Name: trans-1,4-Dichloro-2-butene
SKU: 110-57-6

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Basic Information

Molecular Structure:
CAS No.:	110-57-6
Name:	trans-1,4-Dichloro-2-butene
Article Data:	39

Formula:	C₄H₆Cl₂
Molecular Weight:	124.998
Synonyms:	2-Butene,1,4-dichloro-, (E)- (8CI);2-Butene, 1,4-dichloro-, trans- (5CI);(E)-1,4-Dichloro-2-butene;1,4-Dichloro-trans-2-butene;trans-1,4-Dichlorobuten-2-ene;2-Butene,1,4-dichloro-, (2E)-;
EINECS:	203-779-7
Density:	1.13 g/cm³
Melting Point:	1-3 °C
Boiling Point:	125.5 °C at 760 mmHg
Flash Point:	33.3 °C
Appearance:	clear colorless to light yellow liquid
Hazard Symbols:	T+
Risk Codes:	10-21-25-26-34-39/23/24/25-23/24/25-11-50/53-45-24/25
Safety:	53-23-26-36/37/39-45-36/37-99-61-60
Transport Information:	UN 3390 6.1/PG 1
PSA:	0.00000
LogP:	2.02020

Synthetic route

: 310447-99-5, 310448-01-2
3,4-dichlorobut-1-ene

: 110-57-6
trans-1,4-dichlorobut-2-ene

Conditions

Conditions	Yield
With poly(tetrafluoroethylene); iron oxide nanoparticles; oxygen at 100℃; for 0.5h;	67%
With copper(l) chloride at 175℃;
With aluminium trichloride; iron(III) chloride at -10 - -5℃;

: 106-99-0
buta-1,3-diene

: 110-57-6
trans-1,4-dichlorobut-2-ene

Conditions

Conditions	Yield
With tetrachloromethane; chlorine at -80℃; unter Lichtausschluss;
With pyridine; tetrachloromethane; chlorine at -80℃; unter Lichtausschluss;

: 106-99-0
buta-1,3-diene

A: 110-57-6
trans-1,4-dichlorobut-2-ene

B: 310447-99-5, 310448-01-2
3,4-dichlorobut-1-ene

Conditions

Conditions	Yield
With chlorine at 60 - 75℃; in der Dampfphase;
With chlorine at 60 - 75℃; in verschiedenen Loesungsmitteln unter Kuehlung;
at 25℃; electrolysis; anolyte=CoCl2-MeCN, catholyte=NH4Cl-H2O;

: 106-99-0
buta-1,3-diene

A: 1476-11-5
Z-1,4-dichlorobutene

B: 110-57-6
trans-1,4-dichlorobut-2-ene

C: 310447-99-5, 310448-01-2
3,4-dichlorobut-1-ene

Conditions

Conditions	Yield
With iodine; copper dichloride In benzene at 70℃; for 2h;
With copper dichloride In acetonitrile at 60℃; for 2h;

...Expand

: 764-41-0
1,4-dichloro-2-butene

: 110-57-6
trans-1,4-dichlorobut-2-ene

: 67-56-1
methanol

: 106-99-0
buta-1,3-diene

A: 7795-90-6
4-Chlor-3-methoxy-but-1-en

B: 110-57-6
trans-1,4-dichlorobut-2-ene

C: 310447-99-5, 310448-01-2
3,4-dichlorobut-1-ene

D: 57513-14-1
1-chloro-4-methoxy-2-butene

Conditions

Conditions	Yield
With tert-butylhypochlorite at 0 - 5℃; Further byproducts given;
With tert-butylhypochlorite at -5 - 0℃; Further byproducts given. Title compound not separated from byproducts;

...Expand

: 102776-00-1
trans-1-bromo-4-chloro-2-butene

: 110-57-6
trans-1,4-dichlorobut-2-ene

Conditions

Conditions	Yield
With (C4H9)N(1+)*Cl(1-) In dichloromethane at 0℃; for 24h; Title compound not separated from byproducts;	95 % Chromat.

