Note: Ingredients listed on restricted chemical lists
EC/CAS
84665-66-7
Name of the chemical
Magnesium monoperoxyphthalate hexahydrate
Concentration
N/A
General Information
Version
6.6
Revision date
2025-07-22
Product name
Magnesium bis(monoperoxyphthalate) hexahydrate
CAS No.
84665-66-7
1.2.1 Relevant identified uses
Laboratory chemicals, Synthesis of substances
1.2.2. Uses advised against
The product is being supplied under the TSCA R&D Exemption
Emergency telephone
800-424-9300, +1-703- 527-3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H242, H314, H332, H402
Hazard statements
Code
Statements
H242
Heating may cause a fire
Section 2
SECTION 2: Hazards identification
Other hazards
None known
Signal word
Danger
Hazard statements
H242 Heating may cause a fire. H314 Causes severe skin burns and eye damage. H332 Harmful if inhaled. H402 Harmful to aquatic life.
Prevention
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P234 Keep only in original packaging. P240 Ground and bond container and receiving equipment. P260 Do not breathe dust. P264 Wash skin thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves, protective clothing, eye protection and face protection.
Response
P301 + P330 + P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. P305 + P351 + P338 + P310 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/ doctor. P363 Wash contaminated clothing before reuse. P370 + P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
Storage
P403 + P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P410 Protect from sunlight. P420 Store separately.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
2.1 Classification of the substance or mixture
(29 CFR 1910.1200) Organic peroxides : Type E Acute toxicity : Category 4 (Inhalation) Skin corrosion : Sub-category 1C Serious eye damage : Category 1 Short-term (acute) : Category 3 aquatic hazard Other hazards
