D5 / D6 Cyclo-2345 Cyclomethicone Fluid
| Chemical Name: | Polydimethylsiloxane Fluid / PDMS Silicone Oil |
| Product Category: | Cyclomethicones – Silicone Fluids |
| Structural Formula: |  |
| CAS No.: | CAS No. 63148-62-9 |
| EINECS: | 203-492-7 |
| Molecular Formula: | C6H18OSi2 |
| Molecular Weight: | 162.38 g/mol |
D5 / D6 Cyclo-2345 Cyclomethicone Fluid
D5/D6 Cyclo-2345 Cyclomethicone is a volatile polydimethylcyclosiloxane (Cyclomethicone) that is composed of approximately 75% Cyclopentasiloxane (CAS #541-02-6) and approximately 25%of Dodecamethylcyclohexasiloxane (CAS# 540-97-630 ). The fluid is clear, tasteless, essentially odorless, non-greasy and non-stinging.
View product specs:
| Chemical name | Cyclopentasiloxane & Cyclohexasiloxane |
| CAS No. | CAS #541-02-6, CAS#540-97-630 |
| Appearance | Colorless, odorless fluid |
| Specific gravity @25°C | 0.960 |
| Viscosity at 25 at 25°C | 4.5cSt |
| Refractive index | 1.398 |
| Surface tension | 20.8 |
| Flash point-closed cup | 82°C |
| Boiling point @ 760mmHg | 217°C |
| Heat of vaporization @25°C (kJ/kg) | 157 |
Properties:
- Clear, colorless, odorless fluid
- Cosmetic grade…excellent for base fluids in cosmetic formulations
- Volatile carrier (100% evaporation at room temperature)..leaves no residue
- Low heat of vaporization…non-stinging
- Excellent lubricity before evaporation
- Low surface tension fluids (high spreadability)
- Exempt from federal VOC regulations (including CARB and OTC)…replacement for petroleum based solvents that are not VOC Compliant
- Miscible with virtually all polydimethylsiloxane fluids and most petroleum based fluids
- Soluble in most anhydrous alcohols, waxes, oils (except castor), hydrocarbon oils, esters and silicone fluid.
- Insoluble in water
Packaging Specifications
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D5 / D6 Cyclo-2345 Cyclomethicone Fluid
Due to their volatility (varying rates of evaporation), low surface tensions (high Spreadability), and non-greasy feel, Cyclomethicones are used as base fluids, carrying agents and wetting agents in a wide range of personal care products. Cosmetic applications include: room sprays, body sprays, antiperspirants, skin creams, skin lotions, suntan lotions, bath oils, hair care products etc. ….see also Cosmetic Grade Silicones
Cyclomethicone Fluids are exempt from Federal VOC regulation-s including California (CARB) and OTV VOC regulations. They do not contribute to ozone-depletion and global warming, and are being widely accepted as replacements for Non-VOC petroleum-based solvents. As carrying agents, Cyclo-2244 and Cyclo-2245 have comparable evaporation rates to naptha solvents, odorless mineral spirits (OMS) as well as some of the isoparaffinic solvents. Cyclo-2345 can be an alternative if a slower evaporation rate is desirable. Cyclomethicones are compatible with most substates, including metals and plastics.
