磷钨酸

Description

Phosphotungstic acid · CAS 12067-99-1 · H3O40PW12. UNII 5KAC2X78XM.

Identification

CAS Registry Number	12067-99-1
PubChem CID	90478944
Molecular formula	H3O40PW12
IUPAC name	phosphoric acid;dodecakis(trioxotungsten)
UNII (FDA)	5KAC2X78XM

Computed Descriptors

Molecular Weight	2880.1
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	40
Rotatable Bond Count	0
Exact Mass	2879.20572
Monoisotopic Mass	2881.20502
Topological Polar Surface Area	692
Heavy Atom Count	53
Formal Charge	0
Complexity	112

Physical description & handling notes

• White or slightly yellowish-green solid; Somewhat efflorescent; [Merck Index] White or yellow odorless powder; [MSDSonline] Soluble in water; [Hawley

GHS Hazard Classification

Reported hazard statements	H314 (97.8%)

Documented Uses

• Used in analytical chemistry, organic pigments, metal plating baths, organic catalysts, photographic fixing agents, textile antistatic agents, and water-resistance agents for plastics, adhesives, and cement; [Hawley] Used as a biological stain; [Merck Index]
• Electroplating [Category: Plate]
• Working with Glues and Adhesives [Category: Other]
• Photographic Processing [Category: Other]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Tungsten hydroxide oxide phosphate: ACTIVE

Synonyms

Acid, Phosphotungstic; RefChem:900737; DTXSID30890673; 215-682-7; 235-087-6; 12067-99-1; 5KAC2X78XM; Phosphotungstic Acid; Tungsten hydroxide oxide phosphate; Tungstophosphoric acid; dodecatungstophosphoric acid; phosphoric acid;trioxotungsten; NPW 40; PHOSPHOTUNGSTIC ACID [MI]; TUNGSTOPHOSPHORIC ACID (H3W12PO40); USP Solution Phosphotungstic Acid TS Conforms to USP

Frequently Asked Questions

What are the CAS number and molecular formula of Phosphotungstic acid?

CAS 12067-99-1; molecular formula H3O40PW12; molecular weight — g/mol.

What other names is Phosphotungstic acid known by?

Acid, Phosphotungstic, RefChem:900737, DTXSID30890673, 215-682-7, 235-087-6, 12067-99-1.

Is Phosphotungstic acid classified as hazardous?

Hazard statements reported: H314.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.