Note: Ingredients listed on restricted chemical lists
EC/CAS
215-181-3/1310-58-3
Name of the chemical
potassium hydroxide
Concentration
25-<50
General Information
Version
5.1
Revision date
2026-01-30
Product name
DC DRAIN THICK
Emergency telephone
01 809 2166
Icons in SDS
Company Information
company name
NCH UK & Ireland
e-mail address of the competent person responsible for the Safety Data Sheet
technical_uk@nch.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H302, H314, H318
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Contains
POTASSIUM HYDROXIDE
Signal word
Danger
Hazard statements
H302 - Harmful if swallowed H314 - Causes severe skin burns and eye damage
Precautionary statements
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. 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 P280 - Wear protective gloves/protective clothing/eye protection. P260 - Do not breathe vapors. For industrial and institutional use only. Keep out of reach of children
2.3 Other hazards
No additional hazards identified.
2.1 Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008 (CLP/GHS) and its adaptations Acute toxicity: Category 4 Skin corrosion: Category 1A Serious damage to eyes: Category 1 H302 - Harmful if swallowed H314 - Causes severe skin burns and eye damage H318 - Causes serious eye damage
