(T-4)-钨酸钠

密度：

3.25

熔点：

698ºC

存储条件/存储方法：

1.出口产品内用塑料袋，外用铁桶包装，塑料袋用绳扎口，桶盖加胶圈、用铅封.

稳定性相关：

1.在0℃水中溶解度57.5g/100mL H2O，100℃水中溶解96.9g/100mL H2O。

其它信息：

1.       性状：不透明的菱形结晶块。

2.       密度（g/mL,25/4℃）：4.18

3.       相对蒸汽密度（g/mL,空气=1）：未确定

4.       熔点（ºC）：700

5.       沸点（ºC,常压）：5660

6.       沸点（ºC,5.2kPa）：未确定

7.       折射率：未确定

8.       闪点（ºC）：未确定

9.       比旋光度（º）：未确定

10.    自燃点或引燃温度（ºC）：未确定

11.    蒸气压（kPa,25ºC）：未确定

12.    饱和蒸气压（kPa,60ºC）：未确定

13.    燃烧热（KJ/mol）：未确定

14.    临界温度（ºC）：未确定

15.    临界压力（KPa）：未确定

16.    油水（辛醇/水）分配系数的对数值：未确定

17.    爆炸上限（%,V/V）：未确定

18.    爆炸下限（%,V/V）：未确定

19.    溶解性：溶于水,呈微碱性,不溶于乙醇，微溶于氨

包装等级：

III

风险类别：

6.1(b)

海关代码：

2841802000

WGK_Germany：

3
德国有关水污染物质的分类清单

危险类别码：

36/38

安全说明：

6-26-36

RTECS号：

YO7175000

安全标志：

S6:保存在...气氛下（一种惰性气体的名字）。
S26:万一接触眼睛，立即使用大量清水冲洗并送医诊治。
S36:穿戴合适的防护服装。

危险标志：

Xn: Harmful;

CHEMICAL IDENTIFICATION

RTECS NUMBER :

YO7875000

CHEMICAL NAME :

Tungstic acid, disodium salt

CAS REGISTRY NUMBER :

13472-45-2

LAST UPDATED :

199712

DATA ITEMS CITED :

34

MOLECULAR FORMULA :

O4-W.2Na

MOLECULAR WEIGHT :

293.83

WISWESSER LINE NOTATION :

NA2 WO-O4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

1190 mg/kg

TOXIC EFFECTS :

Behavioral - excitement Behavioral - muscle weakness

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

240 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 :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

240 mg/kg

TOXIC EFFECTS :

Autonomic Nervous System - other (direct) parasympathomimetic Behavioral - excitement Behavioral - muscle weakness

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

140 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 :

Intravenous

SPECIES OBSERVED :

Mammal - cat

DOSE/DURATION :

139 mg/kg

TOXIC EFFECTS :

Vascular - BP lowering not characterized in autonomic section Lungs, Thorax, or Respiration - respiratory depression

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

875 mg/kg

TOXIC EFFECTS :

Behavioral - excitement Behavioral - muscle weakness

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

78 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 - rabbit

DOSE/DURATION :

105 mg/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Behavioral - food intake (animal) Gastrointestinal - hypermotility, diarrhea

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

1152 mg/kg

TOXIC EFFECTS :

Behavioral - excitement Behavioral - muscle weakness

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

810 mg/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 :

106 mg/kg/30W-I

TOXIC EFFECTS :

Behavioral - alteration of classical conditioning

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

504 ug/m3/24H/17W-C

TOXIC EFFECTS :

Blood - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase Biochemical - Metabolism (Intermediary) - other proteins

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

1214 mg/kg/35W-I

TOXIC EFFECTS :

Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

DOSE :

504 ug/m3/24H

SEX/DURATION :

male 17 week(s) pre-mating

TOXIC EFFECTS :

Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)

MUTATION DATA

TYPE OF TEST :

Sex chromosome loss and nondisjunction

TEST SYSTEM :

Yeast - Saccharomyces cerevisiae

REFERENCE :

MUTAEX Mutagenesis. (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1986- Volume(issue)/page/year: 1,21,1986 *** REVIEWS *** ACGIH TLV-TWA 5 mg(W)/m3; STEL 10 mg(W)/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 5 mg(W)/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: 3,272,1971 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 5 mg(W)/m3;STEL 10 mg(W)/m3 JAN 1993 OEL-BELGIUM:TWA 5 mg(W)/m3;STEL 10 mg(W)/m3 JAN 1993 OEL-DENMARK:TWA 5 mg(W)/m3 JAN 1993 OEL-FINLAND:TWA 5 mg(W)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 5 mg(W)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 1 mg(W)/m3 JAN 1993 OEL-SWEDEN:TWA 5 mg(W)/m3 JAN 1993 OEL-SWITZERLAND:TWA 5 mg(W)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 5 mg(W)/m3;STEL 10 mg(W)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO TUNGSTEN, soluble-air:10H TWA 1 mg(W)/m3;STEL 3 mg/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84829 No. of Facilities: 895 (estimated) No. of Industries: 13 No. of Occupations: 20 No. of Employees: 15470 (estimated) No. of Female Employees: 8875 (estimated)

分子结构数据

1、摩尔折射率：无可用的

2、摩尔体积（cm³/mol）：无可用的

3、等张比容（90.2K）：无可用的

4、表面张力（dyne/cm）：无可用的

5、介电常数：无可用的

6、极化率（10^-24cm³）：无可用的

7、单一同位素质量：183.9509 Da

8、标称质量：184 Da

9、平均质量：183.84 Da

计算化学数据

1.疏水参数计算参考值（XlogP）:无

2.氢键供体数量:0

3.氢键受体数量:4

4.可旋转化学键数量:0

5.互变异构体数量:无

6.拓扑分子极性表面积80.3

7.重原子数量:7

8.表面电荷:0

9.复杂度:62.2

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:3

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  钨酸钠红外图谱(IR1)