1,4-Dichlorobut-2-ene

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Names

[ CAS No. ]:
764-41-0

[ Name ]:
1,4-Dichlorobut-2-ene

[Synonym ]:
EINECS 203-779-7
MFCD00000988
1,4-Dichlorbut-2-en
trans-1,4-dichloro-2-butene
1,4-Dichlorobut-2-ene
but-2-ene, 1,4-dichloro-
1,4-Dichloro-2-butene
2-Butene, 1,4-dichloro-
2-Butylene dichloride

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
155.5±0.0 °C at 760 mmHg

[ Melting Point ]:
1-3 °C(lit.)

[ Molecular Formula ]:
C4H6Cl2

[ Molecular Weight ]:
124.996

[ Flash Point ]:
54.4±0.0 °C

[ Exact Mass ]:
123.984657

[ LogP ]:
1.97

[ Vapour Pressure ]:
3.9±0.2 mmHg at 25°C

[ Index of Refraction ]:
1.459

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
EM4900000
CHEMICAL NAME :
2-Butene, 1,4-dichloro-
CAS REGISTRY NUMBER :
764-41-0
LAST UPDATED :
199806
DATA ITEMS CITED :
25
MOLECULAR FORMULA :
C4-H6-Cl2
MOLECULAR WEIGHT :
125.00
WISWESSER LINE NOTATION :
G2U2G

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 :
89 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
62 ppm/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
190 mg/kg
TOXIC EFFECTS :
Behavioral - muscle weakness Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
920 mg/m3
TOXIC EFFECTS :
Behavioral - muscle weakness Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
620 uL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
18200 ug/kg/26W-I
TOXIC EFFECTS :
Liver - liver function tests impaired Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
10900 ppb/6H/2W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Blood - changes in spleen Nutritional and Gross Metabolic - weight loss or decreased weight gain
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
8700 ug/m3/17W-I
TOXIC EFFECTS :
Brain and Coverings - recordings from specific areas of CNS Liver - other changes
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1 ppm/6H/82W-I
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors
TYPE OF TEST :
TC - Toxic concentration (other than lowest)
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
100 ppb/6H/82W-I
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
750 ug/kg
SEX/DURATION :
male 75 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
5 ppm/6H
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
Sex chromosome loss and nondisjunction

MUTATION DATA

TEST SYSTEM :
Rodent - rat
DOSE/DURATION :
1700 ug/m3/30D (Intermittent)
REFERENCE :
ZKMAAX Zhurnal Eksperimental'noi i Klinicheskoi Meditsiny. Journal of Experimental and Clinical Medicine. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1962- Volume(issue)/page/year: 25,335,1985 *** REVIEWS *** ACGIH TLV-Suspected human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 0.025 mg/m3 (0.005 ppm) (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-GERMANY;Carcinogen JAN 1993 OEL-RUSSIA:STEL 0.1 mg/m3;Skin JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84000 No. of Facilities: 5 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 20 (estimated)

Safety Information

[ Hazard Codes ]:
T+: Very toxic;N: Dangerous for the environment;

[ Risk Phrases ]:
R10;R21;R25;R26;R34

[ Safety Phrases ]:
S53-S23-S26-S36/37/39-S45-S61-S60

[ RIDADR ]:
UN 3390 6.1/PG 1

[ WGK Germany ]:
3

[ RTECS ]:
EM4903000

[ Packaging Group ]:
II

[ Hazard Class ]:
6.1(a)

Synthetic Route

Precursor & DownStream

Precursor

  • 2-BUTENE-1,4-DIOL
  • butadiene
  • ALLYL CHLORIDE
  • Ethanol
  • carbon monoxide
  • 3,4-dichlorobut-1-ene
  • 3-Oxolene
  • Chlorine
  • trans-1,4-Dichlorobutene
  • N-(1-ethoxycarbonyl-propen-2-yl)urea

DownStream

  • butylmethyldichlorosilane
  • 1,4-bis(prop-2-enoxy)but-2-ene
  • 1-buten-3-yne
  • 1,2,2,3,4-pentachlorobutane
  • pent-4-en-2-yn-1-ol
  • 1-(1-acetyl-2-ethenylcyclopropyl)ethanone
  • 1-(2-ethenyl-5-methyl-2,3-dihydrofuran-4-yl)ethanone
  • 3-but-3-enylidene-pentane-2,4-dione
  • 1-(1-acetylcyclopent-3-en-1-yl)ethanone
  • 4-diphenylphosphanylbut-2-ynyl(diphenyl)phosphane

Related Compounds

  • (2Z)-1,4-Dichlorobut-2-ene
  • (2E)-1,4-dichlorobut-2-ene
  • 2,3-dibromo-1,4-dichlorobut-2-ene
  • (E)-2,3-Dibromo-1,4-dichlorobut-2-ene
  • (E)-2-(Phenylthio)-3-bromo-1,4-dichlorobut-2-ene
  • (E)-2-(Phenylseleno)-3-bromo-1,4-dichlorobut-2-ene