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2-Butenenitrile

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Origin: China

Cas No: 4786-20-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 4786-20-3 Formula: C4H5N Molecular Weight: 67.08920

Basic Info

Chemical Name	2-Butenenitrile
Synonyms	Crotononitrile (pract); But-2-Enenitrile; Crotononitrile;
CAS No.	4786-20-3
Molecular Formula	C4H5N
Molecular Weight	67.08920
PSA	23.79000
LogP	1.08608

Properties

Appearance & Physical State	Clear light yellow liquid
Density	0.824
Boiling Point	120.5ºC at 760mmHg
Melting Point	-51.5ºC
Flash Point	16ºC
Refractive Index	1.419
Storage Condition	Flammables area

Safety Info

RTECS	GQ6322000
Hazard Class	3.1
Safety Statements	16-26-36
Packing Group	II
WGK Germany	3
RIDADR	UN 2924
Risk Statements	R16; R26; R36/37/38
Hazard Codes	Xn; F

Synthesis Route

cis-but-2-ene+Cyanogen→(Z)-2-Butenenitrile+2-Butenenitrile
pyridine+acetaldehyde→4-methylpiperidine-2,6-dione+(Z)-2-Butenenitrile
N-tert-butyl-(E)-crotonaldimine→1H-pyrrole+2-Butenenitrile

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	BPX-5	30.	661.	isothermal
Capillary	BPX-5	30.	664.	isothermal
Capillary	CP Sil 5 CB	20.	619.8	isothermal
Capillary	CP Sil 5 CB	20.	647.2	isothermal
Capillary	PoraPLOT Q	100.	624.	isothermal

Precursor

2-Butenal, oxime
3-ethylsulfanylbutanenitrile
3-Butenenitrile
(2S)-2-((((1-cyanopropan-2-yl)oxy)carbonyl)amino)-6-((2,4-dinitrophenyl)amino)hexanoic acid

Downstream Product

2-butenoic acid
2,3-diethylbutanedinitrile
2,3-dibromobutanoic acid
2-Aminobutanenitrile

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