• USA Home
  • 8.18401 - Potassium hydrogen monopersulfate

8.18401 EMD Millipore

Potassium hydrogen monopersulfate

Potassium hydrogen monopersulfate for synthesis. CAS No. 70693-62-8, EC Number 274-778-7., for synthesis

Synonym: PMPS, KMPS

  • CAS Number 70693-62-8

  • Linear Formula H₃K₅O₁₈S₄

  • Molecular Weight 614.76 g/mol

  •  EC Number 274-778-7



packaging   100 g in Plastic bottle (8184010100)
solubility   250 - 300 g/l soluble
density   2.35 g/cm3 (20 °C)
pH   2 - 3 (10 g/l, H₂O, 20 °C)
LD 50 oral   LD50 Rat > 2000 mg/kg
shipped in   ambient
storage temp.   Store at <= 20°C.
specifications   Assay (iodometric): 43.0 - 47.0 %

Price and Availability

Ask us for bulk and customization needs

My Chemicals
Safety & Documentation

Safety Information

HS Code 
2833 40 00
Hazard Statement(s) 
H314: Causes severe skin burns and eye damage.
H335: May cause respiratory irritation.
Precautionary Statement(s) 
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Storage class 
8B Non-combustible, corrosive hazardous materials
WGK 1 slightly water endangering
Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I.
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Corrosive  Corrosive
Hazard Symbols 
Oxidising  Oxidising
Declaration (railroad and road) ADR, RID 
UN 3260 , 8, III
Declaration (transport by air) IATA-DGR 
UN 3260 , 8, III
Declaration (transport by sea) IMDG-Code 
UN 3260 , 8, III, Segregation Group: 1 (Acids)
Categories of danger 
oxidizing, corrosive
R Phrase 
R 8-34-37
Contact with combustible material may cause fire.Causes burns.Irritating to respiratory system.
S Phrase 
S 17-26-36/37/39-45
Keep away from combustible material.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Protocols & Articles
Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?