毒理学数据:
1.急性毒性
LC50:5300mg/m3(大鼠吸入,4h)
2.刺激性 暂无资料
3.致突变性 微生物致突变:鼠伤寒沙门菌2500ppm。姐妹染色单体交换:人淋巴细胞3%。哺乳动物体细胞突变:人淋巴细胞5%。程序外DNA合成:大鼠肝1%。显性致死试验:大鼠吸入3000ppm,每天6h,连续5d。
4.致畸性 大鼠孕后7~19d吸入最低中毒剂量(TCLo)1500ppm/6h,致肌肉骨骼系统发育畸形。小鼠孕后6~17d吸入最低中毒剂量(TCLo)500ppm/6h,致心血管系统发育畸形。
5.致癌性 IARC致癌性评论:G3,对人及动物致癌性证据不足。
6.其他 生殖毒:影响睾丸和精原细胞。胚胎发育毒物。LCLo:2000ppm(人吸入,2h)
生态学数据:
1.生态毒性
LC50:270ppm(96h)(月银汉鱼,静态);550ppm(96h)(蓝鳃太阳鱼,静态)
IC50:500~1450mg/L(72h)(藻类)
2.生物降解性 暂无资料
3.非生物降解性 空气中,当羟基自由基浓度为5.00×105个/cm3时,降解半衰期为310d(理论)。
CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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PA6300000
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CHEMICAL NAME :
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Methane, chloro-
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CAS REGISTRY NUMBER :
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74-87-3
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LAST UPDATED :
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199806
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DATA ITEMS CITED :
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70
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MOLECULAR FORMULA :
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C-H3-Cl
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MOLECULAR WEIGHT :
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50.49
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WISWESSER LINE NOTATION :
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G1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
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TYPE OF TEST :
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LCLo - Lowest published lethal concentration
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Human
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DOSE/DURATION :
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20000 ppm/2H
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TOXIC EFFECTS :
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Sense Organs and Special Senses (Eye) - effect, not otherwise specified Behavioral - convulsions or effect on seizure threshold Gastrointestinal - nausea or vomiting
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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1800 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LC50 - Lethal concentration, 50 percent kill
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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5300 mg/m3/4H
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LC50 - Lethal concentration, 50 percent kill
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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2200 ppm/6H
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LCLo - Lowest published lethal concentration
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Mammal - dog
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DOSE/DURATION :
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14661 ppm/6H
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TOXIC EFFECTS :
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Vascular - BP lowering not characterized in autonomic section Lungs, Thorax, or Respiration - respiratory depression Nutritional and Gross Metabolic - body temperature increase
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TYPE OF TEST :
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LCLo - Lowest published lethal concentration
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Mammal - cat
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DOSE/DURATION :
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129 mg/m3/4H
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TOXIC EFFECTS :
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Behavioral - general anesthetic Lungs, Thorax, or Respiration - respiratory depression
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TYPE OF TEST :
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LCLo - Lowest published lethal concentration
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - guinea pig
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DOSE/DURATION :
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20000 ppm/2H
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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3000 ppm/6H/5D-I
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TOXIC EFFECTS :
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Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - changes in testicular weight
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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41 mg/m3/4H/26W-I
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TOXIC EFFECTS :
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Liver - liver function tests impaired Blood - changes in erythrocyte (RBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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150 ppm/22H/11D-C
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TOXIC EFFECTS :
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Behavioral - changes in motor activity (specific assay) Endocrine - changes in thymus weight Related to Chronic Data - death
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Mammal - dog
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DOSE/DURATION :
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500 ppm/24H/3D-C
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TOXIC EFFECTS :
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Brain and Coverings - other degenerative changes Behavioral - tremor Behavioral - ataxia
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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DOSE :
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2000 ppm/6H
