制备方法

1.液碱萃取法钼精矿经氧化焙烧生成三氧化钼,再用液碱浸取,得到钼酸钠溶液,浸出液经抽滤、蒸发浓缩,浓缩液经冷却结晶、离心分离,在70～80℃温度下干燥,即得钼酸钠成品。

合成制备方法

1.液碱萃取法钼精矿经氧化焙烧生成三氧化钼，再用液碱浸取，得到钼酸钠溶液，浸出液经抽滤、蒸发浓缩，浓缩液经冷却结晶、离心分离，在70～80℃温度下干燥，即得钼酸钠成品。

用途简介

1.用于制造生物碱及其他物质的试剂,也用于染料、钼红颜料、催化剂、钼盐和耐晒色淀沉淀剂。是制造阻燃剂的原料和无公害型冷却水系统的金属腐蚀抑制剂,以及作为动植物必须的微量成分

用途

1.用于制造生物碱及其他物质的试剂，也用于染料、钼红颜料、催化剂、钼盐和耐晒色淀沉淀剂。是制造阻燃剂的原料和无公害型冷却水系统的金属腐蚀抑制剂，以及作为动植物必须的微量成分。

2.钼酸盐属阳极氧化膜缓蚀剂，在阳极铁上形成亚铁高铁钼氧化物钝化膜而起缓蚀作用，是无公害型冷却水系统的金属腐蚀抑制剂。而且，钼酸钠在有氧和无氧环境下均为良好的缓蚀剂。用于制造生物碱及其他物质的试剂，也用于染料、钼红染料、催化剂、钼盐和耐晒色沉淀剂。是制造阻燃剂的原料以及作为动植物必需的微量成分。

3.用作分析试剂。用于生物碱及磷的测定。也用于染料和制药工业及培养基配制。

4.在氰化镀锌中钼酸钠与洋茉莉醛混合使用对镀层有很好的光亮效果。若加入过多会使镀层亮而脆。

海关代码：

28417000

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：

S24/25

RTECS号：

QA5085000

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。

危险标志：

Xi:Irritant

CHEMICAL IDENTIFICATION

RTECS NUMBER :

QA5085000

CHEMICAL NAME :

Molybdic acid, disodium salt, dihydrate

CAS REGISTRY NUMBER :

10102-40-6

LAST UPDATED :

199712

DATA ITEMS CITED :

31

MOLECULAR FORMULA :

Mo-O4.2Na.2H2-O

MOLECULAR WEIGHT :

241.96

WISWESSER LINE NOTATION :

.NA..MO-O4 &QH 2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

520 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Behavioral - coma

REFERENCE :

AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 154,243,1965

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

257 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Behavioral - coma

REFERENCE :

AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 154,243,1965 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

28 mg/kg/4W-I

TOXIC EFFECTS :

Blood - normocytic anemia Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Metabolism (Intermediary) - Plasma proteins not involving coagulation

REFERENCE :

EESADV Ecotoxicology and Environmental Safety. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1977- Volume(issue)/page/year: 26,133,1993 ** REPRODUCTIVE DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

401 mg/kg

SEX/DURATION :

female 6 week(s) pre-mating female 1-21 day(s) after conception

TOXIC EFFECTS :

Reproductive - Maternal Effects - menstrual cycle changes or disorders Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

REFERENCE :

NTRSDC Nutrition Research. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1981- Volume(issue)/page/year: 10,515,1990

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intravenous

DOSE :

968 gm/kg

SEX/DURATION :

female 8 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

REFERENCE :

ENVRAL Environmental Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1967- Volume(issue)/page/year: 33,47,1984 *** 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 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 10 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 15 mg(Mo)/m3, total dust 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 (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 15 mg(Mo)/m3, total dust 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 (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 15 mg(Mo)/m3, total dust 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 (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 15 mg(Mo)/m3, total dust 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 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 10 mg(Mo)/m3 JAN 1993 OEL-BELGIUM:TWA 10 mg(Mo)/m3 JAN 1993 OEL-DENMARK:TWA 10 mg(Mo)/m3 JAN 1993 OEL-FRANCE:TWA 5 mg(Mo)/m3;STEL 10 mg(Mo)/m3 JAN 1993 OEL-GERMANY:TWA 15 mg(Mo)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 10 mg(Mo)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 15 mg(Mo)/m3 JAN 1993 OEL-SWEDEN:TWA 10 mg(Mo)/m3 (total dust) JAN 1993 OEL-SWEDEN:TWA 5 mg(Mo)/m3 (resp. dust) JAN 1993 OEL-SWITZERLAND:TWA 10 mg(Mo)/m3 JAN 1993 OEL-TURKEY:TWA 15 mg(Mo)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 10 mg(Mo)/m3;STEL 20 mg(Mo)/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 : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1599 No. of Facilities: 78 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 1490 (estimated) No. of Female Employees: 1059 (estimated)

毒理学数据：

急性毒性：大鼠腹腔LD50：520 mg/kg；小鼠腹腔LC50：257 mg/kg；

其他多剂量毒性数据：大鼠腹腔TDLo：28 gm/kg；

繁殖数据：大鼠经口TDLo：401 gm/kg；小鼠注射TDLo：968 gm/kg；

有刺激性。钼中毒会引起关节疼痛，造成血压偏低和血压波动，神经功能紊乱，代谢过程出现障碍。可溶性钼化物气溶胶最高容许浓度为2mg/m3,粉尘为4mg/m3。接触和使用钼酸钠时，要穿戴规定的防护用具。

生态数据：

通常对水体是稍微有害的，不要将未稀释或大量产品接触地下水，水道或污水系统，未经政府许可勿将材料排入周围环境。

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：243.885735 Da

8、标称质量：244 Da

9、平均质量：241.9477 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:2

3.氢键受体数量:6

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82.3

7.重原子数量:9

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:5

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  钼酸钠二水红外图谱(IR1)