Decamethylcyclopentasiloxane, 97%, Thermo Scientific Chemicals

Description

Decamethylcyclopentasiloxane is employed in cosmetics like deodorants, sunblocks, hair sprays and personal care products. Furthermore, it is used in silicone based personal lubricants. In addition, it is a cyclic volatile methylsiloxane used in hair conditioners, thereby brushing the hair without breakage.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 541-02-6
• Molecular Formula: C10H30O5Si5
• Molecular Weight (g/mol): 370.77
• MDL Number: MFCD00046966
• InChI Key: XMSXQFUHVRWGNA-UHFFFAOYSA-N
• Synonym: decamethylcyclopentasiloxane, cyclopentasiloxane, decamethyl, cyclomethicone 5, dimethylsiloxane pentamer, dow corning 345 fluid, nuc silicone vs 7158, dow corning 345, silicon sf 1202, cyclic dimethylsiloxane pentamer, dekamethylcyklopentasiloxan
• PubChem CID: 10913
• IUPAC Name: 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane
• SMILES: C[Si]1(O[Si](O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)(C)C)C

• Melting Point: -44°C
• Color: Colorless
• Density: 0.959 g/mL
• Boiling Point: 210°C
• Flash Point: 76°C (169°F)
• Odor: Odorless
• Refractive Index: 1.3982
• Quantity: 1 kg
• Merck Index: 14,2848
• Solubility Information: Immiscible with water.
• Formula Weight: 370.77
• Percent Purity: 97%
• Physical Form: Liquid
• Chemical Name or Material: Decamethylcyclopentasiloxane

Safety and Handling

Hazard Category	H227
Precautionary Statement	P210-P280-P370+P378q-P501c
EINECSNumber	208-764-9
RTECSNumber	GY5945200
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only