二碘甲烷

二碘甲烷用途

【用途一】
用作分析试剂，也用于有机合成
【用途二】
该品为有机合成原料、化学试剂和药品中间体，可用于制造X光造影剂，测定矿物相对密度及折光率，检定吡啶，以及分离矿物等。
【用途三】
显微分析。检定吡啶。测定矿物相对密度及折光率。有机合成。X-射线造影介质。

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二碘甲烷名称

[ CAS 号 ]:
75-11-6

[ 中文名 ]:
二碘甲烷

[ 英文名 ]:
Diiodomethane

[中文别名 ]:

[英文别名 ]:

Diiodmethane
di-iodomethane
methylene diiodide
methane, di-iodo-
CH2I2
Methane, diiodo-
Diodomethane
Mi-gee brand
Methylenjodid
Mi-gee

二碘甲烷物理化学性质

[ 密度 ]:
3.2±0.1 g/cm3

[ 沸点 ]:
182.0±0.0 °C at 760 mmHg

[ 熔点 ]:
6 °C

[ 分子式 ]:
CH₂I₂

[ 分子量 ]:
267.836

[ 闪点 ]:
76.6±13.9 °C

[ 精确质量 ]:
267.824585

[ LogP ]:
2.30

[ 外观性状 ]:
淡黄色或金色液体,带有像氯仿一样的气味

[ 蒸汽密度 ]:
9.25 (vs air)

[ 蒸汽压 ]:
1.1±0.3 mmHg at 25°C

[ 折射率 ]:
1.719

[ 储存条件 ]:
库房通风低温干燥,与氧化剂、食品添加剂分开存放

[ 稳定性 ]:
Stable. Incompatible with strong oxidizing agents, strong bases. Reacts violently with alkali metal salts. May discolour on exposure to light.

[ 水溶解性 ]:
14 g/L (20 ºC)

二碘甲烷MSDS

二碘甲烷毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: PA8575000

CHEMICAL NAME :: Methane, diiodo-

CAS REGISTRY NUMBER :: 75-11-6

LAST UPDATED :: 199710

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C-H2-I2

MOLECULAR WEIGHT :: 267.83

WISWESSER LINE NOTATION :: I1I

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - child

DOSE/DURATION :: 2778 uL/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - acute pulmonary edema

REFERENCE :: AEMED3 Annals of Emergency Medicine. (American College of Emergency Physicians, 1125 Executive Circle, Irving, TX 75038) Volume(issue)/page/year: 19,1171,1990

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 403 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,756,1969

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 467 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,756,1969

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 830 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 4,354,1962 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - A1158 No. of Facilities: 31 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 311 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - A1158 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 42 (estimated)

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二碘甲烷安全信息

[ 危害码 (欧洲) ]:
Xi:Irritant

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S26-S37/39

[ 危险品运输编码 ]:
2810

[ WGK德国 ]:
3

[ RTECS号 ]:
PA8575000

[ 包装等级 ]:
III

[ 危险类别 ]:
6.1

[ 海关编码 ]:
29033080

二碘甲烷合成路线

二碘甲烷上下游产品

二碘甲烷上游产品

二碘甲烷下游产品

二碘甲烷制备

【方法一】
由碘仿与乙酸钠在乙醇中反应。反应后经蒸馏即得二碘甲烷。也可采用下面方法制备。1.碘仿-亚砷酸钠法　首先用三氧化二砷和液碱反应，配制亚砷酸钠，然后由碘仿、亚砷酸钠溶液混合，在搅拌下加热至60-65℃，再加氢氧化钠一步反应制取二碘甲烷。反应产物经水洗、蒸馏、脱色、结晶、分离和干燥，得成品。2.碘仿法　经与醋酸钠作用而得。3.相转移催化合成法　以三乙基苄基氯化铵为催化剂，由二氯甲烷与碘化钠反应而得。

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二碘甲烷海关

[ 海关编码 ]: 29033080

二碘甲烷

二碘甲烷用途

二碘甲烷名称

二碘甲烷物理化学性质

二碘甲烷MSDS

详细MSDS(安全技术说明书)

二碘甲烷毒性和生态

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

二碘甲烷安全信息

二碘甲烷合成路线

详细合成路线

二碘甲烷上下游产品

二碘甲烷上游产品

二碘甲烷下游产品

二碘甲烷制备

二碘甲烷海关

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