亚硒酸钠(五水)
亚硒酸钠(五水)用途
亚硒酸钠(五水)名称
[ CAS 号 ]:
26970-82-1
[ 中文名 ]:
亚硒酸钠 五水合物
[ 英文名 ]:
Sodium selenite hydrate (2:1:5)
[中文别名 ]:
[英文别名 ]:
- Selenious acid,disodium salt,pentahydrate
- Sodium selenite pentahydate
- disodium selenite pentahydrate
- Sodium selenite pentahydrate
- MFCD00149173
- EINECS 233-267-9
- sodium selenite hydrate(2:1:5)
- Sodium selenite hydrate (2:1:5)
- UNII-0WV4L961ZV
亚硒酸钠(五水)物理化学性质
[ 熔点 ]:
710ºC (1310 deg F) (decomposes)
[ 分子式 ]:
H10Na2O8Se
[ 分子量 ]:
263.014
[ 精确质量 ]:
263.933624
[ PSA ]:
109.34000
[ 外观性状 ]:
白色晶体
亚硒酸钠(五水)MSDS
亚硒酸钠(五水)毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- VS7420000
- CHEMICAL NAME :
- Selenious acid, disodium salt, pentahydrate
- CAS REGISTRY NUMBER :
- 26970-82-1
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 30
- MOLECULAR FORMULA :
- O3-Se.2Na.5H2-O
- MOLECULAR WEIGHT :
- 332.01
- WISWESSER LINE NOTATION :
- NA2 SE-O3 &QH 5
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 :
- 9 mg/kg
- 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 :
- Intramuscular
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 10070 ug/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 21 mg/kg/10W-C
- TOXIC EFFECTS :
- Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Metabolism (Intermediary) - amino acids (including renal excretion) Biochemical - Metabolism (Intermediary) - other proteins
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 38 mg/kg
- SEX/DURATION :
- female 30 day(s) pre-mating female 1-18 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 10522 ug/kg
- SEX/DURATION :
- female 12 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Newborn - live birth index (measured after birth)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 7155 ug/kg
- SEX/DURATION :
- female 16 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - abortion
MUTATION DATA
- TYPE OF TEST :
- DNA inhibition
- TEST SYSTEM :
- Rodent - mouse Mammary gland
- DOSE/DURATION :
- 5 umol/L
- REFERENCE :
- CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 16,513,1995 *** 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 *** 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
亚硒酸钠(五水)安全信息
[ 符号 ]:
GHS06, GHS09
[ 信号词 ]:
Danger
[ 危害声明 ]:
H300-H317-H331-H411
[ 补充危害声明 ]:
Contact with acids liberates toxic gas.
[ 警示性声明 ]:
P261-P273-P280-P301 + P310 + P330-P304 + P340 + P312-P403 + P233
[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
[ 危害码 (欧洲) ]:
T+:Verytoxic;N:Dangerous for the environment;
[ 风险声明 (欧洲) ]:
R23;R28;R31;R43;R51/53
[ 安全声明 (欧洲) ]:
S28-S36/37-S45-S61
[ 危险品运输编码 ]:
UN 2630 6.1/PG 1
[ WGK德国 ]:
2
[ RTECS号 ]:
VS7420000
亚硒酸钠(五水)制备
制法 用氢氧化钠中和亚硒酸即可生成亚硒酸钠：
2NaOH+H2SeO3＝Na2SeO3+2H2O
按上述化学反应所需的量，将准确量出的不含碳酸盐的氢氧化钠溶液与浓的亚硒酸溶液混合。在室温下将溶液置于无水氯化钙上进行真空蒸发。因这种盐易形成过饱和溶液，在蒸发到最后时可用玻璃棒摩擦器壁以促进结晶析出。为了获取较大的结晶，可将析出的微晶作为晶种加入到饱和溶液中，然后继续蒸发。用玻璃砂芯漏斗将结晶抽干，放在没有干燥剂的保干器中除去附着在结晶表面的水分，即可制得Na2SeO3·5H2O。
亚硒酸钠(五水)文献
Carbohydr. Polym. 92(1) , 645-50, (2013)
Chinese angelica polysaccharide (CAP) was extracted by water decoction and ethanol precipitation, purified through eliminating protein by Sevage method and column chromatography of Sephadex G-200, the...
Oxidation inhibits iron-induced blood coagulation.Curr. Drug Targets 14(1) , 13-9, (2013)
Blood coagulation under physiological conditions is activated by thrombin, which converts soluble plasma fibrinogen (FBG) into an insoluble clot. The structure of the enzymatically-generated clot is v...
Mercuric chloride-induced testicular toxicity in rats and the protective role of sodium selenite and vitamin E.Food Chem. Toxicol. 55 , 456-62, (2013)
Mercury has been recognized as an environmental pollutant that adversely affects male reproductive systems of animals. This study examined the effects of mercuric chloride on the antioxidant system an...
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