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Ammonium peroxodisulfate, Ammonium peroxydisulfate


500 g (00500)

5000 g (05000)

25 Kg (0025K)

50 Kg (0050K)

1PW1200500 1PW1206500 1PDL00030K 1PDLP0065K
Article No. 01321 Grade AR/ACS
Purity 98% CAS No. 7727-54-0
Molecular Formula (NH4)2S2O8 Molecular Weight 228.19
H.S. Code 2833.4000 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 1 - 2
Melting point/ Freezing point [°C] 120°C Vapour density 7.88
Density [g/cm3] 1.98 Solubility in water [% weight] 228 g/l at 20 °C
Oxidising properties The substance or mixture is classified as oxidizing with the subcategory 3


Appearance White crystalline powder Assay (by KMnO4 titration) Min 98.0%
Insoluble matter in water Max 0.005% Titrable free acid Max 0.04 meq/g
Chloride & chlorates (as Cl) Max 0.001% Iron (Fe) Max 0.001%
Heavy metal (as Pb) Max 0.005% Manganese (Mn) Max 0.00005%
Residue on ignition (as SO4) Max 0.05%

Safety Information and Hazard Symbols

Flame Over Circle Exclamation Mark Health Hazard
Symbol: GHS03, GHS07, GHS08
Signal Word: Danger
UN No.: 1444
IMCO Class No.: 5.1
Packing Group: III
Hazardous Statement: H272-H302-H315-H317-H319-H334-H335
Precaution Statement: P220-P261-P280-P305 + P351 + P338-P342 + P311
Revision Date: 08-Sep-2015

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