benzimidazole
MFCD00005596
2-amino-benzimidazol
2-Aminobenzimidazole
EINECS 213-280-6
2-amino-benzimidazole
BenziMidazoloniMide
1H-Benzimidazol-2-amine
benzimidazole-amine
2-BENZIMIDAZOLYLAMINE
AMINO-2-BENZIMIDAZOLE
2-Iminobenzimidazoline
Rabeprazole Impurity 19
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