2-Hydroxybenzimidazole

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Names

[ CAS No. ]:
615-16-7

[ Name ]:
2-Hydroxybenzimidazole

[Synonym ]:
1H-Benzimidazol-2-ol
EINECS 210-412-4
1,3-Dihydro-2H-benzimidazol-2-one
MFCD00127894
2H-Benzimidazol-2-one, 1,3-dihydro-
2-Hydroxybenzimidazole
Lansoprazole Impurity 4

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
397.4±25.0 °C at 760 mmHg

[ Melting Point ]:
>300 °C(lit.)

[ Molecular Formula ]:
C₇H₆N₂O

[ Molecular Weight ]:
134.14

[ Flash Point ]:
194.2±23.2 °C

[ Exact Mass ]:
134.048019

[ PSA ]:
48.91000

[ LogP ]:
1.45

[ Vapour Pressure ]:
0.0±1.0 mmHg at 25°C

[ Index of Refraction ]:
1.760

[ Water Solubility ]:
insoluble

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DE1625000

CHEMICAL NAME :: 2-Benzimidazolinone

CAS REGISTRY NUMBER :: 615-16-7

LAST UPDATED :: 199709

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C7-H6-N2-O

MOLECULAR WEIGHT :: 134.15

WISWESSER LINE NOTATION :: T56 BNVNJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 620 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 8,42,1958

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S22-S24/25-S37/39

[ WGK Germany ]:
1

[ RTECS ]:
DE1625000

[ HS Code ]:
29339990

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

o-Phenylenediamine
carbon monoxide
2-Nitroaniline
Urea
Carbon dioxide
Benzenecarboximidic acid, 2-amino- (9CI)
N,N-Carbonyldiimidazole
Anthranilic acid
5-iodo-1,3-dimethyl-2,3-dihydrobenzimidazol-2-one
Benzamide,2-amino-N-hydroxy-

DownStream

2-Chloro-5-nitro-1H-1,3-benzimidazole
5,6-dinitro-1,3-dihydrobenzimidazol-2-one
bis(1H-benzimidazol-2-yl) propanedioate
1-(2-Hydroxy-1H-benzimidazol-1-yl)ethanone
5-Nitro-1H-benzo[d]imidazol-2(3H)-one
5,6-Dichloro-1H-benzo[d]imidazol-2(3H)-one
1H-Benzimidazole-1,3(2H)-diaceticacid, 2-oxo-
1,3-Diacetyl-1,3-dihydro-benzoimidazol-2-one
(1-FURAN-2-YL-BUT-3-ENYL)-PHENETHYL-AMINE

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%