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HomeProduct name listSodium metavanadate

Sodium metavanadate

Synonym(s):Sodium (meta)vanadate;Sodium trioxovanadate;Sodium vanadate(V);Sodium vanadium oxide;Sodium vanadium trioxide

  • CAS NO.:13718-26-8
  • Empirical Formula: NaO3V
  • Molecular Weight: 121.93
  • MDL number: MFCD00011125
  • EINECS: 237-272-7
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-13 17:19:09
Sodium metavanadate Structural

What is Sodium metavanadate?

Chemical properties

Sodium vanadate, sodium orthovanadate, Na3VO4, white solid, soluble, formed by fusion of vanadium pentoxide and sodium carbonate. Used (1) in inks, (2) in photography, (3) in dyeing of furs, (4) in inoculation of plant life.

The Uses of Sodium metavanadate

Sodium metavanadate (SMV) is a vanadium salt that can be used as a corrosion inhibitor with good inhibition efficiency (98%) at 200 ppm. It can be used in the protection of carbon steel.

The Uses of Sodium metavanadate

Vanadium is a metallic element that occurs in six oxidation states and numerous inorganic compounds. Some of the more important compounds are vanadium pentoxide (V2O5), sodium metavanadate (NaVO3), sodium orthovanadate (Na3VO4), vanadyl sulfate (VOSO4), and ammonium vanadate (NH4VO3). Vanadium is used primarily as an alloying agent in steels and non-ferrous metals (ATSDR, 1990). Vanadium compounds are also used as catalysts and in chemical, ceramic or specialty applications.

The Uses of Sodium metavanadate

Sodium metavanadate is used as an analytical reagent and mordant. It is also found to be useful in the photography industry and the pharmaceutical industry. In addition to this, it is used in the making of vanadium alloy and vanadium catalyst.

What are the applications of Application

Sodium metavanadate is a useful hygroscopic compound

Definition

ChEBI: Sodium metavanadate is an inorganic sodium salt having metavanadate as the counterion. It contains a metavanadate.

Preparation

sodium metavanadate synthesis: Dissolve vanadium pentoxide in sodium hydroxide solution, crystallized by concentration, that is, the finished product of sodium metavanadate.
V2O5+2NaOH→2NaVO3+H2O

General Description

Colorless to yellow crystals or cream colored solid. Melting point 630°C.

Air & Water Reactions

Soluble in water.

Reactivity Profile

Sodium metavanadate is a moderately strong oxidizing agent [Cotton and Wilkinson].

Hazard

Toxic by ingestion.

Health Hazard

Vanadium pentoxide and sodium metavanadate have a toxicity rating of 5, equivalent to a probable lethal oral dose in humans of 5-50 mg/kg (Gosselin et al., 1984). The elemental metallic form is considered to be non-toxic.
Stokinger et al. (1953) reported that a 10% solution of sodium metavanadate is a primary irritant to human skin. Saturated solutions of ammonium metavanadate (0.5%) and vanadium pentoxide (0.8% solution) did not irritate the skin. Sjoberg (1951) reported that several workers occupationally exposed to vanadium developed what appeared to be a contact dermatitis and that in one case, skin patch tests produced eczematous lesions indicative of an allergic reaction.
COMMENTS: The NOAEL is derived from a study in which rats were given 0, 5, 10 and 50 ppm sodium metavanadate, in drinking water for 3 months. Impaired kidney function was seen at 50 ppm, and 10 ppm was considered a NOAEL. The Uncertainty Factor of 100 is the product of a 10-fold uncertainty in extrapolating from laboratory animals to humans and a 10-fold uncertainty to protect sensitive individuals.

Fire Hazard

Flash point data of Sodium metavanadate are not available. Sodium metavanadate is probably nonflammable.

Flammability and Explosibility

Non flammable

Safety Profile

Poison by ingestion, intraperitoneal, subcutaneous, and intravenous routes. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of Na2O and VOx. See also VANADIUM COMPOUNDS.

Metabolism

Not Available

Properties of Sodium metavanadate

Melting point: 600 °C
Density  3.241 g/cm3
storage temp.  Sealed in dry,Room Temperature
form  Powder
color  White to faintly yellow-beige or pale green
Odor Odorless
Water Solubility  Soluble in water.
Merck  14,8700
Exposure limits NIOSH: Ceiling 0.05 mg/m3
Stability: Stable.
CAS DataBase Reference 13718-26-8(CAS DataBase Reference)
EPA Substance Registry System Sodium vanadate (13718-26-8)

Safety information for Sodium metavanadate

Signal word Danger
Pictogram(s)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
ghs
Health Hazard
GHS08
ghs
Environment
GHS09
GHS Hazard Statements H301:Acute toxicity,oral
H319:Serious eye damage/eye irritation
H332:Acute toxicity,inhalation
H372:Specific target organ toxicity, repeated exposure
H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P201:Obtain special instructions before use.
P202:Do not handle until all safety precautions have been read and understood.
P273:Avoid release to the environment.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Sodium metavanadate

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