Hexamethylene tetramine

Tennants Distribution Limited

Revision date : 2026-01-21

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GHS02 GHS07
Health risk rating 4
Safety risk rating 3
Environmental risk rating 1

Note: Ingredients listed on restricted chemical lists

EC/CAS

202-905-8/100-97-0

Name of the chemical

Hexamethylenetetramine

Concentration

>=90 - <=100 %

General Information

Version

12

Revision date

2026-01-21

Product name

Hexamethylene tetramine

Product name

Hexamethylene tetramine

Identification on the label/Trade name

Hexamethylene tetramine course crystalline

CAS No.

100-97-0

REACH No

01-2119474895-20-XXXX

1.2.1 Relevant identified uses

Industrial use, chemical

Emergency telephone

44(0) 844 3350001

Icons in SDS

GHS02 GHS07 M004 M009 M010 M011 M017

Company Information

company name

Tennants Distribution Limited

e-mail address of the competent person responsible for the Safety Data Sheet

msds@tennantsdistribution.com

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H228, H317

Hazard statements

Code

Statements

H228

Flammable solid

Section 2

SECTION 2: Hazards identification

Regulation, UK SI 2019/720, and UK SI 2020/1567 Classification of the substance or mixture

Hazard statements

H228 Flammable solid. H317 May cause an allergic skin reaction.

Precautionary statements

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P241 Use explosion-proof electrical/ventilating/lighting equipment. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection.

Response

P333 + P313 If skin irritation or rash occurs: Get medical advice/ attention. Acquisition, possession or use by the general public is restricted.

Hazardous Ingredients

Hexamethylenetetramine

2.3 Other hazards

This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.

2.1 Classification of the substance or mixture

Classification (EC) No 1272/2008 as amended by GB-CLP Regulation, UK SI 2019/720, and UK SI 2020/1567) Flammable solids, Category 2 H228: Flammable solid. Skin sensitisation, Category 1 H317: May cause an allergic skin reaction. 2.2 Label elements Label in accordance with (EC) No 1272/2008 as amended by GB-CLP Regulation, UK SI 2019/720, and UK SI 2020/1567) Signal Word: Warning Hazard Statements H228 Flammable solid. H317 May cause an allergic skin reaction. Precautionary Statements P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P241 Use explosion-proof electrical/ventilating/lighting equipment. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection. Response P333 + P313 If skin irritation or rash occurs: Get medical advice/ attention. Acquisition, possession or use by the general public is restricted. Hazardous components which must be listed on the label: Hexamethylenetetramine 2.3 Other hazards This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher. 3. COMPOSITION/INFORMATION ON INGREDIENTS 3.2 Mixtures Substance name: Hexamethylenetetramine. Concentration: >=90 - <=100 % w/w EC No. 202-905-8 CAS No. 100-97-0 Index No. 612-101-00-2 4. FIRST AID MEASURES 4.1 Description of first aid measures General information In the case of accident or if you feel unwell, seek medical advice immediately. When symptoms persist or in all cases of doubt seek medical advice. Protection of first aiders First Aid responders should pay attention to self-protection and use the recommended personal protective equipment when the potential for exposure exists. Inhalation If inhaled, remove to fresh air. Get medical attention if symptoms occur. Skin contact In case of contact, immediately flush skin with soap and plenty of water. Remove contaminated clothing and shoes. Get medical attention. Wash clothing before reuse. Thoroughly clean shoes before reuse. Eye contact If in eyes, rinse well with water. Get medical attention if irritation develops and persists. Ingestion If swallowed, DO NOT induce vomiting. Get medical attention if symptoms occur. Rinse mouth thoroughly with water. 4.2 Most important symptoms and effects, both acute and delayed Risks May cause an allergic skin reaction. 4.3 Indication of immediate medical attention and special treatment needed Treatment: Treat symptomatically and supportively. 5. FIRE FIGHTING MEASURES Extinguishing Media Suitable extinguishing media: Water spray, Alcohol-resistant foam, Carbon dioxide (CO2), Dry chemical Unsuitable extinguishing media: High volume water jet. Special hazards arising from the substance or mixture Specific hazards during fire-fighting: Do not use a solid water stream as it may scatter and spread fire. Exposure to combustion products may be a hazard to health. Hazardous combustion products: Nitrogen oxides (NOx), carbon oxides, formaldehyde, hydrogen cyanide (hydrocyanic acid), ammonia. Advice for fire-fighters Special protective equipment for fire-fighters: In the event of fire, wear self-contained breathing apparatus. Use

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