毒理学数据:
1.急性毒性
LD50:698mg/kg(大鼠经口);316mg/kg(小鼠经口);240mg/kg(兔经口)
LC50:8354mg/m3;4540ppm(大鼠吸入,6h);4725ppm(小鼠吸入,2h)
2.刺激性 家兔经眼:50mg(5min),引起刺激。
3.亚急性与慢性毒性 大鼠接触2~4mg/m3,3周,每天3h,见大脑皮质活动障碍;2~7mg/m3,7个月,每天3h,每周6d,引起可逆性机能障碍和肺、肝、肾轻度损害。
4.致突变性 细胞遗传学分析:大鼠吸入50μg/m3。姐妹染色单体交换:仓鼠卵巢500μmol/L
生态学数据:
1.生态毒性
LC50:30~50mg/L(24h)(黑斑须雅罗鱼);120mg/L(96h)(虹鳟鱼);210mg/L(96h)(孔雀鱼)
EC50:9mg/L(96h)(绿藻);30mg/L(96h)(单细胞绿藻);26.8mg/L(15min)(发光菌,Microtox毒性测试)
2.生物降解性
好氧生物降解(h):2~79
厌氧生物降解(h):8~316
3.非生物降解性
空气中光氧化半衰期(h):0.892~9.2
CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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IP8750000
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CHEMICAL NAME :
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Dimethylamine
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CAS REGISTRY NUMBER :
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124-40-3
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LAST UPDATED :
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199712
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DATA ITEMS CITED :
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56
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MOLECULAR FORMULA :
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C2-H7-N
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MOLECULAR WEIGHT :
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45.10
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WISWESSER LINE NOTATION :
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1M1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
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TYPE OF TEST :
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Standard Draize test
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ROUTE OF EXPOSURE :
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Administration into the eye
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SPECIES OBSERVED :
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Rodent - rabbit
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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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698 mg/kg
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TOXIC EFFECTS :
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Behavioral - excitement Behavioral - muscle weakness Gastrointestinal - ulceration or bleeding from stomach
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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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4540 ppm/6H
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TOXIC EFFECTS :
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Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Sense Organs and Special Senses (Eye) - effect, not otherwise specified Lungs, Thorax, or Respiration - dyspnea
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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 - mouse
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DOSE/DURATION :
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316 mg/kg
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TOXIC EFFECTS :
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Behavioral - excitement Behavioral - muscle weakness Gastrointestinal - ulceration or bleeding from stomach
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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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4725 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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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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736 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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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 - rabbit
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DOSE/DURATION :
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240 mg/kg
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TOXIC EFFECTS :
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Behavioral - excitement Behavioral - muscle weakness Gastrointestinal - ulceration or bleeding from stomach
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TYPE OF TEST :
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LDLo - Lowest published lethal dose
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ROUTE OF EXPOSURE :
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Intravenous
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SPECIES OBSERVED :
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Rodent - rabbit
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DOSE/DURATION :
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4 gm/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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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 - guinea pig
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DOSE/DURATION :
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240 mg/kg
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TOXIC EFFECTS :
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Behavioral - excitement Behavioral - muscle weakness Gastrointestinal - ulceration or bleeding from stomach
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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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Mammal - species unspecified
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DOSE/DURATION :
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3700 mg/m3
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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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Oral
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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85 mg/kg/35W-I
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TOXIC EFFECTS :
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Behavioral - alteration of classical conditioning Liver - changes in liver weight Immunological Including Allergic - decrease in cellular immune response
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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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Oral
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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37128 gm/kg/39W-C
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TOXIC EFFECTS :
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Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation, etc.)
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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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175 ppm/6H/1Y-I
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TOXIC EFFECTS :
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Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases
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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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175 ppm/6H/9D-I
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TOXIC EFFECTS :
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Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified
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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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175 ppm/6H/2Y-I
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TOXIC EFFECTS :
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Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Nutritional and Gross Metabolic - weight loss or decreased weight gain
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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 - mouse
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DOSE/DURATION :
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175 ppm/6H/1Y-I
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TOXIC EFFECTS :
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Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) 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 :
-
175 ppm/6H/2Y-I
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TOXIC EFFECTS :
-
Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Nutritional and Gross Metabolic - weight loss or decreased weight gain
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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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Oral
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SPECIES OBSERVED :
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Rodent - guinea pig
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DOSE/DURATION :
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850 mg/kg/35W-I
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TOXIC EFFECTS :
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Liver - changes in liver weight Kidney, Ureter, Bladder - other changes in urine composition Endocrine - other changes
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TYPE OF TEST :
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Cytogenetic analysis
MUTATION DATA
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TYPE OF TEST :
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Sister chromatid exchange
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TEST SYSTEM :
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Rodent - hamster Ovary
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REFERENCE :
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MOTOEX Molecular Toxicology. (Taylor & Francis, Inc., 242 Cherry St., Philadelphia, PA USA 19106) V.1- 1987- Volume(issue)/page/year: 1,217,1987 *** 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 27.6 mg/m3 (15 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 ACGIH TLV-TWA 9.2 mg/m3 (5 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 TOXICOLOGY REVIEW CHREAY Chemical Reviews. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) V.1- 1924- Volume(issue)/page/year: 9,389,1931 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 10 ppm (18 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: 3,88,1971 OSHA PEL (Gen Indu):8H TWA 10 ppm (18 mg/m3) 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 10 ppm (18 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 10 ppm (18 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):8H TWA 10 ppm (18 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-AUSTRALIA:TWA 10 ppm (18 mg/m3) JAN 1993 OEL-BELGIUM:TWA 10 ppm (18 mg/m3) JAN 1993 OEL-DENMARK:TWA 10 ppm (18 mg/m3) JAN 1993 OEL-FINLAND:STEL 10 ppm (18 mg/m3);Skin JAN 1993 OEL-FRANCE:STEL 10 ppm (18 mg/m3) JAN 1993 OEL-GERMANY:TWA 10 ppm (18 mg/m3) JAN 1993 OEL-HUNGARY:TWA 1 mg/m3;STEL 2 mg/m3;Skin JAN 1993 OEL-JAPAN:TWA 10 ppm (18 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 10 ppm (18 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 10 ppm (18 mg/m3) JAN 1993 OEL-RUSSIA:TWA 10 ppm;STEL 1 mg/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 10 ppm (18 mg/m3);STEL 20 ppm (36 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 10 ppm (18 mg/m3) 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 DIMETHYLAMINE-air:10H TWA 10 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 - 26130 No. of Facilities: 291 (estimated) No. of Industries: 13 No. of Occupations: 16 No. of Employees: 3174 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1555 No. of Facilities: 32 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 65 (estimated) No. of Female Employees: 65 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 26130 No. of Facilities: 1406 (estimated) No. of Industries: 22 No. of Occupations: 42 No. of Employees: 28879 (estimated) No. of Female Employees: 2001 (estimated)
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