| 中文名 |
碘仿
|
| 英文名 |
iodoform
|
| 中文别名 |
IPG干胶条
三碘甲烷
|
| 英文别名 |
carbon triiodide
Iodoform (JP15/USP)
Iodoform
Trijodmethane [Czech]
Jodoform
CHI3
Dezinfekt V
Jodoform [Czech]
MFCD00001069
Methane,triiodo
triiodomethane
Trijod-methan
EINECS 200-874-5
|
| 密度 |
3.9±0.1 g/cm3
|
| 沸点 |
250.7±8.0 °C at 760 mmHg
|
| 熔点 |
119 °C
|
| 分子式 |
CHI3
|
| 分子量 |
393.732
|
| 闪点 |
129.0±13.9 °C
|
| 精确质量 |
393.721191
|
| LogP |
3.51
|
| 外观性状 |
黄色粉末或晶体
|
| 蒸汽压 |
0.0±0.5 mmHg at 25°C
|
| 折射率 |
1.851
|
| 储存条件 |
储存注意事项储存于阴凉、通风的库房。远离火种、热源。避免光照。包装密封。应与氧化剂、碱类、碱金属、食用化学品分开存放,切忌混储。储区应备有合适的材料收容泄漏物。
|
| 稳定性 |
1.稳定性 稳定
2.禁配物 强氧化剂、强碱、碱金属、汞及其化合物
3.避免接触的条件 光照、受热、摩擦、撞击
4.聚合危害 不聚合
5.分解产物 碘化氢
|
| 水溶解性 |
Insoluble.
|
| 分子结构 |
1、摩尔折射率:45.54
2、摩尔体积(cm3/mol):101.8
3、等张比容(90.2K):291.2
4、表面张力(dyne/cm):66.7
5、极化率(10-24cm3):18.05
|
| 计算化学 |
1.疏水参数计算参考值(XlogP):2.7
2.氢键供体数量:0
3.氢键受体数量:0
4.可旋转化学键数量:0
5.互变异构体数量:无
6.拓扑分子极性表面积0
7.重原子数量:4
8.表面电荷:0
9.复杂度:8
10.同位素原子数量:0
11.确定原子立构中心数量:0
12.不确定原子立构中心数量:0
13.确定化学键立构中心数量:0
14.不确定化学键立构中心数量:0
15.共价键单元数量:1
|
| 更多 |
1.性状:黄色粉末或晶体,有不愉快的气味。
2.熔点(℃):115~120
3.沸点(℃):218
4.相对密度(水=1):4.01
5.相对蒸气密度(空气=1):13.0
6.辛醇/水分配系数:3.03
7.溶解性:微溶于水,溶于苯、乙醚、丙酮。
8.晶相标准声称热(焓)( kJ·mol-1):141.0
9.气相标准声称热(焓)( kJ·mol-1) :210.9
10.气相标准熵(J·mol-1·K-1) :355.62
11.气相标准生成自由能( kJ·mol-1):178.0
12.气相标准热熔(J·mol-1·K-1):75.07
|
2、对环境的影响
该物质对环境可能有危害,应注意对大气的污染。
一、健康危害
侵入途径:吸入、食入、经皮吸收。
健康危害;对呼吸道有刺激性,吸入后出现咳嗽、呼吸困难、胸痛,重者发生肺水肿。高浓度接触可引起神经系统改变,出现精神错乱、兴奋、头痛、幻觉、共济失调等。对眼有刺激性。口服灼伤口腔和胃,出现中枢神经系统抑制及心、肝、肾损害。慢性影响:皮肤长期接触可至湿疹;有时引起全身瓜,如发热、皮疹等。可致肝、肾损害。
二、毒理学资料及环境行为
毒性:属中等毒类。
急性毒性:LD50355mg/kg(大鼠经口);1184mg/kg(兔经皮);LC502657mg/m3,7小时(小鼠吸入)
特殊毒性:Ames试验鼠伤寒沙门氏菌阴性。
危险特性:不燃。与锂、钾钠合金接触剧烈反应。本品较不稳定,在空气与阳光照射下容易分解出游离碘能刺激眼睛和呼吸道,并灼伤皮肤。
燃烧(分解)产物:一氧化碳、二氧化碳、碘化氢。
3、现场应急监测方法
4、实验室监测方法
药物制剂中三碘甲烷的定量测定[刊,乌克兰]/Listov S.A.;Bogrdanova V.N.//фарм.ж.(Киев).-1986,(3).-44~46 《分析化学文摘 》1988.5.
