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126-99-8

126-99-8 structure
126-99-8 structure

Name chloroprene
Synonyms Chloropren
Chloropreen
1,3-BUTADIENE,2-CHLORO-
Baypren EM1
2-chloro-buta-1,3-diene
2-CHLOROBUTA-1,3-DIENE
Baypren M1
Neoprene AH
2 chloro 1,3 butadiene
MFCD00014928
Chloroprene
Baypren 310
Baypren 110
2-chloro-butadiene
2-CHLORO-1,3-BUTADIENE
CHLOROPENE
2-chloro-1,2-butadiene
Cloroprene
Baypren 216
EINECS 204-818-0
Density 0,958 g/cm3
Boiling Point 59.4ºC at 760mmHg
Molecular Formula C4H5Cl
Molecular Weight 88.53550
Flash Point 11 °C
Exact Mass 88.00800
LogP 1.92490
Index of Refraction 1.445

CHEMICAL IDENTIFICATION

RTECS NUMBER :
EI9625000
CHEMICAL NAME :
1,3-Butadiene, 2-chloro-
CAS REGISTRY NUMBER :
126-99-8
LAST UPDATED :
199712
DATA ITEMS CITED :
78
MOLECULAR FORMULA :
C4-H5-Cl
MOLECULAR WEIGHT :
88.54
WISWESSER LINE NOTATION :
1UYG1U1

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 :
450 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
11800 mg/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - cyanosis
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
146 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2300 mg/m3
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - cyanosis
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
1290 mg/m3/8H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
100 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 - rabbit
DOSE/DURATION :
3870 mg/m3/8H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
96 mg/kg
TOXIC EFFECTS :
Blood - other changes Skin and Appendages - dermatitis, other (after systemic exposure)
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Bird - pigeon
DOSE/DURATION :
13 gm/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 :
9100 ug/kg/26W-I
TOXIC EFFECTS :
Liver - changes in liver weight Endocrine - changes in spleen weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - dehydrogenases
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1680 mg/kg/3W-I
TOXIC EFFECTS :
Liver - hepatitis (hepatocellular necrosis), diffuse Liver - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation, etc.)
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
161 ppm/6H/4W-I
TOXIC EFFECTS :
Liver - changes in liver weight Kidney, Ureter, Bladder - changes in bladder weight 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 :
220 ug/m3/24H/60D-C
TOXIC EFFECTS :
Brain and Coverings - other degenerative changes Liver - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
200 mg/m3/24H/91D-C
TOXIC EFFECTS :
Brain and Coverings - other degenerative changes Gastrointestinal - ulceration or bleeding from large intestine Blood - changes in spleen
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
63 mg/m3/21D-I
TOXIC EFFECTS :
Immunological Including Allergic - decreased immune response
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1260 mg/m3/14D-I
TOXIC EFFECTS :
Endocrine - changes in thymus weight Immunological Including Allergic - decrease in cellular immune response Immunological Including Allergic - decrease in humoral immune response
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
200 mg/m3/24H/91D-C
TOXIC EFFECTS :
Gastrointestinal - ulceration or bleeding from large intestine Blood - changes in spleen Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
42 mg/kg/21D-I
TOXIC EFFECTS :
Immunological Including Allergic - decreased immune response Biochemical - Metabolism (Intermediary) - other proteins
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - hamster
DOSE/DURATION :
162 ppm/6H/4W-I
TOXIC EFFECTS :
Liver - hepatitis (hepatocellular necrosis), zonal Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
9100 ug/kg
SEX/DURATION :
male 26 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1 mg/kg
SEX/DURATION :
female 11-12 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - Central Nervous System
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1 mg/kg
SEX/DURATION :
female 11-12 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1 mg/kg
SEX/DURATION :
female 9-10 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - other developmental abnormalities
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
4 mg/m3/24H
SEX/DURATION :
female 3-4 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetal death
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
4 mg/m3/24H
SEX/DURATION :
female 11-12 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - Central Nervous System
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
10 ppm/4H
SEX/DURATION :
female 3-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
150 ug/m3/24H
SEX/DURATION :
male 19 week(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 :
500 mg/m3/5H
SEX/DURATION :
female 17 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - menstrual cycle changes or disorders
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
500 mg/m3/5H
SEX/DURATION :
female 30 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - ovaries, fallopian tubes
TYPE OF TEST :
Sex chromosome loss and nondisjunction
TYPE OF TEST :
Cytogenetic analysis
TYPE OF TEST :
Cytogenetic analysis
TYPE OF TEST :
Dominant lethal test
TYPE OF TEST :
Micronucleus test
TYPE OF TEST :
Cytogenetic analysis

MUTATION DATA

TYPE OF TEST :
Morphological transformation
TEST SYSTEM :
Rodent - hamster Embryo
REFERENCE :
AETODY Advances in Modern Environmental Toxicology. (Senate Press, Inc., P.O. Box 252, Princeton Junction, NJ 08550) V.1- 1980- Volume(issue)/page/year: 1,241,1980 *** REVIEWS *** ACGIH TLV-TWA 36 mg/m3 (10 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 IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 19,131,1979 IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 19,131,1979 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,160,1987 TOXICOLOGY REVIEW CTOXAO Clinical Toxicology. (New York, NY) V.1-18, 1968-81. For publisher information, see JTCTDW. Volume(issue)/page/year: 13,153,1978 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 25 ppm (90 mg/m3) (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: 3,54,1971 OSHA PEL (Gen Indu):8H TWA 25 ppm (90 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 25 ppm (90 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 25 ppm (90 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 25 ppm (90 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 10 ppm (35 mg/m3);Skin JAN 1993 OEL-BELGIUM:TWA 10 ppm (36 mg/m3);Skin JAN 1993 OEL-DENMARK:STEL 1 ppm (3.6 mg/m3);Skin JAN 1993 OEL-FINLAND:TWA 10 ppm (36 mg/m3);STEL 20 ppm (72 mg/m3);Skin JAN 1993 OEL-FRANCE:TWA 10 ppm (36 mg/m3) JAN 1993 OEL-GERMANY:TWA 10 ppm (36 mg/m3);Skin JAN 1993 OEL-HUNGARY:TWA 10 mg/m3;STEL 30 mg/m3 JAN 1993 OEL-POLAND:TWA 2 mg/m3 JAN 1993 OEL-RUSSIA:STEL 0.05 mg/m3 JAN 1993 OEL-SWEDEN:TWA 10 ppm (35 mg/m3);STEL 15 ppm (60 mg/m3);Skin JAN 1993 OEL-SWITZERLAND:TWA 10 ppm (36 mg/m3);STEL 20 ppm;Skin JAN 1993 OEL-UNITED KINGDOM:TWA 10 ppm (30 mg/m3);Skin JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO beta-CHLOROPRENE-air:CA CL 1 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 18260 No. of Facilities: 3538 (estimated) No. of Industries: 39 No. of Occupations: 26 No. of Employees: 43712 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 18260 No. of Facilities: 1864 (estimated) No. of Industries: 17 No. of Occupations: 21 No. of Employees: 17750 (estimated) No. of Female Employees: 654 (estimated)
Symbol GHS02 GHS06 GHS08
GHS02, GHS06, GHS08
Signal Word Danger
Hazard Statements H225-H301 + H311 + H331-H350-H370
Precautionary Statements P201-P210-P260-P280-P301 + P310-P311
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes F,T
Risk Phrases R10
Safety Phrases S16-S45-S53-S36/37-S7
RIDADR 1993
Packaging Group I
Hazard Class 3.1