Note: Ingredients listed on restricted chemical lists
EC/CAS
215-181-3/1310-58-3
Name of the chemical
potassium hydroxide
Concentration
3-<5
EC/CAS
215-185-5/1310-73-2
Name of the chemical
sodium hydroxide
Concentration
<0.3
General Information
Version
4.9
Revision date
2026-01-30
Product name
PROUD
1.2.1 Relevant identified uses
Cleaner
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)
H314, H318
Hazard statements
Code
Statements
H314
Causes severe skin burns and eye damage
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Contains
SODIUM METASILICATE PENTAHYDRATE & POTASSIUM HYDROXIDE
Signal word
Danger
Hazard statements
H314 - Causes severe skin burns and eye damage
Precautionary statements
P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. P301+ P330 + P331 - IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P310 - Immediately call a POISON CENTER or doctor P260 - Do not breathe vapors. P280 - Wear protective gloves/protective clothing/eye protection. 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 Skin corrosion: Category 1B Serious damage to eyes: Category 1 H314 - Causes severe skin burns and eye damage H318 - Causes serious eye damage
