Note: Ingredients listed on restricted chemical lists
EC/CAS
1305-62-0
Name of the chemical
Calcium dihydroxide
Concentration
25
General Information
Version
1.3
Revision date
2026-01-21
Product name
TersOx Powder
Product Synonyms
Calcium Peroxide, Calcium Superoxide, and TersOx™ Peroxygen
1.2.1 Relevant identified uses
For use in stimulating biological activity in soils and sludges Remediation of contaminated groundwater and soils
1.2.2. Uses advised against
Use as recommended by the label
supplier name
Tersus Environmental, LLC
Emergency telephone
+1-919-453-5577, +1-919-638-7892, +1-800-424-9300
Icons in SDS
Company Information
company name
Tersus Environmental, LLC
e-mail address of the competent person responsible for the Safety Data Sheet
info@tersusenv.com
GHS Information
Signal word
DANGER!
Hazard Codes
Hazard statements (CLP)
H272, H318, H335
Hazard statements
Code
Statements
H272
May intensify fire; oxidiser
Section 2
SECTION 2: Hazards identification
(29 CFR 1910.1200) Classification
Signal word
DANGER!
Hazard statements
Causes serious eye damage (H318) May cause respiratory irritation (H335) May intensify fire; oxidizer (H272)
Prevention
P280 - Wear eye protection/ face protection P261 - Avoid breathing dust. P271 - Use only outdoors or in a well-ventilated area P210 - Keep away from heat P220 - Keep/Store away from clothing/combustible materials P221 - Take any precaution to avoid mixing with combustibles P362 + P364 – Take off contaminated clothing and wash it before reuse.
Response
P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P310 - Immediately call a POISON CENTER or doctor P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P312 - Call a POISON CENTER or doctor if you feel unwell P370 + P378 - In case of fire: Use water spray for extinction
Storage
P403 - Store in a well-ventilated place 2.2.7 Precautionary Statements (Disposal) P501 - Dispose of contents/ container to an approved waste disposal plant
2.3 Other hazards
Reacts with moisture to liberate oxygen 2.4 Unknown Acute Toxicity 0% of the mixture consists of ingredient(s) of unknown toxicity
2.1 Classification of the substance or mixture
OSHA Regulatory Status This material is considered hazardous by the OSHA Hazard Communication Standard (29 CFR 1910.1200). Serious eye damage/eye irritation Category 1 Specific target organ toxicity (single exposure) Category 3 Oxidizing Solids Category 2
