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Description Feedback
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.

Properties Feedback
Appearance & Physical State:liquid
Density:0.958
Melting Point:-44ºC
Boiling Point:90ºC (10 mmHg)
Flash Point:162 °F
Refractive Index:1.396
Stability:Stable. Incompatible with strong oxidizing agents.

Safety Info Feedback
Symbol:
Sign:
hazard declaration:H413
hazard declaration add:
waring notice:
RTECS:GY5945200
Safety Statements:S23-S24/25
HS Code:29310095
WGK Germany:2
Risk Statements:R36/37/38
Hazard Codes:Xi

MSDS


Synthesis Route Total: 35 Synthesis Route
 
3277-26-7
~21%
107-50-6
View Detail
 
15576-81-5
~18%
556-67-2
541-02-6
View Detail

Precursor and Product