钼酸钠

外观与性状：

白色粉末

密度：

3.78 g/mL at 25 °C(lit.)

熔点：

687 °C(lit.)

沸点：

100ºC

折射率：

1.714

存储条件/存储方法：

密封于阴凉干燥环境。

稳定性相关：

如果遵照规格使用和储存则不会分解。易溶于水（g/100g）：30.62(0℃)，39.40（25℃），45.52（100℃）。

其它信息：

1.      性状：白色至浅灰色粉末，有光泽的片状晶体。

2.      密度（g/mL,25/4℃）：3.28

3.      相对蒸汽密度（g/mL,空气=1）：无可用

4.      熔点（ºC）：687

5.      沸点（ºC,常压）：无可用

6.      沸点（ºC,5.2kPa）：无可用

7.      折射率：1.714

8.      闪点（ºC）：无可用

9.      比旋光度（º）：无可用

10.   自燃点或引燃温度（ºC）：无可用

11.   蒸气压（kPa,25ºC）：无可用

12.   饱和蒸气压（kPa,60ºC）：无可用

13.   燃烧热（KJ/mol）：无可用

14.   临界温度（ºC）：无可用

15.   临界压力（KPa）：无可用

16.   油水（辛醇/水）分配系数的对数值：无可用

17.   爆炸上限（%,V/V）：无可用

18.   爆炸下限（%,V/V）：无可用

19.   溶解性：微溶于水，不溶于丙酮。

海关代码：

2841709000

WGK_Germany：

1
德国有关水污染物质的分类清单

危险类别码：

R36/37/38

安全说明：

S26-S36

RTECS号：

QA5075000

安全标志：

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：

Xi: Irritant;

CHEMICAL IDENTIFICATION

RTECS NUMBER :

QA5075000

CHEMICAL NAME :

Molybdic acid, disodium salt

CAS REGISTRY NUMBER :

7631-95-0

LAST UPDATED :

199806

DATA ITEMS CITED :

36

MOLECULAR FORMULA :

Mo-O4.2Na

MOLECULAR WEIGHT :

205.92

WISWESSER LINE NOTATION :

NA2 MO-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 :

4 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

>2080 mg/m3/4H

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 :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

576 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 :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

303 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 :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

570 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 :

917 mg/kg

TOXIC EFFECTS :

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

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

18200 mg/kg/13W-I

TOXIC EFFECTS :

Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - dehydrogenases

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Mammal - domestic

DOSE/DURATION :

484 mg/kg/21W-I

TOXIC EFFECTS :

Blood - other changes Musculoskeletal - other changes Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intratesticular

DOSE :

16474 ug/kg

SEX/DURATION :

male 1 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Paternal Effects - testes, epididymis, sperm duct

MUTATION DATA

TYPE OF TEST :

Sex chromosome loss and nondisjunction

TEST SYSTEM :

Yeast - Saccharomyces cerevisiae

DOSE/DURATION :

80 mmol/L

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(Mo)/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 ADTEAS Advances in Teratology. (New York, NY) V.1-5, 1966-72. Discontinued. Volume(issue)/page/year: 5,51,1972 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 5 mg(Mo)/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: 3,173,1971 OSHA PEL (Gen Indu):8H TWA 5 mg(Mo)/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 5 mg(Mo)/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 5 mg(Mo)/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 5 mg(Mo)/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-AUSTRALIA:TWA 5 mg(Mo)/m3 JAN 1993 OEL-BELGIUM:TWA 5 mg(Mo)/m3 JAN 1993 OEL-DENMARK:TWA 5 mg(Mo)/m3 JAN 1993 OEL-FINLAND:TWA 5 mg(Mo)/m3 JAN 1993 OEL-FRANCE:TWA 5 mg(Mo)/m3;STEL 10 mg(Mo)/m3 JAN 1993 OEL-GERMANY:TWA 5 mg(Mo)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 5 mg(Mo)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 5 mg(Mo)/m3 JAN 1993 OEL-SWITZERLAND:TWA 5 mg(Mo)/m3 JAN 1993 OEL-TURKEY:TWA 5 mg(Mo)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 5 mg(Mo)/m3;STEL 10 mg/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 OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81120 No. of Facilities: 1540 (estimated) No. of Industries: 35 No. of Occupations: 33 No. of Employees: 10443 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81120 No. of Facilities: 2082 (estimated) No. of Industries: 55 No. of Occupations: 46 No. of Employees: 33075 (estimated) No. of Female Employees: 6787 (estimated)

毒理学数据：

试验方法：Intratesticular
摄入剂量：16474微克/千克，男性一天（县）前交配
测试对象：啮齿动物-鼠
毒性类型：生殖
毒性作用：影响-睾丸，附睾，精子管
2。
试验方法：口服
摄入剂量：4毫克/千克
测试对象：啮齿动物-鼠
毒性类型：急性
毒性作用：详细的毒副作用没有报告以外的其他致死剂量值

生态数据：

该物质对环境可能有危害，对水体应给予特别注意。

分子结构数据

1、摩尔折射率：无可用

2、  摩尔体积（cm³/mol）：无可用

3、  等张比容（90.2K）：无可用

4、  表面张力（dyne/cm）：无可用

5、  极化率：无可用

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