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硒化钠

硒化钠名称

[ CAS 号 ]:
1313-85-5

[ 中文名 ]:
硒化钠

[ 英文名 ]:
sodium selenide

[英文别名 ]:

EINECS 215-212-0
MFCD00014240
Sodium Selenide

硒化钠物理化学性质

[ 密度 ]:
2.625

[ 熔点 ]:
>875ºC

[ 分子式 ]:
Na₂Se

[ 分子量 ]:
124.94000

[ 精确质量 ]:
125.89600

[ 储存条件 ]:
室温

硒化钠MSDS

详细MSDS(安全技术说明书)

硒化钠毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WE0350000

CHEMICAL NAME :: Sodium selenide

CAS REGISTRY NUMBER :: 1313-85-5

LAST UPDATED :: 199712

DATA ITEMS CITED :: 11

MOLECULAR FORMULA :: Na2-Se

MOLECULAR WEIGHT :: 124.94

WISWESSER LINE NOTATION :: NA2 SE

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 4 mg/kg

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

MUTATION DATA

TYPE OF TEST :: Sister chromatid exchange

TEST SYSTEM :: Rodent - hamster Lung

DOSE/DURATION :: 2 mg/L

REFERENCE :: CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year: 18,109,1983 *** 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 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: 28,179,1941 *** 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

硒化钠安全信息

[ 危害码 (欧洲) ]:
T,N

[ 风险声明 (欧洲) ]:
23/25-33-50/53

[ 安全声明 (欧洲) ]:
20/21-28-45-60-61

[ 危险品运输编码 ]:
UN3134

[ 包装等级 ]:
II

[ 危险类别 ]:
4.3

硒化钠合成路线

详细合成路线

硒化钠上下游产品

硒化钠上游产品

硒化钠下游产品

硒化钠制备

硒化钠是由硒经雕白粉(CH ₂O·NaHSO ₂·2H ₂O)还原而得。金属钠与硒在液态氨中进行反应可制得硒化钠。操作方法也按照该节所述的一切细节来操作。制得的Na2Se是分析纯的。如下图I-12 氢化钠制造装置：

1—氢气瓶；2—钛制塔；3—储气器；4—流速计；

5—玻璃管；6—温度计；7—铁箱；8—热电偶；

9—三通旋塞；10—接缝；11—油封；

12—橡胶塞；13—电动机;14—搅拌器；

15—胶管；16—鼓泡器管；17—冷却管；

18—橡胶塞；19—派热克斯烧瓶；

20—矿物油鼓泡器；21—反应烧瓶加热器；

22—变压器及100V交流电源

硒化钠