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1,3-BIS(DICHLOROMETHYL)-1,1,3,3-TETRAMETHYLDISILOXANE

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Origin: China

Cas No: 2943-70-6

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.: 2943-70-6 Formula: C6H14Cl4OSi2 Molecular Weight: 300.15800

Basic Info

Chemical Name	1,3-BIS(DICHLOROMETHYL)-1,1,3,3-TETRAMETHYLDISILOXANE
Synonyms	1,3-bis-dichloromethyl-1,1,3,3-tetramethyl-disiloxane; 1,1,2,2-Tetramethyl-1,2-bis-dichlormethyl-disiloxan; 1,3-Bis-dichlormethyl-1,1,3,3-tetramethyl-disiloxan; 1,1,3,3-Tetramethyl-1,3-bis-dichlormethyl-disiloxan; Disiloxane, 1,3-bis(dichloromethyl)-1,1,3,3-tetramethyl-; 1,3-Bis(dichloromethyl)-1,1,3,3-tetramethyldisiloxane;
CAS No.	2943-70-6
Molecular Formula	C6H14Cl4OSi2
Molecular Weight	300.15800
PSA	9.23000
LogP	4.93880

Properties

Density	1.221
Boiling Point	269.9ºC at 760mmHg
Flash Point	98.1ºC
Refractive Index	1.466
Vapor Pressure	0.0117mmHg at 25°C

Safety Info

Safety Statements	S26-S36
HS Code	2934999090
Risk Statements	R36/38

Synthesis Route

(DICHLOROMETHYL)DIMETHYLCHLOROSILANE→dimethyl-(dichloromethyl)-silanol+1,3-BIS(DICHLOROMETHYL)-1,1,3,3-TETRAMETHYLDISILOXANE
(DICHLOROMETHYL)DIMETHYLCHLOROSILANE→1,3-BIS(DICHLOROMETHYL)-1,1,3,3-TETRAMETHYLDISILOXANE+(dichloromethyl)dimethylsilyl hydrogen sulfate
(DICHLOROMETHYL)DIMETHYLCHLOROSILANE→1,3-BIS(DICHLOROMETHYL)-1,1,3,3-TETRAMETHYLDISILOXANE

Precursor

1,1,8,8-tetrachloro-2,2,7,7-tetramethyl-3,6-dioxa-2,7-disila-octane
(DICHLOROMETHYL)DIMETHYLCHLOROSILANE
1,1,9,9-tetrachloro-5-(dichloromethyl-dimethyl-silanyloxy)-2,2,8,8-tetramethyl-3,7-dioxa-2,8-disila-nonane
Diethyl ether

Downstream Product

dichloromethane

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