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Hexamethyldisiloxane

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Product Description

PRODUCT

Hexamethyldisiloxane

CAS #

107-46-0

SYNONYM

Belsil DM 0.65; Hexamethyldisiloxane; HMDSO; bis(trimethylsilyl)oxide; OS 10; 1,1,1,3,3,3-Hexamethyldisiloxane; bis-trimethylsilyloxide; Bis(trimethylsilyl) ether; Bis(trimethylsilyl) oxide; CH7310; Bis (trimethylsilyl) ether; ((CH3)3Si)2O; Dow corning 200/0.65; KF 96L; 1,1,1,3,3,3-Hexamethyl-disiloxane; Disiloxane, hexamethyl-; SWS-F 221; belsildm0.65; Oxybis(trimethylsilane); Disiloxane, 1,1,1,3,3,3-hexamethyl-; HMDS; Oxybis (trimethylsilane) Silane, oxybis (trimethyl-; NSC 43346; Bis (trimethylsilyl) oxide; H7310; Fluka AG; Silane, oxybis(trimethyl)-

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FORMULA

C6H18OSi2

HAZARD

3 Flammable Liquids

Typical Product Specifications

MOLECULAR WEIGHT

162.38

EINECS

203-492-7

SMILES

C[Si](C)(C)O[Si](C)(C)C

STORAGE TEMPERATURE

Flammables area

BRN NUMBER

1736258

BOILING POINT

101 °C

MELTING POINT

-59 °C

DENSITY

0.764 g/mL at 20 °C

FLASH POINT

33 °F

VAPOR DENSITY

>1

STABILITY

Stable, but moisture sensitive. Highly flammable. Incompatible with strong acids, strong bases, oxidizing agents.

REFRACTIVE INDEX

1.377

WATER SOLUBILITY

insoluble

NOTES

Hexamethyldisiloxane uses and applications include: Antifoam, emollient, antistat in cosmetics; silylation of carboxylic acids; endcapper for silicones; low polarity solvent; coupling agent; blocking agent; lubricant; release agent
Suggested storage of Hexamethyldisiloxane: Store under nitrogen; hygroscopic; keep tightly closed; keep away from heat, sparks, open flame

CLASS

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