PHOSPHOTUNGSTIC ACID
PHOSPHOTUNGSTIC ACID AR
Reagent for microscopy.
Short Name: PHOSPHOTUNGSTIC ACID
Synonym: Tungstophosphoric acid
Basic Details
Article No.
LG3554
Grade
AR
Purity
CAS No.
12501-23-4
HS Code
2811.1990
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White to yellowish
Odour
Odorless
Melting point/ Freezing point [°C]
95 °C
Solubility in water [% weight]
200 g/100 g water
Chemical Specifications
Appearance
White to yellow to beige to grey powder or crystals
Chloride (Cl)
Max 0.005%
Sulphate (SO4)
Max 0.01%
Total nitrogen (N)
Max 0.002%
Lead (Pb)
Max 0.002%
Iron (Fe)
Max 0.002%
Potassium (K)
Max 0.02%
Copper (Cu)
Max 0.001%
Sodium (Na)
Max 0.02%
Loss on ignition (at 750°C)
Max 17%
Safety Information & Hazard Symbols
Symbol
GHS05
Signal Word
Danger
UN No.
3260
IMCO Class No.
8
Packing Group
II
Hazardous Statement
H314
Precaution Statement
P280-P305 + P351 + P338-P310