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457655

Sigma-Aldrich

Poly(dimethylsiloxane-co-alkylmethylsiloxane)

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About This Item

Linear Formula:
[Si(CH3)2O]x[Si(CH3)(R)O]y, R = C16-C18
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

form

solid

mp

20 °C (lit.)

transition temp

softening point >23 °C

solubility

hydrocarbons, higher alcohols and fatty esters: soluble

density

0.85 g/mL at 25 °C (lit.)

SMILES string

C[Si](C)(O)O.CCCCCCCCCCCCCCCC[Si](C)(O)O

Features and Benefits

Good lubricity and spreadability,

Physical form

The copolymer is linear polysiloxane functionalized with (~32) branched and linear alkyl groups.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup


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