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11105-11-6

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Basic Information
CAS No.: 11105-11-6
Name: TUNGSTIC ACID
Article Data: 4
Molecular Structure:
Molecular Structure of 11105-11-6 (TUNGSTIC ACID)
Formula: H2O . x O3 W
Molecular Weight: 249.863
Synonyms: Tungsticacid; Hydrogen tungsten bronze; Tungsten oxide hydrate (WO3?ánH2O); Tungsten trioxide hydrate;Wolframic acid
Density: g/cm3
Boiling Point: °Cat760mmHg
Flash Point: °C
Hazard Symbols: Toxic material. TLV: 5 mg(W)/m3.
Safety: A severe eye irritant. See also TUNGSTEN COMPOUNDS.
PSA: 60.44000
LogP: -0.42070
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Chemistry

 Tungstic acid with CAS refister number of 11105-11-6 is called for Kyselinawolframova ; Tungstic(VI) acid ; Kyselina wolframova [Czech] ; CID197901 ; LS-158207 ,and so on.The monohydrate of Tungstic acid (CAS No.11105-11-6) is a yellow solid and insoluble in water.
IUPAC Name: Trioxotungsten hydrate
CAS: 11105-11-6
Molecular Formula: H2O4W
Molecular Weight: 249.8535
Molecular structure:
H bond acceptors: 3 
H bond donors: 0 
Freely Rotating Bonds: 0 
Exact Mass: 249.946241
MonoIsotopic Mass: 249.946241
Topological Polar Surface Area: 52.2
Heavy Atom Count: 5
Formal Charge: 0
Complexity: 61.8
Isotope Atom Count: 0
Defined Atom StereoCenter Count: 0
Undefined Atom StereoCenter Count: 0
Defined Bond StereoCenter Count: 0
Undefined Bond StereoCenter Count: 0
Covalently-Bonded Unit Count: 2

Uses

 Tungstic acid (CAS No.11105-11-6) is commonly used as chemical reagent.

Toxicity Data With Reference

1.    

eye-rbt 500 mg/24H SEV

     28ZPAK    Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,19.

Safety Profile

 Tungstic acid (CAS No.11105-11-6) may cause a severe eye irritant.

Standards and Recommendations

OSHA PEL: TWA 1 mg(W)/m3; STEL 3 mg(W)/m3
ACGIH TLV: TWA 1 mg(W)/m3; STEL 3 mg(W)/m3
NIOSH REL: TWA 1 mg(W)/m3