Note: Ingredients listed on restricted chemical lists
EC/CAS
1310-58-3
Name of the chemical
potassium hydroxide
Concentration
85-100
General Information
Revision date
2026-01-09
Product name
Potassium hydroxide
CAS No.
1310-58-3
Emergency telephone
+64 9 980 6780
Icons in SDS
Company Information
company name
Thermo Fisher Scientific New Zealand Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
ANZinfo@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H290, H301, H314, H413
Hazard statements
Code
Statements
H290
May be corrosive to metals
Section 2
SECTION 2: Hazards identification
Classified as hazardous in accordance with the criteria of EPA New Zealand Classification under Work Safe New Zealand Classified as hazardous in accordance with the criteria of EPA New Zealand HSNO Approval Number HSR001546 GHS Classification
Physical hazards
Substances/mixtures corrosive to metal Category 1
Health hazards
Acute Oral Toxicity Category 3 Skin Corrosion/Irritation Category 1 A Serious Eye Damage/Eye Irritation Category 1
Environmental hazards
Chronic aquatic toxicity Category 4 ______________________________________________________________________________________________
Signal word
Danger
Hazard statements
H290 - May be corrosive to metals H314 - Causes severe skin burns and eye damage H301 - Toxic if swallowed H413 - May cause long lasting harmful effects to aquatic life
Prevention
P234 - Keep only in original packaging P264 - Wash face, hands and any exposed skin thoroughly after handling P270 - Do not eat, drink or smoke when using this product P271 - Use only outdoors or in a well-ventilated area P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing 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 P330 - Rinse mouth P331 - Do NOT induce vomiting P363 - Wash contaminated clothing before reuse P390 - Absorb spillage to prevent material damage
Storage
P402 - Store in a dry place P403 + P233 - Store in a well-ventilated place. Keep container tightly closed P406 - Store in corrosion resistant polypropylene container with a resistant inliner
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other hazards which do not result in classification
Toxic to terrestrial vertebrates This product does not contain any known or suspected endocrine disruptors
2.1 Classification of the substance or mixture
Physical hazards Substances/mixtures corrosive to metal Category 1 Health hazards Acute Oral Toxicity Category 3 Skin Corrosion/Irritation Category 1 A Serious Eye Damage/Eye Irritation Category 1 Environmental hazards Chronic aquatic toxicity Category 4