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Dimethyltetramethoxydisilethylene

CAS No.
98789-40-3
Chemical Name:
Dimethyltetramethoxydisilethylene
Synonyms
DK435;Dimethyltetramethoxydisilethylene;Ethylenebis(dimethoxymethylsilane);1,2-Bis(methyldimethoxysilyl)ethane;2,2,5,5-Tetramethoxy-2,5-disilahexane;3,6-Dimethoxy-3,6-dimethyl-2,7-dioxa-3,6-disilaoctane;2,7-Dioxa-3,6-disilaoctane,3,6-diMethoxy-3,6-diMethyl-
CBNumber:
CB0374501
Molecular Formula:
C8H22O4Si2
Molecular Weight:
238.43
MDL Number:
MFCD01861712
MOL File:
98789-40-3.mol
MSDS File:
SDS
Last updated:2026-09-12 18:48:19

Dimethyltetramethoxydisilethylene Properties

Boiling point 162℃
Density 0.925
refractive index 1.4135
Flash point 44℃
Specific Gravity 0.9679
Hydrolytic Sensitivity 7: reacts slowly with moisture/water

SAFETY

Risk and Safety Statements

Symbol(GHS)  Flame (GHS02)Exclamation Mark (GHS07)
GHS02,GHS07
Signal word  Danger
Hazard statements  H225-H315-H319
Precautionary statements  P210-P233-P280-P305+P351+P338
RIDADR  UN1993
HazardClass  3
Limited Quantities 1.0 L (0.3 gallon) (liquid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)

Dimethyltetramethoxydisilethylene price More Price(4)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
aablocks AA01EIE3 1,2-Bis(Methyldimethoxysilyl)ethane 97% 98789-40-3 1g $30 2026-05-30 Buy
aablocks AA01EIE3 1,2-Bis(Methyldimethoxysilyl)ethane 97% 98789-40-3 5g $102 2026-05-30 Buy
aablocks AA01EIE3 1,2-Bis(Methyldimethoxysilyl)ethane 97% 98789-40-3 25g $341 2026-05-30 Buy
American Custom Chemicals Corporation ORS0005953 DIMETHYLTETRAMETHOXYDISILETHYLENE 95.00% 98789-40-3 10G $186.9 2021-12-16 Buy
Product number Packaging Price Buy
AA01EIE3 1g $30 Buy
AA01EIE3 5g $102 Buy
AA01EIE3 25g $341 Buy
ORS0005953 10G $186.9 Buy

Dimethyltetramethoxydisilethylene Chemical Properties, Uses, Production

32494-55-6
124-41-4
98789-40-3
Synthesis of Dimethyltetramethoxydisilethylene from Silane, 1,1'-(1,2-ethanediyl)bis[1-chloro-1-methyl- and Sodium Methoxide

Dimethyltetramethoxydisilethylene Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 30)
Supplier Tel Email Country ProdList Advantage
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Shanghai Gileader Advanced Material Technology Co.,Ltd 18516111942 823898732@qq.com China 1356 56
Chizhou Kailong Import and Export Trade Co., Ltd. xg01_gj@163.com China 9413 50
Shanghai Enchem Industry Co., Ltd. 15021317485 China 1403 58
Shanghai Zhuang Ming New Material Technology Co., Ltd. 17312398916 051386936896 15216715905 sales@zhuangming.net China 1271 58
Alfa Chemistry 1-516-6625404 support@alfa-chemistry.com United States 9170 60
Xuzhou ZhuoYun New Material Technology Co., Ltd. 0516-0516 13776763863 zhangqinli.ok@163.com China 1305 58
Suzhou Siso new material Co.,Ltd. 0512-65402974 18550909935 siso03@126.com China 1925 58
Henan Alfa Chemical Co., Ltd +8618339805032 sale03@alfachem.cn China 9872 58
HUNAN CHEMFISH SCIENTIFIC CO.,LTD 85521272 18932438858 sales@chemfish.com China 7780 58

View Latest Price from Dimethyltetramethoxydisilethylene manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
dimethyltetramethoxydisilethylene pictures 2026-08-25 dimethyltetramethoxydisilethylene
98789-40-3
$2.20-8.80 1kg 99% 100kg ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
dimethyltetramethoxydisilethylene pictures 2019-12-26 dimethyltetramethoxydisilethylene
98789-40-3
$1.00 1KG Min98% HPLC Career Henan Chemical Co
Ethylenebis(dimethoxymethylsilane) 1,2-Bis(methyldimethoxysilyl)ethane 2,2,5,5-Tetramethoxy-2,5-disilahexane 2,7-Dioxa-3,6-disilaoctane,3,6-diMethoxy-3,6-diMethyl- DK435 3,6-Dimethoxy-3,6-dimethyl-2,7-dioxa-3,6-disilaoctane Dimethyltetramethoxydisilethylene 98789-40-3 C8H22O4Si2