DN 501

NCH UK & Ireland

Revision date : 2026-01-30

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GHS09 GHS05
Health risk rating 3
Safety risk rating 1
Environmental risk rating 5

Note: Ingredients listed on restricted chemical lists

EC/CAS

270-325-2/68424-85-1

Name of the chemical

Alkyl (C12-16) dimethylbenzyl ammonium chloride

Concentration

5-<10

General Information

Version

4.7

Revision date

2026-01-30

Product name

DN 501

1.2.1 Relevant identified uses

Fungicide

Emergency telephone

01 809 2166

Icons in SDS

GHS05 GHS09 M004 M008 M009 M010 M011 M013 M017

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, H410

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

QUATERNARY AMMONIUM COMPOUNDS BENZYL C12-16 ALKYL DIMETHYL CHLORIDES

Signal word

Danger

Hazard statements

H314 - Causes severe skin burns and eye damage H410 - Very toxic to aquatic life with long lasting effects

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 P301+ P330 + P331 - IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P310 - Immediately call a POISON CENTER or doctor P280 - Wear protective gloves/protective clothing/eye protection/face protection P273 - Avoid release to the environment P260 - Do not breathe vapors. Keep out of reach of children For industrial and institutional use only. Use biocides safely. Always read the label and product information before use

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 Aquatic chronic: Category 1 Skin corrosion: Category 1B Serious damage to eyes: Category 1 H314 - Causes severe skin burns and eye damage H410 - Very toxic to aquatic life with long lasting effects H318 - Causes serious eye damage

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