5、环境标准
美国 车间卫生标准 10mg/m3
嗅觉阈浓度 0.37ppb
6.应急处理处置方法
一、泄漏应急处理
隔离泄漏污染区,限制出入。切断火源。建议应急处理人员戴自给式呼吸器,穿一般作业工作服。小量泄漏:避免扬尘,小心扫起,置于袋中转移至安全场所。大量泄漏:用塑料布、帆布覆盖,减少飞散。然后收集、回收或运至废物处理场所处置。
二、防护措施
呼吸系统防护:可能接触其粉尘时,应该佩带自吸过滤式防尘口罩。紧急事态抢救或撤离时,建议佩戴自给式呼吸器。
眼睛防护:戴安全防护眼镜。
身体防护:穿透气型防毒服。
手防护:戴防化学品手套。
其它:工作现场禁止吸烟、进食和饮水。工作毕,沐浴更衣。单独存放被毒物污染的衣服。洗后备用。注意个人清洁卫生。
三、急救措施
皮肤接触:脱去被污染的衣着,用肥皂水和清水彻底冲洗皮肤。就医。
眼睛接触:提起眼睑,用流动清水或生理盐水冲洗,就医。
吸入:迅速脱离现场至空气新鲜处。保持呼吸道通畅。如呼吸困难,给输氧。如呼吸停止,立即进行人工呼吸。就医。
食入:饮足量温水,催吐,就医。
灭火方法:消防人员须佩戴防毒面具、穿全身消防服。灭火剂:雾状水、泡沫、二氧化碳、砂土。
|
毒理学数据:
1.急性毒性
LD50:355mg/kg(大鼠经口);1184mg/kg(兔经皮)
LC50:2657mg/m3(小鼠吸入,7h)
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67μg/皿。仓鼠胚胎程序外DNA合成和姐妹染色体交换:1mg/L。
生态学数据:
1.生态毒性 LC50:2.92mg/L(96h)(黑头呆鱼,动态)
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55d(理论)。
4.其他有害作用 该物质对环境有危害,应注意对大气的污染。
CHEMICAL IDENTIFICATION
-
RTECS NUMBER :
-
PB7000000
-
CHEMICAL NAME :
-
Methane, triiodo-
-
CAS REGISTRY NUMBER :
-
75-47-8
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LAST UPDATED :
-
199801
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DATA ITEMS CITED :
-
34
-
MOLECULAR FORMULA :
-
C-H-I3
-
MOLECULAR WEIGHT :
-
393.72
-
WISWESSER LINE NOTATION :
-
IYII
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
-
TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
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DOSE/DURATION :
-
355 mg/kg
-
TOXIC EFFECTS :
-
Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea
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TYPE OF TEST :
-
LC50 - Lethal concentration, 50 percent kill
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ROUTE OF EXPOSURE :
-
Inhalation
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SPECIES OBSERVED :
-
Rodent - rat
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DOSE/DURATION :
-
165 ppm/7H
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TOXIC EFFECTS :
-
Lungs, Thorax, or Respiration - respiratory stimulation
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TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
-
Administration onto the skin
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SPECIES OBSERVED :
-
Rodent - rat
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DOSE/DURATION :
-
1184 mg/kg
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TOXIC EFFECTS :
-
Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea
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TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
-
Oral
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SPECIES OBSERVED :
-
Rodent - mouse
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DOSE/DURATION :
-
470 mg/kg
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TOXIC EFFECTS :
-
Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
-
Subcutaneous
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SPECIES OBSERVED :
-
Rodent - mouse
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DOSE/DURATION :
-
630 mg/kg
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TOXIC EFFECTS :
-
Behavioral - antipsychotic Vascular - other changes Lungs, Thorax, or Respiration - other changes
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TYPE OF TEST :
-
LDLo - Lowest published lethal dose
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ROUTE OF EXPOSURE :
-
Oral
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SPECIES OBSERVED :
-
Mammal - dog
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DOSE/DURATION :
-
10 gm/kg
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TOXIC EFFECTS :
-
Behavioral - tremor Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - dyspnea
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TYPE OF TEST :
-
LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
-
Oral
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SPECIES OBSERVED :
-
Rodent - rabbit
