钒粉

钒粉用途

【用途一】
用于快中子反应堆包套材料、制作超导材料和特种合金的添加剂。
【用途二】
用于快中子反应堆包套材料、制作超导材料和特种合金的添加剂。用于ICP-AES、AAS、AFS、ICP-MS、离子色谱等。滴定分析用标准溶液。校准仪器和装置；评价方法；工作标准；质量保证/质量控制；其他。

钒粉名称

[ CAS 号 ]:
7440-62-2

[ 中文名 ]:
钒

[ 英文名 ]:
Vanadium

[中文别名 ]:

[英文别名 ]:

Vanadium (grem.)
VANADIUM
Vanadium, elemental
EINECS 231-171-1
vanadium,elemental
rod
Vanadiumturnings
Vanadium foil
Vanadium powder
Vanadium rod

钒粉物理化学性质

[ 密度 ]:
6.11 g/mL at 25 °C(lit.)

[ 沸点 ]:
3380 °C(lit.)

[ 熔点 ]:
1890 °C(lit.)

[ 分子式 ]:
V

[ 分子量 ]:
50.942

[ 精确质量 ]:
50.943962

[ 外观性状 ]:
金属灰色杆或大块

[ 蒸汽压 ]:
8 mm Hg ( 20 °C)

[ 储存条件 ]:
室温

[ 稳定性 ]:
Stable. Incompatible with strong acids, strong oxidizing agents.

[ 水溶解性 ]:
H2O: soluble

钒粉MSDS

钒粉毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YW1355000

CHEMICAL NAME :: Vanadium

CAS REGISTRY NUMBER :: 7440-62-2

LAST UPDATED :: 199712

DATA ITEMS CITED :: 11

MOLECULAR FORMULA :: V

MOLECULAR WEIGHT :: 50.94

WISWESSER LINE NOTATION :: .VA

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 59 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 28,83,1965 ** TUMORIGENIC DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 340 mg/kg/43W-I

REFERENCE :: NCIUS* Progress Report for Contract No. PH-43-64-886, Submitted to the National Cancer Institute by The Institute of Chemical Biology, University of San Francisco. (San Francisco, CA 94117) Volume(issue)/page/year: PH43-64-886 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO VANADIUM (as V2O5), resp dust/fume-air:CL 0.05 mg/m3/15M 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 : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 76165 No. of Facilities: 79 (estimated) No. of Industries: 3 No. of Occupations: 11 No. of Employees: 3743 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 76165 No. of Facilities: 1725 (estimated) No. of Industries: 37 No. of Occupations: 68 No. of Employees: 54159 (estimated) No. of Female Employees: 2658 (estimated)

钒粉安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危害码 (欧洲) ]:
Xi:Irritant;

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S26-S36-S45-S7

[ 危险品运输编码 ]:
UN 3289 6.1/PG 2

[ WGK德国 ]:
3

[ RTECS号 ]:
YW1355000

[ 包装等级 ]:
II

[ 危险类别 ]:
4.1

钒粉合成路线

钒粉上下游产品

钒粉上游产品

钒粉下游产品

钒粉制备

1.主要矿物有钒酸钾铀矿、铅钒矿等。用钙还原五氧化二钒或用镁还原三氯化钒制得。

2.首先在碳存在下，将V2O5于约750℃下进行氯化，生成四氯化钒VCl4。由于生成VCl4的同时还生成三氯一氧化钒VCl3O，故需将VCl3O在碳存在下，于约750℃进一步氯化，使生成VCl4。然后在干燥的二氧化碳气流中，使VCl4在其沸点(148.5℃)温度下回流，再加热使分解为VCl3。将制得的VCl3进一步蒸馏得到纯度为99.8%的VCl3。最后将这种VCl3在约850℃温度下用镁还原，就可制得质量很好的金属钒。

钒粉文献

Organic monolith frits encased in polyether ether ketone tubing with improved durability for liquid chromatography.

J. Sep. Sci. 38 , 2938-44, (2015)

This study introduces a preparation method for polymer-encased monolith frits with improved durability for liquid chromatography columns. The inner surface of the polyether ether ketone tubing is pret...

Determination of vanadium in groundwater samples with an improved kinetic spectrophotometric method.

Environ. Technol. 35(9-12) , 1165-74, (2014)

A kinetic catalytic method has been developed for the determination of vanadium based on its catalytic effect on the redox reaction of azorubin S and bromate in the presence of a sulphuric and nitric ...

Determination of total vanadium and vanadium(V) in groundwater from Mt. Etna and estimate of daily intake of vanadium(V) through drinking water.

J. Water Health 13 , 522-30, (2015)

Vanadium(V) can be found in natural waters in the form of V(IV) and V(V) species, which have different biological properties and toxicity. The purpose of this study was to determine the concentrations...

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钒粉