General Information
Version
6.10
Revision date
2026-06-16
Product name
Potassium periodate
CAS No.
7790-21-8
1.2.1 Relevant identified uses
Laboratory chemicals, Synthesis of substances
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)
H271, H314, H372, H400
Hazard statements
Code
Statements
H271
May cause fire or explosion; strong oxidiser
Section 2
SECTION 2: Hazards identification
Other hazards
None known
Signal word
Danger
Hazard statements
H271 May cause fire or explosion; strong oxidizer. H314 Causes severe skin burns and eye damage. H372 Causes damage to organs (Thyroid) through prolonged or repeated exposure. H400 Very toxic to aquatic life.
Prevention
P210 Keep away from heat. P220 Keep/ Store away from clothing/ combustible materials. P221 Take any precaution to avoid mixing with combustibles. P260 Do not breathe dust. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P283 Wear fire/ flame resistant/ retardant clothing.
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. P306 + P360 IF ON CLOTHING: rinse immediately contaminated clothing and skin with plenty of water before removing clothes. P314 Get medical advice/ attention if you feel unwell. P363 Wash contaminated clothing before reuse. P370 + P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. P371 + P380 + P375 In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion. P391 Collect spillage.
Storage
P405 Store locked up.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
2.1 Classification of the substance or mixture
(29 CFR 1910.1200) Hazards for the product as supplied Oxidizing solids : Category 1 Skin corrosion : Category 1C Serious eye damage : Category 1 Specific target organ : Category 1 (Thyroid) toxicity - repeated exposure Short-term (acute) : Category 1 aquatic hazard Other hazards
