Note: Ingredients listed on restricted chemical lists
EC/CAS
556-67-2
Name of the chemical
D4
Concentration
<=100
General Information
Version
6
Revision date
2024-04-07
Product name
Octamethylcyclotetrasiloxane
Product Synonyms
Cyclic dimethylsiloxane tetramer
CAS No.
556-67-2
supplier name
Fisher Scientific UK
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
Fisher Scientific UK
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H226, H361, H410
Hazard statements
Code
Statements
H226
Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Liquid Colorless Odorless Emergency Overview Flammable liquid and vapor. Suspected of damaging fertility or the unborn child. Very toxic to aquatic life with long lasting effects.
2.1 Classification of the substance or mixture
Flammable liquids. Category 3 Reproductive Toxicity Category 2 Chronic aquatic toxicity Category 1
Signal word
Warning
Hazard statements
H226 - Flammable liquid and vapor H410 - Very toxic to aquatic life with long lasting effects H361 - Suspected of damaging fertility or the unborn child
Prevention
P201 - Obtain special instructions before use P202 - Do not handle until all safety precautions have been read and understood P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P233 - Keep container tightly closed P240 - Ground and bond container and receiving equipment P241 - Use explosion-proof electrical/ ventilating/ lighting equipment P242 - Use non-sparking tools P243 - Take action to prevent static discharges P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower P308 + P313 - IF exposed or concerned: Get medical advice/attention P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish
Storage
P403 + P235 - Store in a well-ventilated place. Keep cool
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Flammable liquid. Vapors may cause flash fire or explosion.
Health hazards
Suspected of damaging fertility or the unborn child.
Environmental hazards
Very toxic to aquatic life with long lasting effects. . Is not likely mobile in the environment due its low water solubility. Spillage unlikely to penetrate soil. The product is insoluble and floats on water. The product evaporates slowly.
2.3 Other hazards
Contains a known or suspected endocrine disruptor. Contains a substance on the National Authorities Endocrine Disruptor Lists.
