ChemicalBook >> CAS DataBase List >>1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol

1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol

CAS No.
3663-50-1
Chemical Name:
1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol
Synonyms
Hexamethyltrisiloxane-1,5-diol;Einecs 222-920-3;Simethicone Impurity 3;Simethicone Impurity 12;1,5-Dihydroxy hexamethyl trisiloxane;1,1,3,3,5,5-hexamethyl-5-trisiloxanediol;1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol;1,1,3,3,5,5-Hexamethyl-1,5-trisiloxanediol;1,5-Trisiloxanediol, 1,1,3,3,5,5-hexamethyl-;Dimethylsilylenebis(oxy)bis(dimethylsilanol)
CBNumber:
CB7929504
Molecular Formula:
C6H20O4Si3
Molecular Weight:
240.48
MDL Number:
MFCD29067248
MOL File:
3663-50-1.mol
MSDS File:
SDS
Last updated:2026-04-10 10:27:28

1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol Properties

Melting point -23 °C
Boiling point 89-91 °C(Press: 3 Torr)
Density 0.9950 g/cm3
storage temp. Refrigerator, under inert atmosphere
solubility Chloroform, Methanol (Slightly)
form Oil
pka 13.38±0.53(Predicted)
color Colourless
Henry's Law Constant 3.4×10-3 mol/(m3Pa) at 25℃, Mazzoni et al. (1997)
Stability Moisture Sensitive
FDA UNII 20LI094F74
EPA Substance Registry System 1,5-Trisiloxanediol, 1,1,3,3,5,5-hexamethyl- (3663-50-1)

SAFETY

Risk and Safety Statements

TSCA  TSCA listed

1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
aablocks AA00CWXL 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol 3663-50-1 10mg $363 2026-05-28 Buy
aablocks AA00CWXL 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol 3663-50-1 25mg $656 2026-05-28 Buy
aablocks AA00CWXL 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol 3663-50-1 100mg $2035 2026-05-28 Buy
TRC H296725 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol 3663-50-1 50mg $900 2021-12-16 Buy
Product number Packaging Price Buy
AA00CWXL 10mg $363 Buy
AA00CWXL 25mg $656 Buy
AA00CWXL 100mg $2035 Buy
H296725 50mg $900 Buy

1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol Chemical Properties,Uses,Production

Uses

1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol is derived from Hexamethylcyclotrisiloxane (H294340), which is used in the preparation of Silicone coated Celgard-2400 for the adhesion of canine platelets and leucocytes.

1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol Preparation Products And Raw materials

1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol Suppliers

Global( 16)Suppliers
Supplier Tel Email Country ProdList Advantage
Quality Control Solutions Ltd. 0755-66853366 13670046396 orders@qcsrm.com China 18188 56
BOC Sciences +1-631-485-4226 inquiry@bocsci.com United States 19935 58
Guangdong wengjiang Chemical Reagent Co., Ltd. 0751-2815987 13927875076 3007432263@qq.com China 9999 58
Shanghai Haohong Scientific Co., Ltd. 400-8210725 4008210725 malulu@leyan.com China 39319 58
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Henan Vcommend Consultrading Co., Ltd. 13393721940 sales@vcommend.com China 9957 58
TLC Pharmaceutical Standards Ltd. 18012923235 18012923235 chinasales04@tlcstandards.com.cn China 7839 58
Guangdong Yuanfeng Chemical Reagent Co., Ltd 0751-2829979 13318584237 3929169616@qq.com China 9991 58
Shaanxi Dideu Medichem Co. Ltd 81148925 17391631969 1023@dideu.com China 9999 58
Guangdong Yuanfeng Chemical Reagent Co., Ltd 0751-2829979 13376591640 3680032499@qq.com China 9990 58
1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol 1,1,3,3,5,5-hexamethyl-5-trisiloxanediol 1,5-Dihydroxy hexamethyl trisiloxane 1,1,3,3,5,5-Hexamethyl-2,4-dioxa-1,3,5-trisilapentane-1,5-diol 1,1,3,3,5,5-Hexamethyl-2,4-dioxapentasilane-1,5-diol 1,1,3,3,5,5-Hexamethylpentanetrisiloxan-1,5-diol Dimethylsilylenebis(oxy)bis(dimethylsilanol) 1,5-Trisiloxanediol, 1,1,3,3,5,5-hexamethyl- Einecs 222-920-3 Simethicone Impurity 3 Simethicone Impurity 12 1,1,3,3,5,5-Hexamethyl-1,5-trisiloxanediol Hexamethyltrisiloxane-1,5-diol 3663-50-1