Note: Ingredients listed on restricted chemical lists
General Information
Version
4
Revision date
2025-12-22
Product name
Hexamethyldisiloxane
Product Synonyms
HMDSO
CAS No.
107-46-0
Emergency telephone
001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Thermo Fisher Scientific Chemicals, Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H410
Hazard statements
Code
Statements
H410
Very toxic to aquatic life with long lasting effects
Section 2
SECTION 2: Hazards identification
(29 CFR 1910.1200) Classification
Signal word
Danger Hazard Statements Highly flammable liquid and vapor
Prevention
Do not breathe dust/fume/gas/mist/vapors/spray Use only outdoors or in a well-ventilated area Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Keep container tightly closed Ground and bond container and receiving equipment Use explosion-proof electrical/ventilating/lighting equipment Wear protective gloves/protective clothing/eye protection/face protection Keep cool Take action to prevent static discharges Use non-sparking tools
Response
Get medical attention/advice if you feel unwell Inhalation IF INHALED: Remove person to fresh air and keep comfortable for breathing Call a POISON CENTER or doctor if you feel unwell Skin IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower Fire In case of fire: Use CO2, dry chemical, or foam to extinguish
Storage
Store in a well-ventilated place. Keep container tightly closed Store locked up
Disposal
Dispose of contents/container to an approved waste disposal plant
2.3 Other hazards
Very toxic to aquatic life with long lasting effects
2.1 Classification of the substance or mixture
This chemical is considered hazardous according to [US] OSHA (29 CFR 1910.1200, 2024) Flammable liquids
