硒酸钠(十水)

硒酸钠(十水)用途

【用途一】
用作分析试剂及园艺杀虫剂
【用途二】
作食品强化剂。可用于花茶，最大使用量为1.0g/kg。
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硒酸钠(十水)名称

[ CAS 号 ]:
10102-23-5

[ 中文名 ]:
硒酸钠十水合物

[ 英文名 ]:
Sodium selenate decahydrate

[中文别名 ]:

[英文别名 ]:

硒酸钠(十水)物理化学性质

[ 密度 ]:
1.6 g/mL at 25 °C

[ 熔点 ]:
35 °C (dec.)(lit.)

[ 分子式 ]:
H20Na2O14Se

[ 分子量 ]:
369.09000

[ 精确质量 ]:
369.98100

[ PSA ]:
172.56000

[ 外观性状 ]:
白色晶体

硒酸钠(十水)MSDS

详细MSDS(安全技术说明书)

硒酸钠(十水)毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VS6720000
CHEMICAL NAME :
Selenic acid, disodium salt, decahydrate
CAS REGISTRY NUMBER :
10102-23-5
LAST UPDATED :
199712
DATA ITEMS CITED :
23
MOLECULAR FORMULA :
O4-Se.2Na.10H2-O
MOLECULAR WEIGHT :
369.14

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 :
18 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
COREAF Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. (Paris, France) V.1-261, 1835-1965. For publisher information, see CRASEV. Volume(issue)/page/year: 257,791,1963 *** 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
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硒酸钠(十水)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 ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges

[ 危害码 (欧洲) ]:
T:Toxic;N:Dangerousfortheenvironment;

[ 风险声明 (欧洲) ]:
R23/25;R33;R50/53

[ 安全声明 (欧洲) ]:
S20/21-S28-S45-S60-S61

[ 危险品运输编码 ]:
UN 2630 6.1/PG 1

[ WGK德国 ]:
3

[ RTECS号 ]:
VS6720000

[ 包装等级 ]:
I

[ 危险类别 ]:
6.1

硒酸钠(十水)制备

1.将浓缩后的硒酸钠溶液冷却至室温以下(10～15℃)进行结晶，此时形成的结晶即为十水硒酸钠结晶。此结晶在32℃以上即会脱水，所以应保存在较低的温度下。

2.先用双氧水把二氧化硒氧化成硒酸，然后再用无水碳酸钠与硒酸反应：
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硒酸钠(十水)文献

Photocatalytic removal of selenite and selenate species: effect of EDTA and other process variables.

Environ. Technol. 35(9-12) , 1091-100, (2014)

TiO2-assisted photocatalysis was employed for the removal of aqueous phase selenite and selenate species in conjunction with EDTA as a hole (h+) scavenger. Findings from the binary selenite/EDTA and s...

Differential expression and anti-oxidant function of glutathione peroxidase 3 in mouse uterus during decidualization

FEBS Lett. 588(9) , 1580-9, (2014)

• Gpx3 mRNA is strongly expressed in decidual cells from days 5 to 8 of pregnancy. • Progesterone stimulates Gpx3 expression through PR/HIF1α. • GPX3 may play a major role in reducing H2O2 during deci...

Biodegradation of an organoselenium compound to elemental selenium by Lentinula edodes (shiitake) mushroom.

Biol. Trace Elem. Res. 149(1) , 97-101, (2012)

The present paper reports for the first time the transformation of an organic selenium compound into red selenium (Se), which causes the intense red pigmentation of Lentinula edodes (shiitake mushroom...


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