ChemicalBook >>Phosphotungstic acid 44-hydrate>>Dodeca-Tungstophosphoric acid(12067-99-1)

Dodeca-Tungstophosphoric acid(12067-99-1)

Dodeca-Tungstophosphoric acid(12067-99-1)
Product IdentificationBack to Contents
【Product Name】

Dodeca-Tungstophosphoric acid
【Synonyms】

Tungsten hydrogen oxide phosphate
Tungstophosphoric acid
【CAS】

12067-99-1
【Formula】

H4O7PW
【Molecular Weight】

330.84
【EINECS】

235-087-6
【RTECS】

TH5650000
【RTECS Class】

Other
【Beilstein/Gmelin】

19286 (G)
Physical and Chemical PropertiesBack to Contents
【Appearance】

Colorles to gray or slightly yellow-green, odorless crystals.
【Solubility in water】

Soluble
【Melting Point】

89
【Usage】

Used as a reagent for alkaloids and other nitrogen bases.
First Aid MeasuresBack to Contents
【Ingestion】

Seek medical assistance.
【Inhalation】

Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
【Skin】

Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
【Eyes】

Immediately flush with running water for at least 20 minutes.
Handling and StorageBack to Contents
【Storage】

Refrigerator at 4 C.
【Handling】

All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Hazards IdentificationBack to Contents
【Ingestion】

See Inhalation.
【Inhalation】

TOXIC; inhalation, ingestion, or skin contact with material may cause severe injury or death. Effects of contact or inhalation may be delayed.
【Skin】

Contact with molten substance may cause severe burns to skin and eyes. See Inhalation.
【Eyes】

See Inhalation.
【Hazards】

Contact with metals may evolve flammable hydrogen gas.
【UN (DOT)】

3260
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Wear appropriate protective gloves, clothing and goggles.
【Respirators】

Wear positive pressure self-contained breathing apparatus (SCBA).
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Extinguish using agent most appropriate for surrounding fire.
【Fire Potential】

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

ELIMINATE all ignition sources. Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.
Stability and ReactivityBack to Contents
【Stability】

No data.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

3260
【Hazard Class】

8
【Packing Group】

I; II; III
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