Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2H-1-Benzopyran-3-carbonitrile
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

57543-66-5

57543-66-5 structure

Name: 2H-1-Benzopyran-3-carbonitrile
Chemical Name: 2h-chromene-3-carbonitrile
CAS Number: 57543-66-5
Molecular Formula: C₁₀H₇NO
Molecular Weight: 157.16900
Create Date: 2018-06-08 23:03:52
Modify Date: 2025-08-25 08:25:10

Name	2h-chromene-3-carbonitrile
Synonyms	2H-Chromen-3-carbonitril 2H-1-BENZOPYRAN-3-CARBONITRILE 3-cyanochromene 3-cyano-2H-chromene

Density	1.2g/cm3
Boiling Point	305.8ºC at 760 mmHg
Molecular Formula	C₁₀H₇NO
Molecular Weight	157.16900
Flash Point	128.9ºC
Exact Mass	157.05300
PSA	33.02000
LogP	1.98598
Index of Refraction	1.602

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DJ2170000

CHEMICAL NAME :: 2H-1-Benzopyran-3-carbonitrile

CAS REGISTRY NUMBER :: 57543-66-5

BEILSTEIN REFERENCE NO. :: 0125853

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C10-H7-N-O

MOLECULAR WEIGHT :: 157.18

WISWESSER LINE NOTATION :: T66 BO CHJ DCN

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 900 mg/kg

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

REFERENCE :: EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 11,81,1976

Hazard Codes	Xn

90-02-8

107-13-1

~82%

57543-66-5

Literature: Song, Song; Zhu, Shou-Fei; Pu, Liu-Yang; Zhou, Qi-Lin Angewandte Chemie - International Edition, 2013 , vol. 52, # 23 p. 6072 - 6075 Angew. Chem., 2013 , vol. 125, # 23 p. 6188 - 6191

89-95-2

107-13-1

~78%

57543-66-5

Literature: Ravichandran Synthetic Communications, 2001 , vol. 31, # 8 p. 1233 - 1235

90-02-8

57543-66-5

Literature: Taylor; Tomlinson Journal of the Chemical Society, 1950 , p. 2724

Precursor 3
90-02-8 107-13-1 89-95-2
DownStream 10
36044-49-2 51593-70-5 22649-28-1 76727-28-1
10185-46-3 115822-57-6 19090-04-1 115822-58-7
115822-61-2 115822-64-5

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