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DOSE/DURATION :
-
450 mg/kg
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TOXIC EFFECTS :
-
Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea
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TYPE OF TEST :
-
LDLo - Lowest published lethal dose
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ROUTE OF EXPOSURE :
-
Subcutaneous
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SPECIES OBSERVED :
-
Rodent - rabbit
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DOSE/DURATION :
-
500 mg/kg
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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
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SPECIES OBSERVED :
-
Rodent - guinea pig
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DOSE/DURATION :
-
487 mg/kg
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TOXIC EFFECTS :
-
Behavioral - altered sleep time (including change in righting reflex) Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea
-
TYPE OF TEST :
-
LDLo - Lowest published lethal dose
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ROUTE OF EXPOSURE :
-
Unreported
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SPECIES OBSERVED :
-
Amphibian - frog
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DOSE/DURATION :
-
606 mg/kg
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TOXIC EFFECTS :
-
Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
-
LDLo - Lowest published lethal dose
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ROUTE OF EXPOSURE :
-
Oral
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SPECIES OBSERVED :
-
Mammal - species unspecified
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DOSE/DURATION :
-
1 gm/kg
-
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
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SPECIES OBSERVED :
-
Mammal - species unspecified
-
DOSE/DURATION :
-
1500 mg/kg
-
TOXIC EFFECTS :
-
Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
875 mg/kg/35D-I
-
TOXIC EFFECTS :
-
Liver - changes in liver weight Blood - changes in erythrocyte (RBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - multiple enzyme effects
-
TYPE OF TEST :
-
TDLo - Lowest published toxic dose
-
ROUTE OF EXPOSURE :
-
Oral
-
SPECIES OBSERVED :
-
Rodent - rat
-
DOSE/DURATION :
-
2166 mg/kg/61D-I
-
TOXIC EFFECTS :
-
Liver - other changes
MUTATION DATA
-
TYPE OF TEST :
-
Sister chromatid exchange
-
TEST SYSTEM :
-
Rodent - hamster Embryo
-
REFERENCE :
-
SHIGAZ Shigaku. Ondotology. (Nippon Shika Daigaku Shigakkai, 1-9-20 Fujimi, Chiyodaku, Tokyo 102, Japan) V.38- 1949- Volume(issue)/page/year: 74,1385,1987 *** REVIEWS *** ACGIH TLV-TWA 10 mg/m3 (0.6 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.6 ppm (10 mg/m3) JAN 1993 OEL-BELGIUM:TWA 0.6 ppm (10 mg/m3) JAN 1993 OEL-DENMARK:TWA 0.2 ppm (3 mg/m3) JAN 1993 OEL-FINLAND:TWA 0.2 ppm (3 mg/m3);STEL 0.6 ppm (10 mg/m3);Skin JAN 1993 OEL-FRANCE:TWA 0.6 ppm (10 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 0.2 ppm (3 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 0.6 ppm (10 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 0.6 ppm (10 mg/m3);STEL 1 ppm (20 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 IODOFORM-air:10H TWA 0.6 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 - 84474 No. of Facilities: 390 (estimated) No. of Industries: 2 No. of Occupations: 5 No. of Employees: 1882 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84474 No. of Facilities: 510 (estimated) No. of Industries: 4 No. of Occupations: 12 No. of Employees: 22584 (estimated) No. of Female Employees: 20381 (estimated)
|
【方法一】
由丙酮(或乙醇)经卤化、水解而得。先将水、碘化钠及丙酮加入反应锅,加冰降温至10℃。搅拌下缓缓加入次氯酸钠,直至不产生浑浊即达终点,控制温度不超过20℃。静置1h,吸去上层清液,取出碘仿层过滤。滤饼用水洗至中性,再用蒸馏水洗至无氯根为止。然后将其他35-40℃干燥,即得成品。此外,由氯仿与碘甲烷反应也可制备该品。
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