Basic information
- CAS
12067-99-1- Standard SMILES
O=P(O)(O)O.[O]=[W](=[O])=[O].[O]=[W](=[O])=[O].[O]=[W](=[O])=[O].[O]=[W](=[O])=[O].[O]=[W](=[O])=[O].[O]=[W](=[O])=[O].[O]=[W](=[O])=[O].[O]=[W](=[O])=[O].[O]=[W](=[O])=[O].[O]=[W](=[O])=[O].[O]=[W](=[O])=[O].[O]=[W](=[O])=[O]- InChIKey
IYDGMDWEHDFVQI-UHFFFAOYSA-N- Molecular formula
- H3O40PW12
- Average molar mass
- 2,880.1 g/mol
Overview
Tungsten hydroxide oxide phosphate. A white or slightly yellowish-green, slightly efflorescent crystal or crystalline powder. It is used as a reagent for alkaloids and many other nitrogen bases, for phenols, albumin, peptone, amino acids, uric acid, urea, blood, and carbohydrates. (From Merck Index, 11th ed)
Names & identifiers
- Preferred name
- Tungsten hydroxide oxide phosphate
- IUPAC
- phosphoric acid;dodecakis(trioxotungsten)
- English name
- Phosphotungstic acid 44-hydrate
- Molecular formula
- H6O80P2W24
- Molecular weight
- 5760.11
Names & synonyms
Acid, PhosphotungsticRefChem:900737DTXSID30890673215-682-7235-087-612067-99-15KAC2X78XMPhosphotungstic AcidTungsten hydroxide oxide phosphateTungstophosphoric aciddodecatungstophosphoric acidphosphoric acid;trioxotungsten
Show more names
FXIphosphotungsticPisa grassSIWA 12-PWAPhosphotungstic acid 44-hydrateCoagulation factor XItungstenhydroxideoxidephosphato-tungstic acidDodeca-Tungstophosphoric acid
NPW 40PHOSPHOTUNGSTIC ACID [MI]P3008TUNGSTOPHOSPHORIC ACID (H3W12PO40)USP Solution Phosphotungstic Acid TS Conforms to USPDODECATUNGSTOPHOSPHORIC ACID (H3(PO4)(WO3)12)Tungsten hydroxide oxide phosphate (W12(OH)3O33(PO4))TUNGSTATE(3-), TETRACOSA-.MU.-OXODODECAOXO(.MU.12-(PHOSPHATO(3-)-.KAPPA.O:.KAPPA.O:.KAPPA.O:.KAPPA.O':.KAPPA.O':.KAPPA.O':.KAPPA.O'':.KAPPA.O'':.KAPPA.O'':.KAPPA.O''':.KAPPA.O''':.KAPPA.O'''))DODECA-, HYDROGEN (1:3)
Database identifiers
- CAS
Properties
Computed structural properties
- Topological polar surface area
- 692 Ų
- Hydrogen bond donors
- 3
- Hydrogen bond acceptors
- 40
- Rotatable bonds
- 0
- Heavy atoms
- 53
- Formal charge
- 0
- Complexity
- 112
Experimental & physicochemical properties
Chemical ClassesToxic Gases & Vapors -> Acids, Inorganic
Physical DescriptionWhite or slightly yellowish-green solid; Somewhat efflorescent; [Merck Index] White or yellow odorless powder; [MSDSonline] Soluble in water; [Hawley
Physicochemical properties
- Melting point
- 89 ℃ · 89℃ [HAW93]
- RTECS
- 5650000 · TH5650000
- storage temp.
- 2 · Inert atmosphere,2-8°C
- solubility
- 2 O; · very soluble in H2O; soluble in ethanol, ethyl ether
- form
- Powder
- color
- White to pale yellow
- Water Solubility
- practical insoluble
- Merck
- 14 · 14,7364
- Exposure limits
- 3 mg/m3 · ACGIH: TWA 3 mg/m3
- InChI
- InChI=1S/H3O4P.36O.12W/c1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h(H3,1,2,3,4);;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
Danger
H314 (97.8%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 46 reports by companies from 5 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory Information
Chemical: Tungsten hydroxide oxide phosphate
Tungsten hydroxide oxide phosphate: Does not have an individual approval but may be used under an appropriate group standard
Hazards Summary
A strong skin and eye irritant; Molecular formula: H3PW12O40xH2O; [Hawley] Approximate composition: 24WO3.2H3PO4.48H2O (water content varies); [Merck Index] Corrosive to skin and eyes; [eChemPortal: ERMA] May cause fire on contact with combustible materials; A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; [MSDSonline]
Hazard Classes and CategoriesSkin Corr. 1B (97.8%)
Safety & protection
Threshold Limit Values (TLV)3.0 [mg/m3], as W, respirable particulate matter
Toxicology
Adverse EffectsDermatotoxin - Skin burns.
Chemistry & industry
Uses & manufacturing
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]
General Manufacturing InformationTungsten hydroxide oxide phosphate: ACTIVE
Applications
UsesAs reagent for alkaloids and many other nitrogen bases, for phenols, albumin, peptone, amino acids, uric acid, urea, blood, carbohydrates; as biological stain.
Upstream & downstream products
Upstream raw materials
Downstream products
Suppliers100 total
北京华美互利生物化工010-56205725 · [email protected]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
Loading…