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二甲基硒

二甲基硒用途

甲烷是一种生物化学试剂,可作为生物材料或有机化合物用于生命科学相关研究。

二甲基硒名称

[ CAS 号 ]:
593-79-3

[ 中文名 ]:
二甲基硒

[ 英文名 ]:
Dimethylselenide

[中文别名 ]:

[英文别名 ]:

dimethyl selenide
Methyl selenide (8CI)
(Methylselanyl)methane
Dimethylselenium
methylselanylmethane
MFCD00014848
EINECS 209-807-4
Dimethylselenide

二甲基硒生物活性

[ 描述 ]:

甲烷是一种生物化学试剂,可作为生物材料或有机化合物用于生命科学相关研究。

[ 相关类别 ]:

研究领域 >> 其他

二甲基硒物理化学性质

[ 密度 ]:
1.408 g/mL at 20 °C(lit.)

[ 沸点 ]:
49.8±9.0 °C at 760 mmHg

[ 分子式 ]:
C₂H₆Se

[ 分子量 ]:
109.029

[ 闪点 ]:
-16.1±18.7 °C

[ 精确质量 ]:
109.963470

[ LogP ]:
0.30

[ 外观性状 ]:
无色液体带有一种令人不愉快的气味

[ 蒸汽压 ]:
307.5±0.1 mmHg at 25°C

[ 折射率 ]:
1.49

[ 储存条件 ]:
2-8°C

[ 稳定性 ]:
Stable. Hydrolyzes in water. Reactions with acid or strong oxidizing agents are dangerous.

[ 水溶解性 ]:
水溶性：微溶

二甲基硒MSDS

二甲基硒毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: VS6880000

CHEMICAL NAME :: Selenide, dimethyl-

CAS REGISTRY NUMBER :: 593-79-3

BEILSTEIN REFERENCE NO. :: 1696848

LAST UPDATED :: 199712

DATA ITEMS CITED :: 26

MOLECULAR FORMULA :: C2-H6-Se

MOLECULAR WEIGHT :: 109.04

WISWESSER LINE NOTATION :: 1-SE-1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2200 mg/kg

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

REFERENCE :: PSEBAA Proceedings of the Society for Experimental Biology and Medicine. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1903/04- Volume(issue)/page/year: 79,230,1952

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2180 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - effect, not otherwise specified

REFERENCE :: ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 45,207,1980

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1800 mg/kg

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

REFERENCE :: PSEBAA Proceedings of the Society for Experimental Biology and Medicine. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1903/04- Volume(issue)/page/year: 79,230,1952 *** REVIEWS *** ACGIH TLV-TWA 0.2 mg(Se)/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: TLV/BEI,1997 TOXICOLOGY REVIEW 85DHAX "Medical and Biologic Effects of Environmental Pollutants Series," Washington, DC, National Academy of Sciences, 1972-77 Volume(issue)/page/year: Se,112,1976 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.2 mg(Se)/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: 3,224,1971 OSHA PEL (Gen Indu):8H TWA 0.2 mg(Se)/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 0.2 mg(Se)/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 0.2 mg(Se)/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 0.2 mg(Se)/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 0.2 mg(Se)/m3 JAN 1993 OEL-AUSTRALIA:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-BELGIUM:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-DENMARK:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-FINLAND:TWA 0.1 mg(Se)/m3;STEL 0.3 mg(Se)/m3 JAN 1993 OEL-GERMANY:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-HUNGARY:STEL 0.1 mg(Se)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-POLAND:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-SWEDEN:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-TURKEY:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.1 mg(Se)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

二甲基硒安全信息

[ 符号 ]:

GHS06, GHS08, GHS09

[ 信号词 ]:
Danger

[ 危害声明 ]:
H301-H331-H373-H410

[ 警示性声明 ]:
P261-P273-P301 + P310-P311-P501

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)

[ 危害码 (欧洲) ]:
T: Toxic;N: Dangerous for the environment;

[ 风险声明 (欧洲) ]:
R23/25

[ 安全声明 (欧洲) ]:
S20/21-S28-S45-S60-S61

[ 危险品运输编码 ]:
UN 3282 6.1/PG 2

[ WGK德国 ]:
3

[ RTECS号 ]:
VS6880000

[ 包装等级 ]:
III

[ 危险类别 ]:
3

二甲基硒合成路线

二甲基硒制备

二、生产方法简介

由元素硒和氢氧化钠、水合肼、氯甲烷和四乙基氧化胺等反应制取。

二甲基硒文献

Quantification of methylated selenium, sulfur, and arsenic in the environment.

PLoS ONE 9(7) , e102906, (2014)

Biomethylation and volatilization of trace elements may contribute to their redistribution in the environment. However, quantification of volatile, methylated species in the environment is complicated...

Gas chromatography with atomic emission detection for dimethylselenide and dimethyldiselenide determination in waters and plant materials using a purge-and-trap preconcentration system.

J. Chromatogr. A. 1095(1-2) , 138-44, (2005)

Dimethylselenide (DMSe) and dimethyldiselenide (DMDSe) were determined in plant and water samples by capillary gas chromatography using microwave induced-plasma atomic emission spectrometry for detect...

Biotransformation of L-selenomethionine and selenite in rat gut contents.

Biol. Trace Elem. Res. 139(2) , 188-96, (2011)

L-selenomethionine (SeMet) and sodium selenite are widely used selenium nutritional supplements with potential benefit in preventing cancer. However, supplementation is not without risks of toxicity i...

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