Octamethyltrisiloxane

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Octamethyltrisiloxane

Product Name: Octamethyltrisiloxane
CAS No.: 107-51-7
Chemical Name: Octamethyltrisiloxane
Synonyms: Trisiloxane, octamethyl-;TRISILOXANE;OCTAMETHYLTRISILOXANE;METHYLPOLYSILOXANE;1,1,1,3,3,5,5,5-Octamethyltrisiloxane;O9816;CO9816;FRD 20;KF 96A1cs;KF 96L1.0
CBNumber: CB3236712
Molecular Formula: C8H24O2Si3
Formula Weight: 236.53
MOL File: 107-51-7.mol

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Octamethyltrisiloxane Property

Melting point:: -82 °C (lit.)
Boiling point:: 153 °C (lit.)
Density: 0.82 g/mL at 25 °C (lit.)
vapor density: >1 (vs air)
vapor pressure: 5.3hPa at 25℃
refractive index: n20/D 1.384(lit.)
Flash point:: 99 °F
storage temp.: Inert atmosphere,Room Temperature
solubility: Chloroform (Slightly), DMSO, Methanol (Slightly)
form: liquid
Specific Gravity: 0.82
color: Colourless to Pale Yellow
Water Solubility: 34μg/L at 23℃
Hydrolytic Sensitivity: 1: no significant reaction with aqueous systems
Merck: 14,6748
BRN: 1753063
Dielectric constant: 2.3（20℃）
Stability:: Hygroscopic
LogP: 6.6 at 25.3℃
CAS DataBase Reference: 107-51-7(CAS DataBase Reference)
EPA Substance Registry System: Trisiloxane, octamethyl- (107-51-7)

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Safety

Risk Statements: 10
Safety Statements: 23-24/25
RIDADR: UN 1993 3/PG 3
WGK Germany: 3
F: 10-21
TSCA: Yes
HazardClass: 3.2
PackingGroup: III
HS Code: 29319090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H226Flammable liquid and vapour

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P243Take precautionary measures against static discharge.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 235709
Product name: Octamethyltrisiloxane
Purity: 98%
Packaging: 5ml
Price: $45.8
Updated: 2024/03/01

Sigma-Aldrich

Product number: 235709
Product name: Octamethyltrisiloxane
Purity: 98%
Packaging: 100ml
Price: $261
Updated: 2024/03/01

TCI Chemical

Product number: O0257
Product name: Octamethyltrisiloxane
Purity: >98.0%(GC)
Packaging: 25mL
Price: $55
Updated: 2024/03/01

TCI Chemical

Product number: O0257
Product name: Octamethyltrisiloxane
Purity: >98.0%(GC)
Packaging: 100mL
Price: $141
Updated: 2024/03/01

Sigma-Aldrich

Product number: 469319
Product name: Poly(dimethylsiloxane)
Purity: viscosity 1.0 cSt (25 °C)
Packaging: 50ml
Price: $183
Updated: 2024/03/01

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Octamethyltrisiloxane Chemical Properties,Usage,Production

Chemical Properties

Octamethyltrisiloxane is clear colourless liquid.

Uses

Octamethyltrisiloxane is a linear silicone oligomer. It is used as an excipient Dimethicones in pharmaceutical and cosmetic applications can provide long lasting lubricant, smooth feel and spreads easily. Studies demonstrate that it is able to maintain the conformational stability of certain adsorbed proteins such as bovine serum albumin (BSA). Used in the methylation of mercury(II) salts.

Application

As a basis for silicone oils or fluids designed to withstand extremes of temp; as a foam suppressant in petroleum lubricating oil.

Definition

ChEBI: Octamethyltrisiloxane is an organosiloxane that is trisiloxane in which all the hydrogens have been replaced by methyl groups.

General Description

Poly(dimethylsiloxane) (PDMS), also known as dimethicone, is an organosilicon compound that is widely used as a siloxane based elastomer. It is a hydrophobic material with attractive physical and chemical properties such as elasticity, optical transparency, tunable surface chemistry, and low electrical conductivity.

Flammability and Explosibility

Flammable

Purification Methods

Distil it twice, the middle fraction from the first distillation is again distilled, and the middle fraction of the second distillation is used. [Patnode & Wilcock J Am Chem Soc 68 358, Wolcock J Am Chem Soc 68 691 1946, Thompson J Chem Soc 1908 1953, Beilstein 4 IV 4115.]

Octamethyltrisiloxane Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Octamethyltrisiloxane manufacturers

Ouhuang Engineering Materials (Hubei) Co., Ltd

Product: Octamethyltrisiloxane 107-51-7
Price: US $10.00/kg
Min. Order: 1kg
Purity: 99.6%
Supply Ability: 100000
Release date: 2024-04-24

Hebei Duling International Trade Co. LTD

Product: Octamethyltrisiloxane 107-51-7
Price: US $50.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 200 tons
Release date: 2023-04-10

Hebei Guanlang Biotechnology Co., Ltd.

Product: Octamethyltrisiloxane 107-51-7
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2023-03-06

107-51-7, OctamethyltrisiloxaneRelated Search:

Benzyl isocyanide 3-Aminopropylbis(trimethylsiloxy)methylsilane TERT-BUTYL ISOCYANIDE METHYL ISOCYANOACETATE VINYLMETHYLBIS(TRIMETHYLSILOXY)SILANE Ethyl isocyanoacetate 3,3-DIPHENYLHEXAMETHYLTRISILOXANE SALCOMINE PHENYLSELENOL Tosylmethyl isocyanide (3-ACRYLOXYPROPYL)METHYLBIS(TRIMETHYLSILOXY)SILANE 3-PHENYLHEPTAMETHYLTRISILOXANE N-BUTYLISOCYANIDE 1,1,5,5-Tetraphenyltetramethyltrisiloxane TRIMETHYL PENTAPHENYL TRISILOXANE 1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE POLY(DIMETHYLSILOXANE), HYDROXY TERMINATED Poly(dimethylsiloxane)

METHYLPOLYSILOXANE

DIMETHYLBIS(TRIMETHYLSILYLOXY)SILANE

POLY(DIMETHYLSILOXANE), HYDROXY TERMINATED

POLY(DIMETHYLSILOXANE), 200(R) FLUID

OCTAMETHYLTRISILOXANE

[(CH3)3SiO]2Si(CH3)2

1,1,1,3,3,5,5,5-Octamethyltrisiloxane

CO9816

Dimethylbis(trimethylsiloxy)silane

O9816

octamethyl-trisiloxan

Silane, dimethylbis(trimethylsiloxy)-

TRISILOXANE

POLY(DIMETHYLSILOXANE), 200 FLUID, VISCO SITY 1.0 CST

Polydimethylsiloxane, trimethylsiloxy terminated, 1.0 cSt.

Trisiloxane, octamethyl-

Methylpolysiloxane n(=:)1

1,1,1,3,3,5,5,5-Octamethylpentanetrisiloxane

Octamethylpentanetrisiloxane

Octamethyltrisiloxane,98%

FRD 20

KF 96A1cs

KF 96L1.0

PentaMethyl(triMethylsiloxy)disiloxane

PentaMethyl(triMethylsilyloxy)disiloxane

Trisiloxane,1,1,1,3,3,5,5,5-octaMethyl-

Poly(dimethylsiloxane) viscosity 1.0 cSt (25 C)

Octamethyltrisiloxane Liquid

Octamethyltrisiloxane&gt

Octamethyltrisiloxane IOTA 201-1

107-51-7

CH33SiOSiCH32OnSiCH33

C8H24O2Si3

Si-O Compounds

Siloxanes

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