This site requires that javascript be enabled. Please configure your browser in the tools or configuration section.
21157 1305-79-9 Calcium peroxide, typically 65% Alfa Aesar


Certificate of Analysis

Calcium peroxide, typically 65%

CAS: 1305-79-9 MDL: MFCD00015988  EINECS: 215-139-4
UN#:UN1457Hazard Class:5.1Packing Group:II


Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
100g 55.40 Check Availability Add to Favorites Enter qty and click checkbox
500g 146.00 Check Availability Add to Favorites Enter qty and click checkbox

Chemical Properties

Formula: CaO2  Sensitivity: Moisture Sensitive
Formula weight: 72.08  Solubility: Slightly soluble in water. Soluble in acids
Form: Powder 


Rubber stabilizer


Remainder typically calcium hydroxide

Other References

Merck: 14,1689
UN#: UN1457
Harmonized Tariff Code: 2825.90

GHS Hazard and Precautionary Statements

Hazard Statements : H272-H314-H318

May intensify fire; oxidizer. Causes severe skin burns and eye damage. Causes serious eye damage.

Precautionary Statements : P221-P210-P303+P361+P353-P305+P351+P338-P405-P501A

Take any precaution to avoid mixing with combustibles. Keep away from heat/sparks/open flames/hot surfaces. - No smoking. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.


Risk & Safety

Risk Phrases: 8-34
Contact with combustible material may cause fire. Causes burns.
Safety Phrases: 17-20-26-36/37/39-45-60
Keep away from combustible material. When using do not eat or drink. 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). This material and/or its container must be disposed of as hazardous waste.
Corrosive Oxidizing