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Merck
CN

24-2840

Phosphotungstic acid hydrate

SAJ special grade

Synonym(s):

Tungstophosphoric acid

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About This Item

Linear Formula:
H3[P(W3O10)4] · xH2O
CAS Number:
Molecular Weight:
2880.05 (anhydrous basis)
UNSPSC Code:
12352300
PubChem Substance ID:
MDL number:
Form:
crystalline
Grade:
SAJ special grade
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grade

SAJ special grade

form

crystalline

availability

available only in Japan

mp

~95 °C (lit.)

SMILES string

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

InChI

1S/H3O4P.H2O.36O.12W/c1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h(H3,1,2,3,4);1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

InChI key

AVFBYUADVDVJQL-UHFFFAOYSA-N



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Signal Word

Danger

Hazard Codes

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1C

Storage Class

8B - Non-combustible corrosive hazardous materials

WGK

WGK 2

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges



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