Note: Ingredients listed on restricted chemical lists
EC/CAS
203-497-4/107-51-7
Name of the chemical
Octamethyltrisiloxane
Concentration
>=0.001-<=0.052
EC/CAS
209-136-7/556-67-2
Name of the chemical
D4
Concentration
>=99.0-<=100.0
General Information
Version
12.0
Revision date
2025-06-06
Product name
DOWSIL OS-20 Fluid
CAS No.
107-51-7
REACH No
UK-01-4273948457-6-0001
Emergency telephone
0031 115 694 982, 00 31 115 69 4982
Icons in SDS
Company Information
company name
DOW CHEMICAL COMPANY LIMITED
e-mail address of the competent person responsible for the Safety Data Sheet
SDSQuestion@dow.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H226, H412
Hazard statements
Code
Statements
H226
Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Hazard statements
H226 Flammable liquid and vapour. H412 Harmful to aquatic life with long lasting effects.
Precautionary statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P273 Avoid release to the environment. 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. P403 + P235 Store in a well-ventilated place. Keep cool. P501 Dispose of contents/ container to an approved waste disposal plant.
Other hazards
Static-accumulating flammable liquid. This product contains octamethylcyclotetrasiloxane (D4) that has been identified by the Member State Committee of ECHA as fulfilling the PBT and vPvB criteria laid down in Annex XIII to Regulation (EC)
2.1 Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008, as retained and amended in UK law Flammable liquids - Category 3 - H226 ® ™ Trademark of The Dow Chemical Company ("Dow") or an affiliated Page 1 of 20 company of Dow Long-term (chronic) aquatic hazard - Category 3 - H412 For the full text of the H-Statements mentioned in this Section, see Section 16.