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SEX/DURATION :
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male 5 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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DOSE :
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1500 ppm/6H
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SEX/DURATION :
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male 50 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Paternal Effects - testes, epididymis, sperm duct
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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DOSE :
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1500 ppm/6H
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SEX/DURATION :
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female 7-19 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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DOSE :
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3000 ppm/6H
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SEX/DURATION :
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male 5 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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DOSE :
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3000 ppm/6H
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SEX/DURATION :
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male 5 day(s) pre-mating
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TOXIC EFFECTS :
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Reproductive - Fertility - male fertility index (e.g. # males impregnating females per # males exposed to fertile nonpregnant females)
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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DOSE :
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500 ppm/6H
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SEX/DURATION :
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female 6-17 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system
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TYPE OF TEST :
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TCLo - Lowest published toxic concentration
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ROUTE OF EXPOSURE :
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Inhalation
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DOSE :
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750 ppm/6H
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SEX/DURATION :
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female 6-17 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Effects on Embryo or Fetus - fetal death
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TYPE OF TEST :
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Dominant lethal test
MUTATION DATA
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TYPE OF TEST :
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Morphological transformation
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TEST SYSTEM :
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Rodent - hamster Embryo
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REFERENCE :
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EVSRBT Environmental Science Research. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) V.1- 1972- Volume(issue)/page/year: 25,75,1982 *** REVIEWS *** ACGIH TLV-Not classifiable as a 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-STEL 207 mg/m3 (100 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 ACGIH TLV-TWA 103 mg/m3 (50 ppm) 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: 41,161,1986 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: 41,161,1986 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: 7,246,1987 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD:air-CL 100 ppm (210 mg/m3) 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: 3,160,1971 OSHA PEL (Gen Indu):8H TWA 100 ppm;CL 200;Pk 300/5M/3H 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 100 ppm (210 mg/m3) 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 100 ppm (210 mg/m3) 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):CL 100 ppm (210 mg/m3) 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-ARAB Republic of Egypt:TWA 50 ppm (105 mg/m3) JAN 1993 OEL-AUSTRALIA:TWA 50 ppm (105 mg/m3);STEL 100 ppm (205 mg/m3) JAN 1993 OEL-AUSTRIA:TWA 50 ppm (105 mg/m3) JAN 1993 OEL-BELGIUM:TWA 50 ppm (103 mg/m3);STEL 100 ppm (207 mg/m3) JAN 1993 OEL-DENMARK:TWA 50 ppm (105 mg/m3) JAN 1993 OEL-FINLAND:TWA 50 ppm (105 mg/m3);STEL 75 ppm (160 mg/m3) JAN 1993 OEL-FRANCE:TWA 50 ppm (105 mg/m3);STEL 100 ppm (210 mg/m3) JAN 1993 OEL-GERMANY:TWA 50 ppm (105 mg/m3);Carcinogen JAN 1993 OEL-HUNGARY:TWA 20 mg/m3;STEL 40 mg/m3 JAN 1993 OEL-JAPAN:TWA 50 ppm (100 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 50 ppm (105 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 100 ppm (210 mg/m3) JAN 1993 OEL-POLAND:TWA 20 mg/m3 JAN 1993 OEL-RUSSIA:TWA 50 ppm;STEL 5 mg/m3 JAN 1993 OEL-SWEDEN:TWA 50 ppm (100 mg/m3);STEL 100 ppm (200 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 50 ppm (105 mg/m3);STEL 100 ppm (210 mg/m3) JAN 1993 OEL-THAILAND:TWA 100 mg/m3;STEL 200 mg/m3 JAN 1993 OEL-TURKEY:TWA 100 ppm (210 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 50 ppm (105 mg/m3);STEL 100 ppm 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 METHYL CHLORIDE-air:CA lowest feasible concentration 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 - M0421 No. of Facilities: 1937 (estimated) No. of Industries: 32 No. of Occupations: 29 No. of Employees: 8804 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M0421 No. of Facilities: 596 (estimated) No. of Industries: 18 No. of Occupations: 38 No. of Employees: 10003 (estimated) No. of Female Employees: 571 (estimated)
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