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1,3-DIMETHYLTETRAMETHOXYDISILOXANE

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Origin: China

Cas No: 18186-97-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 18186-97-5 Formula: C6H18O5Si2 Molecular Weight: 226.37500

Basic Info

Chemical Name	1,3-DIMETHYLTETRAMETHOXYDISILOXANE
Synonyms	TETRAMETHOXY-1,3-DIMETHYLDISILOXANE; 1,3-dimethyl-1,1,3,3-tetramethoxydisiloxane; 1 3-DIMETHYLTETRAMETHOXYDISILOXANE; dimethyltetramethoxydisiloxane; 1,1,3,3-tetramethoxy-1,3-dimethyl-disiloxane; Disiloxane,1,1,3,3-tetramethoxy-1,3-dimethyl; 1,1,3,3-Tetramethoxy-1,3-dimethyl-disiloxan; 1,1,3,3-Tetramethoxy-1,3-dimethylpropanedisiloxane;
CAS No.	18186-97-5
Molecular Formula	C6H18O5Si2
Molecular Weight	226.37500
PSA	46.15000
LogP	0.72600

Properties

Density	0.98g/cm3
Boiling Point	165ºC(lit.)
Melting Point	<0ºC
Flash Point	32.8ºC
Refractive Index	n20/D 1.384(lit.)
Vapor Pressure	6.421mmHg at 25°C

Safety Info

Hazard Class	3.2
Safety Statements	S16
HS Code	2934999090
Packing Group	III
RIDADR	UN 1993 3/PG 3
Risk Statements	R10

Synthesis Route

Methyltrichlorosilane→Trimethoxy(methyl)silane+1,3-DIMETHYLTETRAMETHOXYDISILOXANE
Trimethoxy(methyl)silane→1,3-DIMETHYLTETRAMETHOXYDISILOXANE
Methyltrichlorosilane→1,3-DIMETHYLTETRAMETHOXYDISILOXANE

Precursor

Methyltrichlorosilane
Trimethoxy(methyl)silane
Methanol

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