1,4-Dichlorobut-2-ene
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)