Basic information
- CAS
12501-23-4- Standard SMILES
O.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
AVFBYUADVDVJQL-UHFFFAOYSA-N- Molecular formula
- H5O41PW12
- Average molar mass
- 2,898.1 g/mol
- Monoisotopic mass
- 2,899.21558
Names & identifiers
- Preferred name
- Phosphoric acid--trioxotungsten--water (1/12/1)
- IUPAC
- phosphoric acid;dodecakis(trioxotungsten);hydrate
- English name
- Phosphotungstic acid hydrate
- Molecular formula
- H3O41PW12(-2)
- Molecular weight
- 2896.04
Names & synonyms
DTXSID30583755Phosphoric acid--trioxotungsten--water (1/12/1)RefChem:1095423DTXCID3053452012501-23-412-Tungstophosphoric acid hydratephosphoric acid;trioxotungsten;hydrateHydrogen phosphotungstate hydrate (H3PW12O40.xH2O)Phosphotungstic acid, ARSBB080587AKOS005111017FP40759
Show more names
TUNGSTOPHOSPHORIC ACIDDODECA-TUNGSTOPHOSPHORIC ACID HYDRATEPhosphotungstic aciheavy acidstic acid hydrate12-TUNGSTOPHOSPHATEphosphowolframic acidPhosphotungsticAcidGrPHSOPHOTUNGUSTIC ACIDphosphotungstenic acid
SB66354Phosphotungstic acid hydrate, reagent gradePhosphotungstic acid hydrate, for microscopyPhosphotungstic acid hydrate, p.a., 99.5%Phosphotungstic acid hydrate, SAJ special gradeHydrogenphosphotungstatehydrate(H3PW12O40.xH2O)Phosphotungstic acid hydrate, Vetec(TM) reagent gradeTris(oxido)tungsten--phosphoric acid--water (12/1/1)
Properties
Computed structural properties
- Topological polar surface area
- 693 Ų
- Hydrogen bond donors
- 4
- Hydrogen bond acceptors
- 41
- Rotatable bonds
- 0
- Heavy atoms
- 54
- Formal charge
- 0
- Complexity
- 112
Physicochemical properties
- Melting point
- 95 °C · ~95 °C(lit.)
- Boiling point
- 107.9 ℃[at · 107.9℃[at 101 325 Pa]
- Density
- 3.88 · 3.88[at 20℃]
- bulk density
- 960 kg/m3 · 960kg/m3
- vapor pressure
- 19.2 hPa · 19.2hPa at 20℃
- storage temp.
- room temp
- form
- Solid
- color
- White
- PH
- 1.3 · 1.3 (20g/l, H2O, 20℃)
- Water Solubility
- soluble
- Sensitive
- Hygroscopic
- Exposure limits
- 3 mg/m3NIOSH: · ACGIH: TWA 3 mg/m3NIOSH: TWA 5 mg/m3; STEL 10 mg/m3
- Stability
- hygroscopic
- InChI
- 1S/H3O4P.H2O.36O.12W/c1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h(H3,1,2,3,4);1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- InChIKey
- YLIQWAMEHLESGU-UHFFFAOYSA-L
- SMILES
- 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.OP(O)(O)=O
Safety & regulation
Safety data
- F
- 3-10-23
- PPE
- Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
- wgk
- 3
- tsca
- Yes
- rtecs
- TH5650000
- ridadr
- UN 3260 8/PG 3
- hs_code
- 2811 19 80
- Toxicity
- LD50 orally in Rabbit: 3300 mg/kg
- risk_code
- 34-36/37/38
- Signal word
- Danger
- Symbol(GHS)
- GHS05,GHS07,GHS09
- hazard_code
- C,Xi
- safety_code
- 26-36/37/39-45-24/25-37/39-36
- hazard_class
- 8
- Storage Class
- 8B - Non-combustible corrosive hazardous materials
- Hazard statements
- H302-H314-H411
- Limited Quantities
- 5.0 kg (11 lbs) (solid)
- Excepted Quantities
- Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
- REACH Registrations
- Active
- Hazard Classifications
- Acute Tox. 4 OralAquatic Chronic 2Eye Dam. 1Skin Corr. 1C
- Precautionary statements
- P260-P273-P280-P301+P312-P303+P361+P353-P305+P351+P338
Chemistry & industry
Applications
UsesPhosphotungstic acid hydrate has been a useful histology stain for cell specimens.
Uses12-Tungstophosphate hydrate is used in histology as a component for staining of cell specimens. It binds to fibrin, collagen and fibers of connective tissues. It is also used to replace the anions of dyes from these materials. In solution, it acts as a homogeneous catalyst and involved in the hydrolysis of propene to give 2-propanol. It is supported with alumina and silica and act as a heterogeneous catalyst involved in the dehydration of 2-propanol to propene and methanol to hydrocarbons. In analytical chemistry, it is used to precipitate proteins and termed as "universal" precipitant for polar proteins.
UsesPhosphotungstic acid hydrate may be used as a staining agent for the transmission electron microscope (TEM) imaging of cetyltrimethylammonium bromide (CTAB) coated gold nanorods.It may be used in the preparation of:Phosphotungstic acid doped ormosil hybrid networks.Niobia supported phosphotungstic acid (PTA) catalysts.Titanium dioxide (TiO2) nanoparticles /phosphotungstic acid (HPW) films.
General DescriptionPhosphotungstic acid hydrate is a heteropolyacid.
Upstream & downstream products
Upstream raw materials
Downstream products
Suppliers100 total
国药集团化学试剂有限公司
Related reactions
5 records
Compound notes
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