Note: Ingredients listed on restricted chemical lists
EC/CAS
100-97-0
Name of the chemical
Hexamethylenetetramine
Concentration
<=100
General Information
Version
8
Revision date
2025-12-18
Product name
Hexamethylenetetramine
Product Synonyms
HMTA; Hexamine; Methenamine; Hexamethylenetetramine
CAS No.
100-97-0
Emergency telephone
800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Fisher Scientific Company
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H228, H317
Hazard statements
Code
Statements
H228
Flammable solid
Section 2
SECTION 2: Hazards identification
(29 CFR 1910.1200) Classification
Signal word
Warning
Hazard statements
Flammable solid May form combustible dust concentrations in air May cause an allergic skin reaction
Prevention
Avoid breathing dust/fume/gas/mist/vapors/spray Contaminated work clothing should not be allowed out of the workplace Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Ground and bond container and receiving equipment Use explosion-proof electrical/ventilating/lighting equipment Wear protective gloves/protective clothing/eye protection/face protection Skin IF ON SKIN: Wash with plenty of soap and water If skin irritation or rash occurs: Get medical advice/attention Take off contaminated clothing and wash before reuse Fire In case of fire: Use CO2, dry chemical, or foam to extinguish
Storage
Store in a well-ventilated place. Keep container tightly closed
Disposal
Dispose of contents/container to an approved waste disposal plant
2.3 Other hazards
None identified
2.1 Classification of the substance or mixture
This chemical is considered hazardous according to [US] OSHA (29 CFR 1910.1200, 2024) Flammable solids Category 2 Skin Sensitization Category 1 Combustible dust Yes
