Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Crotononitrile
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

4786-20-3

4786-20-3 structure

4786-20-3 structure

Name: crotononitrile
Chemical Name: 2-Butenenitrile
CAS Number: 4786-20-3
Molecular Formula: C₄H₅N
Molecular Weight: 67.089
Catalog: Chemical reagent Organic reagent Cyanide/nitrile
Create Date: 2018-06-20 15:03:27
Modify Date: 2026-07-01 15:15:45

Name	2-Butenenitrile
Synonyms	Crotononitrile (pract) but-2-enenitrile CROTONONITRILE (CIS+TRANS) trans-Crotonitrile 2-BUTENENITRILE crotoniquenitrile CROTONITRILE (CIS- AND TRANS MIXTURE) CROTONONITRILE MIXTURE OF CIS AND TRANS 2-Butenonitrile 1-Propenyl cyanide (2E)-But-2-enenitrile (C)-2-Butenenitrile CROTONITRILE Croton acid nitrile,c&t Crotonique nitrile CROTONIC ACID NITRILE trans-Crotononitrile Crotononitrile mix. cis and trans trans or cis-crotononitrile (2E)-2-Butenenitrile MFCD00001935 trans-1-Cyanoprop-1-ene Crotononitrile, mixture of isomers beta-Methylacrylonitrile CrotononitriL Crotononitrile (cis- and trans- mixture) But-2-Enenitrile 1-Cyano-1-propylene EINECS 225-335-1 cis or trans-crotononitrile 4-3 Crotononitrile 2-Butenenitrile1-cyanopropene,1-propenyl cyanid Crotononitrile, Mixture of cis and trans cis-β-Methylacrylonitrile 2-Butenenitrile, mixture of cis and trans Crotononitrile,c&t 2-Butenenitrile1-cyanopropene 1-CYANOPROPENE crotonicnitrile Crotonnitrile CROTONITRILE (MIXTURE OF CIS AND TRANS & 1-propenyl cyanid Crotononitrile,mixtureofisomers trans-But-2-enonitrile CIS/TRANS-2-BUTENENITRILE 1-propenylcyanide Crotononitrile (cis- and trans- mixture)> Crotononitrile Propenyl cyanide Crotonic nitrile (E)-2-Butenenitrile

Density	0.8±0.1 g/cm3
Boiling Point	120.5±0.0 °C at 760 mmHg
Melting Point	-51.5ºC
Molecular Formula	C₄H₅N
Molecular Weight	67.089
Flash Point	20.0±0.0 °C
Exact Mass	67.042198
PSA	23.79000
LogP	0.71
Vapour Pressure	15.2±0.2 mmHg at 25°C
Index of Refraction	1.418

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GQ6322000

CHEMICAL NAME :: Crotononitrile

CAS REGISTRY NUMBER :: 4786-20-3

LAST UPDATED :: 199710

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C4-H5-N

MOLECULAR WEIGHT :: 67.10

WISWESSER LINE NOTATION :: NC1U2

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 :: 501 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 37(4),10,1972

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 396 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 37(4),10,1972

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 60 mg/kg

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

REFERENCE :: COREAF Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. (Paris, France) V.1-261, 1835-1965. For publisher information, see CRASEV. Volume(issue)/page/year: 153,895,1911

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 272 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 37(4),10,1972

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 230 mg/kg

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

REFERENCE :: COREAF Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. (Paris, France) V.1-261, 1835-1965. For publisher information, see CRASEV. Volume(issue)/page/year: 153,895,1911 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 91 mg/kg/26W-I

TOXIC EFFECTS :: Liver - liver function tests impaired Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 37(4),10,1972

Symbol	GHS02, GHS07
Signal Word	Danger
Hazard Statements	H225-H302-H315-H319-H335
Precautionary Statements	P210-P261-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xn: Harmful;F: Flammable;
Risk Phrases	R16;R26;R36/37/38
Safety Phrases	S16-S26-S36
RIDADR	UN 2924 3/PG 2
WGK Germany	3
RTECS	GQ6322000
Packaging Group	II
Hazard Class	3.1

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