tetra-SODIUM PYROPHOSPHATE DECAHYDRATE
tetra-SODIUM PYROPHOSPHATE DECAHYDRATE AR/ACS
Short Name: tetra-SODIUM PYROPHOSPHATE DECAHYDRATE
Synonym: Tetrasodium diphosphate
Basic Details
Article No.
LG4253
Grade
AR/ACS
Purity
99%
CAS No.
13472-36-1
HS Code
2835.3900
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
Colorless
Odour
Odorless
pH value
10.3
Melting point/ Freezing point [°C]
79.5
Density [g/cm3]
1.82
Solubility in water [% weight]
Soluble in water
Chemical Specifications
Appearance
Colorless crystals
Assay (acidimetric; as Na4P2O7.10H2O)
99 - 103%
pH (5% solution in water; 25°C)
9.5 - 10.5
Insoluble matter
Max 0.01%
Chloride (Cl)
Max 0.002%
Sulphate (SO4)
Max 0.005%
Niitrogen compounds (N)
Max 0.001%
Heavy metal (as Pb)
Max 0.001%
Iron (Fe)
Max 0.001%
Safety Information & Hazard Symbols
Symbol
GHS07
Signal Word
Warning
Hazardous Statement
H315-H319-H335
Precaution Statement
P261-P305 + P351 + P338