Decamethylcyclopentasiloxane

• CAS: 541-02-6
• Catalog Number: ACM541026
• Category: Siloxanes
• Molecular Weight: 370.77 g/mol
• Molecular Formula: C10H30O5Si5
• Description: Decamethylcyclopentasiloxane (D5) is an organosilicon compound with the formula [(CH3)2SiO]5. It is a colorless and odorless liquid that is slightly volatile. The compound is classified as a cyclomethicone. Such fluids are commonly used in cosmetics, such as deodorants, sunblocks, hair sprays and skin care products. It is becoming more common in hair conditioners, as it makes the hair easier to brush without breakage. It is also used as part of silicone based personal lubricants. D5 is considered an emollient. In Canada, among the volume used in consumer products approximately 70% were for antiperspirants and 20% for hair care products.
• Synonyms: Cyclopentasiloxane, decamethyl-;DecaMethylcyclopentasiloxane;2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane;D5 Cyclomethicone
• IUPAC Name: Decamethylcyclopentasiloxane
• Boiling Point: 101 °C
• Melting Point: -44ºC
• Flash Point: 162 °F
• Density: 0.958
• Solubility: Insoluble in water.
• Appearance: Liquid
• Application: It widely used in cosmetics and body care products, Such as skin care, sunscreen,makeup, hair conditioning products, good compatibility with most of the alcohol and other cosmetic solvents. Be directly used as the carrier, the main raw material, also can be used as an additive; and be used in aqueous systems by the method of Emulsification.
• Storage: Under the room temperature and away from light
• EC Number: 208-764-9
• Exact Mass: 370.09400
• Hazard Codes: Xi
• Hazard Statements: H413
• HS Code: 29310095
• LogP: 3.59200
• MDL Number: MFCD00046966
• Packaging: 10 g; 100 g
• Precautionary Statements: P501 : Dispose of contents/ container to an approved waste disposal plant.; P273 : Avoid release to the environment.; P264 : Wash skin thoroughly after handling.; P280 : Wear eye protection/ face protection.; P337 + P313 : If eye irritation persists: Get medical advice/ attention.; P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• PSA: 46.15
• PubChem ID: 87568353
• Refractive Index: 1.396
• Safety Description: S23-S24/25
• Signal Word: Warning
• Specific Gravity: 0.96
• Stability: Stable. Incompatible with strong oxidizing agents.
• WGK Germany: 2

Custom Q&A

What is the molecular formula of Decamethylcyclopentasiloxane?

The molecular formula of Decamethylcyclopentasiloxane is C10H30O5Si5.

What is the molecular weight of Decamethylcyclopentasiloxane?

The molecular weight of Decamethylcyclopentasiloxane is 370.77 g/mol.

What is the IUPAC name of Decamethylcyclopentasiloxane?

The IUPAC name of Decamethylcyclopentasiloxane is 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane.

What is the InChI key of Decamethylcyclopentasiloxane?

The InChI key of Decamethylcyclopentasiloxane is XMSXQFUHVRWGNA-UHFFFAOYSA-N.

What is the CAS number of Decamethylcyclopentasiloxane?

The CAS number of Decamethylcyclopentasiloxane is 541-02-6.

What are the synonyms of Decamethylcyclopentasiloxane?

The synonyms of Decamethylcyclopentasiloxane are DECAMETHYLCYCLOPENTASILOXANE, Cyclopentasiloxane, decamethyl-, Cyclomethicone 5, 2,2,4,4,6,6,8,8,10,10-Decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane.

What is the hydrogen bond donor count of Decamethylcyclopentasiloxane?

The hydrogen bond donor count of Decamethylcyclopentasiloxane is 0.

What is the hydrogen bond acceptor count of Decamethylcyclopentasiloxane?

The hydrogen bond acceptor count of Decamethylcyclopentasiloxane is 5.

What is the topological polar surface area of Decamethylcyclopentasiloxane?

The topological polar surface area of Decamethylcyclopentasiloxane is 46.2 Ų.

What is the heavy atom count of Decamethylcyclopentasiloxane?

The heavy atom count of Decamethylcyclopentasiloxane is 20.