Tungstophosphoric Acid Hydrate GR 100Grm

for analysis EMSURE®

Manufacturer: Merck

Catalog ID: 100583.0100

Stock: In Stock

 

Description

Catalogue Number 100583
Replaces PX1055; PX1055-4
Synonyms Phosphotungstic acid
Description Tungstophosphoric acid hydrate

Product Information

CAS number 12501-23-4
EC number 215-682-7
Hill Formula H₃O₄₀PW₁₂ * x H₂O
Chemical formula H₃[P(W₃O₁₀)₄] * x H₂O
Molar Mass 2880.17 g/mol (anhydrous)
HS Code 2811 19 80

Physicochemical Information

Melting Point 107 °C
pH value 1.3 (20 g/l, H₂O, 20 °C)
Bulk density 960 kg/m3

Toxicological Information

LD 50 oral LD50 Rat 3300 mg/kg

Storage and Shipping Information

Storage Store at +15°C to +25°C.

Specifications

Chloride (Cl) ≤ 50 ppm
Sulfate (SO₄) ≤ 100 ppm
Cu (Copper) ≤ 10 ppm
Fe (Iron) ≤ 20 ppm
K (Potassium) ≤ 200 ppm
Na (Sodium) ≤ 200 ppm
Pb (Lead) ≤ 20 ppm
Loss on ignition (750 °C) ≤ 17 %
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