CAS No. 7727-21-1

Appearance	White crystalline powder
Purity [K2S2O8]	99.0% min
Free Acid	0.1% max
Iron(Fe)	0.001%max
Moisture	0.15%max
Ammonium Salt	0.50%max
Active oxygen	5.86%min
Heavy metal (as Pb)	0.0005 %max
Manganese(Mn)	0.0001%max

Molecular Formula: K2O8S2
Molecular Weight: 270.32
Hazard Symbols: O,Xn
UN Number: UN 1492 5.1/PG 3
WGKGermany: 1
PackingGroup: III
HS Code: 2833 40 00

More details are to be found on supplier website

1 UNno:1492

Purity: 99,0%

Assay	≥ 99.0%
Active oxygen	≥ 5.85%
Chloride and chlorate(as Cl)	≤ 0.02%
Manganese(Mn)	≤ 0.0003%
Iron(Fe)	≤ 0.001%
Heavy metals(as Pb)	≤ 0.002%
Moisture	≤ 0.15%

Synonyms: DI-POTASSIUM PEROXODISULPHATE;DIPOTASSIUM PEROXYDISULFATE;BETZ 2701;TNP-201 DECOMPOSITION SOLUTION 1;anthion;dipotassiumpersulfate;peroxydisulfuricacid([(ho)s(o)2]2o2),dipotassiumsalt;Peroxydisulfuricacid,dipotassiumsalt
CAS: 7727-21-1
MF: K2O8S2
MW: 270.32
EINECS: 231-781-8
Product Categories: Inorganics
Mol File: 7727-21-1.mol
Potassium persulfate Chemical Properties
mp 1067 °C
bp 1689 °C
density 2.47
vapor density 9.3 (vs air)
solubility H2O: 0.5 M at 20 °C, clear, colorless
Water Solubility 5 g/100 mL (20 ºC)
Merck 14,7656
Stability: Stable. Strong oxidizer. Incompatible with strong reducing agents, organic materials, combustible materials.
CAS DataBase Reference 7727-21-1(CAS DataBase Reference)
EPA Substance Registry System Peroxydisulfuric acid ([(HO)S(O)2]2O2), dipotassium salt(7727-21-1)
Safety Information
Hazard Codes O,Xn
Risk Statements 8-22-36/37/38-42/43
Safety Statements 22-24-26-37
RIDADR UN 1492 5.1/PG 3
WGK Germany 1
RTECS TT5900000
HazardClass 5.1
PackingGroup III
Hazardous Substances Data 7727-21-1(Hazardous Substances Data)
Item Specifications Results
Appearance White crystalline powder White crystalline powder
Assay ≥99.0% 99.11%
Active Oxygen ≥5.85% 5.87%
Chloride and chlorate(as Cl) ≥0.02% 0.003%
Manganese(as Mn) ≤0.0003% 0.00006%
Iron(as Fe) ≤0.001% 0.0003%
Heavy metals ≤0.002% 0.0006%
Miosture ≤0.15% 0.02%
Conclusion The results conforms with Enterprise standards