Note: Ingredients listed on restricted chemical lists
EC/CAS
107-51-7
Name of the chemical
Octamethyltrisiloxane
Concentration
Page 2 of 17
EC/CAS
556-67-2
Name of the chemical
D4
Concentration
>=0.001-<=0.052
General Information
Revision date
2026-01-06
Product name
DOWSIL OS-20 Fluid
Emergency telephone
1-800-424-9300, 1-989-636-4400
Icons in SDS
Company Information
company name
DOW CHEMICAL CANADA ULC
e-mail address of the competent person responsible for the Safety Data Sheet
SDSQuestion@dow.com
GHS Information
Signal word
DANGER!
Hazard Codes
Hazard statements (CLP)
H226
Hazard statements
Code
Statements
H226
Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Hazard classification This product is hazardous under the criteria of the Hazardous Products Regulation (HPR) as implemented under the Workplace Hazardous Materials Information System (WHMIS 2015) Flammable liquids - Category 3 Physical hazards not otherwise classified - Category 1
Hazard pictograms
® ™ Trademark of The Dow Chemical Company ("Dow") or an affiliated Page 1 of 17 company of Dow
Signal word
DANGER! H226 Flammable liquid and vapour. May become electrostatically charged. Sparks may ignite liquid and vapor.
Prevention
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P223 Do not allow contact with water. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof electrical/ ventilating/ lighting equipment. P241 Use explosion-proof electrical equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P280 Wear protective gloves, protective clothing, eye protection, face protection and/or hearing protection.
Response
P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P370 + P378 In case of fire: Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide to extinguish.
Storage
P403 + P235 Store in a well-ventilated place. Keep cool.
Disposal
P501 Dispose of contents and/or container to an approved waste disposal plant. P502 Refer to manufacturer or supplier for information on recovery or recycling.
Other hazards
No data available
2.1 Classification of the substance or mixture
This product is hazardous under the criteria of the Hazardous Products Regulation (HPR) as implemented under the Workplace Hazardous Materials Information System (WHMIS 2015). Flammable liquids - Category 3 Physical hazards not otherwise classified - Category 1