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13472-45-2

13472-45-2 Structure

13472-45-2 Structure
IdentificationMore
[Name]

TUNGSTEN
[CAS]

13472-45-2
[Synonyms]

AMMONIUM TUNGSTATE (PARA)
AMMONIUM WOLFRAMATE
SODIUM O-TUNGSTATE
SODIUM PARA-TUNGSTATE
TUNGSTEN
TUNGSTEN AA SINGLE ELEMENT STANDARD
TUNGSTEN, AAS STANDARD SOLUTION
TUNGSTEN AA STANDARD
TUNGSTEN ATOMIC ABSORPTION STANDARD
TUNGSTEN ATOMIC SPECTROSCOPY STANDARD
TUNGSTEN ICP/DCP STANDARD
TUNGSTEN ICP STANDARD
TUNGSTEN METAL
TUNGSTEN PLASMA EMISSION SPECTROSCOPY STANDARD
TUNGSTEN PLASMA EMISSION STANDARD
TUNGSTEN, PLASMA STANDARD SOLUTION
TUNGSTEN RIBBON
TUNGSTEN SINGLE ELEMENT STANDARD
TUNGSTEN STANDARD
TUNGSTEN STANDARD SOLUTION
[EINECS(EC#)]

231-143-9
[Molecular Formula]

W
[MDL Number]

MFCD00011461
[Molecular Weight]

183.84
[MOL File]

13472-45-2.mol
Chemical PropertiesBack Directory
[Appearance]

Colorless crystals.Soluble in water; insoluble in alcohol and acids. Noncom- bustible.
[Melting point ]

3410 °C(lit.)
[mp ]

3410 °C(lit.)
[Boiling point ]

5660 °C(lit.)
[bp ]

5660 °C(lit.)
[density ]

2.3 g/mL at 25 °C(lit.)
[solubility ]

H2O: soluble
[form ]

wire
[Water Solubility ]

g/100g H2O: 71.5 (0°C), 73.0 (20°C), 97.2 (100°C) [LAN05]
[Merck ]

13,8772
[Uses]

Intermediate in preparation of tungsten com- pounds, (e.g., phosphotungstate), reagent, fire- proofing fabrics and cellulose, alkaloid precipitant.
[CAS DataBase Reference]

13472-45-2(CAS DataBase Reference)
Hazard InformationBack Directory
[Chemical Properties]

Colorless crystals.Soluble in water; insoluble in alcohol and acids. Noncom- bustible.
[Definition]

ChEBI: An inorganic sodium salt having tungstate as the counterion. Combines with hydrogen peroxide for the oxidation of secondary amines to nitrones.
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/38:Irritating to eyes and skin .
[Safety Statements ]

S6:Keep under ... (inert gas to be specified by the manufacturer) .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[RIDADR ]

UN 3089 4.1/PG 2
[WGK Germany ]

3
[RTECS ]

YO7175000
[HazardClass ]

6.1(b)
[PackingGroup ]

III
[Safety Profile]

Poison by ingestion, intravenous, intramuscular, and subcutaneous routes. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of Na2O. See also TUNGSTEN COMPOUNDS.
Raw materials And Preparation ProductsBack Directory
【Raw materials】

Sodium hydroxide-->Hydrochloric acid
【Preparation Products】

Tungsten trioxide-->Pigment Violet 3-->Pigment Fast Reddish Blue Lake BO-->TUNGSTEN SULFIDE-->Pigment Fast Rose Toner-->Pigment Fast Light Red Lake-->Pigment Fast Reddish Blue Toner R-->Pigment Red 81
Spectrum DetailBack Directory
[Spectrum Detail]

TUNGSTEN(13472-45-2) IR1
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

13472-45-2(sigmaaldrich)
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