: 310447-99-5, 310448-01-2
3,4-dichlorobut-1-ene

A: 1476-11-5
Z-1,4-dichlorobutene

B: 110-57-6
trans-1,4-dichlorobut-2-ene

Conditions

Conditions	Yield
With poly(p-xylylene); palladium In toluene at 99.85℃; Product distribution;
With oxygen at 100℃;

: 1476-11-5
Z-1,4-dichlorobutene

: 110-57-6
trans-1,4-dichlorobut-2-ene

Conditions

Conditions	Yield
With maleic anhydride In acetone for 4h; Irradiation; Inert atmosphere;

: 110-57-6
trans-1,4-dichlorobut-2-ene

: 998-40-3
tributylphosphine

: 36288-32-1, 134839-26-2
(E)-but-2-ene-1,4-diylbis(tributylphosphonium) dichloride

Conditions

Conditions	Yield
In 5,5-dimethyl-1,3-cyclohexadiene at 20℃; for 18h; Inert atmosphere; Reflux;	100%

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Chemistry

IUPAC Name: (E)-1,4-Dichlorobut-2-ene
Molecular formula: C₄H₆Cl₂
Molecular Weight: 125
EINECS: 203-779-7
Boiling Point: 125.5 °C at 760 mmHg
Flash Point: 33.3 °C
Index of Refraction: 1.455
Molar Refractivity: 30.02 cm³
Molar Volume: 110.5 cm³
Surface Tension: 25.2 dyne/cm
Density: 1.13 g/cm³
Enthalpy of Vaporization: 34.83 kJ/mol
Vapour Pressure: 14.7 mmHg at 25 °C
storage temp.: 2-8 °C
Appearance: clear colorless to light yellow liquid
Melting Point: 1-3 °C(lit.)
Classification Code of 2-Butylene dichloride (CAS NO.110-57-6): Tumor data
Product Categories: API intermediates; Environmental Standards; Neats; Separate Source Standards; Alkenyl; Halogenated Hydrocarbons; Organic Building Blocks; Alpha Sort; D; DAlphabetic; DIA - DIC; Volatiles/ Semivolatiles

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LC50	inhalation	86ppm/4H (86ppm)	SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS	Annual Meeting of American Industrial Hygiene Association. Vol. -, Pg. -, 1968.

Consensus Reports

IARC Cancer Review: Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 (1987),p. 56.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 15 (1977),p. 149.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory. EPA Extremely Hazardous Substances List.

Safety Profile

A poison by inhalation. Questionable carcinogen with experimental neoplastigenic and tumorigenic data. When heated to decomposition it emits toxic fumes of Cl⁻.
Hazard Codes: T+, Toxic T, F, N
HazardClass: 6.1(a)
Risk Statements:
10: Flammable
11: Highly Flammable
21: Harmful in contact with skin
25: Toxic if swallowed
26: Very Toxic by inhalation
34: Causes burns
45: May cause cancer
39/23/24/25: Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed
23/24/25: Toxic by inhalation, in contact with skin and if swallowed
24/25: Toxic in contact with skin and if swallowed
Safety Statements:
23: Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer)
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
60: This material and/or its container must be disposed of as hazardous waste
61: Avoid release to the environment. Refer to special instructions safety data sheet
36/37: Wear suitable protective clothing and gloves
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
RIDADR: UN 3390 6.1/PG 1
WGK Germany: 3
RTECS: EM4903000
F: 8-21
PackingGroup: II

Specification

2-Butylene dichloride (CAS NO.110-57-6), its Synonyms are 2-Butene, 1,4-dichloro-, (E)- ; 2-Butene, 1,4-dichloro-, trans- ; 1,4-Dichloro-trans-2-butene ; trans-1,4-Dichloro-2-butene ; trans-1,4-Dichlorobutene ; 2-Butene, 1,4-dichloro-, (2E)- .