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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-Benzimidazoleethanol, 2-(2-(benzimidazolyl)vinyl)- (8CI)
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Purity: 98.0%
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20208-21-3

20208-21-3 structure

20208-21-3 structure

Name: 1-Benzimidazoleethanol, 2-(2-(benzimidazolyl)vinyl)- (8CI)
Chemical Name: 2-[2-[(E)-2-(1H-benzimidazol-2-yl)ethenyl]benzimidazol-1-yl]ethanol
CAS Number: 20208-21-3
Molecular Formula: C₁₈H₁₆N₄O
Molecular Weight: 304.34600
Create Date: 2017-03-12 13:21:42
Modify Date: 2025-09-18 08:15:10

Name	2-[2-[(E)-2-(1H-benzimidazol-2-yl)ethenyl]benzimidazol-1-yl]ethanol
Synonyms	2-(2-(2-Benzimidazolyl)vinyl)-1-benzimidazoleethanol 1-Benzimidazolyl-2-(N-hydroxyethyl)benzimidazolylethylene 1-BENZIMIDAZOLEETHANOL,2-(2-(2-BENZIMIDAZOLYL)VINYL) 1H-Benzimidazole-1-ethanol,2-(2-(1H-benzimidazol-2-yl)ethenyl) 1-Benzimidazoleethanol,2-(2-(benzimidazolyl)vinyl)

Density	1.32g/cm3
Boiling Point	610.1ºC at 760 mmHg
Molecular Formula	C₁₈H₁₆N₄O
Molecular Weight	304.34600
Flash Point	322.8ºC
Exact Mass	304.13200
PSA	66.73000
LogP	3.07530
Vapour Pressure	9.74E-16mmHg at 25°C
Index of Refraction	1.701

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DD8800000

CHEMICAL NAME :: 1-Benzimidazoleethanol, 2-(2-(2-benzimidazolyl)vinyl)-

CAS REGISTRY NUMBER :: 20208-21-3

LAST UPDATED :: 199503

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C18-H16-N4-O

MOLECULAR WEIGHT :: 304.38

WISWESSER LINE NOTATION :: T56 BN DNJ B2Q C1U1- CT56 BM DNJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >2300 mg/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 5,176,1963

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2800 mg/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 5,176,1963

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