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Basic Information
CAS No.: 591-97-9
Name: 1-CHLORO-2-BUTENE
Article Data: 35
Molecular Structure:
Molecular Structure of 591-97-9 (1-CHLORO-2-BUTENE)
Formula: C4H7Cl
Molecular Weight: 90.5526
Synonyms: 1-Chloro-2-butene;2-Buten-1-yl chloride;2-Butenyl chloride;Crotyl chloride;a-Chloro-b-butylene;g-Methallyl chloride;g-Methylallyl chloride;
EINECS: 209-739-5
Density: 0.909 g/cm3
Melting Point: -65 °C
Boiling Point: 84.5 °C at 760 mmHg
Flash Point: -12°C
Solubility: 999mg/L(temperature not stated)
Appearance: colourless liquid
Hazard Symbols: FlammableF,CorrosiveC
Risk Codes: 11-22-34
Safety: 16-26-36/37/39-45
Transport Information: UN 2924 3/PG 2
PSA: 0.00000
LogP: 1.80130
Synthetic route
6117-91-5

(E/Z)-2-buten-1-ol

591-97-9

1-chloro-2-butene

Conditions
ConditionsYield
With triphenylphosphine In various solvent(s) at 20℃; for 1h;28%
With hydrogenchloride
With N-chloro-succinimide; dimethylsulfide In dichloromethane
With oxalyl dichloride; Triphenylphosphine oxide In chloroform at 20℃; for 7h;70 %Spectr.
With oxalyl dichloride; chloro(triphenyl)phosphonium chloride In chloroform at 20℃; for 7h; Appel reaction;64 mg
598-32-3

2-hydroxy-3-butene

A

563-52-0

2-chloro-3-butene

B

591-97-9

1-chloro-2-butene

Conditions
ConditionsYield
With hydrogenchloride; water
With bismuth(III) chloride In tetrachloromethane for 0.0833333h; Heating;
563-52-0

2-chloro-3-butene

591-97-9

1-chloro-2-butene

Conditions
ConditionsYield
With water at 85℃;
6117-91-5

(E/Z)-2-buten-1-ol

A

563-52-0

2-chloro-3-butene

B

591-97-9

1-chloro-2-butene

Conditions
ConditionsYield
With hydrogenchloride; water
With bismuth(III) chloride In tetrachloromethane for 0.0833333h; Heating;
96233-06-6

1-Methyl-2-propenyl diphenyl phosphate

A

563-52-0

2-chloro-3-butene

B

591-97-9

1-chloro-2-butene

Conditions
ConditionsYield
With lithium chloride In N,N-dimethyl-formamide for 0.166667h; Ambient temperature; Yield given. Yields of byproduct given;
7647-01-0

hydrogenchloride

106-99-0

buta-1,3-diene

A

563-52-0

2-chloro-3-butene

B

591-97-9

1-chloro-2-butene

7647-01-0

hydrogenchloride

64-19-7

acetic acid

106-99-0

buta-1,3-diene

A

563-52-0

2-chloro-3-butene

B

591-97-9

1-chloro-2-butene

Conditions
ConditionsYield
at 25℃;
at 25℃;
106-98-9

1-butylene

7782-50-5

chlorine

A

563-52-0

2-chloro-3-butene

B

541-33-3

1,1-dichlorobutane

C

51157-81-4

1,1-dichloro-but-2-ene

D

591-97-9

1-chloro-2-butene

Conditions
ConditionsYield
at 380 - 390℃;
7647-01-0

hydrogenchloride

563-52-0

2-chloro-3-butene

591-97-9

1-chloro-2-butene

Conditions
ConditionsYield
reagiert analog mit CuCl, FeCl3;
reagiert analog in Gegenwart von CuCl, FeCl3; Gleichgewichte der Reaktion;
563-52-0

2-chloro-3-butene

591-97-9

1-chloro-2-butene

Conditions
ConditionsYield
at 85℃;
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    Product Name 1-Chloro-2-butene Synonyms 1-Chloro-2-butene;Crotyl chloride C4H7Cl CAS: 591-97-9 MF: C4H7Cl MW: 90.5514 EINECS:

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    1-chloro-2-butene Melting point -65 ° C Boiling point 85-86 °C (lit.) Density 0.923 g/mL at 20 °C (lit.) Refractive index n20/D 1.430 Flash point -12 ° C Storage conditions 0-6 ° C Solubility water: soluble14g/L at

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Chemistry

Chemical Name: 1-Chloro-2-butene
IUPAC NAME: (E)-1-chlorobut-2-ene
CAS No.: 591-97-9
EINECS: 209-739-5
RTECS: EM4264000
RTECS Class: Mutagen
Molecular Formula: : C4H7Cl
Molecular Weight: : 90.55  g/mol
Density: 0.909 g/cm3
Melting Point: -65°C
Boiling Point: 84.5 °C at 760 mmHg
1-CHLORO-2-BUTENE(591-97-9) is stable under normal temperatures and pressures.but incompatible with oxidizing agents.Following is the structure:

                    
The chemical synonymous of 1-CHLORO-2-BUTENE(591-97-9) are (2E)-1-Chloro-2-butene;1-chloro-2-buten;1-chloro-but-2-ene;1-chlorobut-2-ene;2-Butene,1-chloro-;2-Butenyl chloride;2-butenylchloride;alpha-Chloro-beta-butylene.

Uses

1-CHLORO-2-BUTENE(591-97-9) is mainly used in organic synthesis

Toxicity Data With Reference

1.   

mmo-sat 5 µmol/plate

   BCPCA6    Biochemical Pharmacology. 29 (1980),2611.
2.   

dns-hmn:hla 100 µmol/L

   CALEDQ    Cancer Letters (Shannon, Ireland). 20 (1983),263.

Safety Profile

Human mutation data reported. An eye and mucous membrane irritant. When heated to decomposition it emits toxic fumes of Cl. See also CHLORINATED HYDROCARBONS, ALIPHATIC.
Hazard Codes:
    F: Flammable
    C: Corrosive
Risk Statements about 1-CHLORO-2-BUTENE(591-97-9):
    R11 Highly flammable. 
    R22 Harmful if swallowed. 
    R34 Causes burns. 
Safety Statements about 1-CHLORO-2-BUTENE(591-97-9):
    S16 Keep away from sources of ignition - No smoking. 
    S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
    S36/37/39 Wear suitable protective clothing, gloves and eye/face protection. 
    S45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). 

Specification

1. Storage: Keep away from sources of ignition. Store in a tightly closed container. Store in a dry area. Refrigerator/flammables.
2. Handling: All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
3. Personal Protection: Wear appropriate safety goggles, protective clothing and gloves.
4. Fire Fighting: Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Use water spray to cool fire-exposed containers. Use foam, dry chemical, or carbon dioxide.