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hexamethyl diorthosilicate

CAS No.
4371-91-9
Chemical Name:
hexamethyl diorthosilicate
Synonyms
Einecs 224-467-7;Hexamethoxy Disiloxane;hexamethyl diorthosilicate;Hexamethoxypropanedisiloxane;Silicic acid (H6Si2O7), hexamethyl ester;Hexamethyl diorthosilicate Hexamethyl diorth;Hexamethyl diorthosilicate Hexamethyl diorthosilicate
CBNumber:
CB2912921
Molecular Formula:
C6H18O7Si2
Molecular Weight:
258.37
MDL Number:
MFCD02912820
MOL File:
4371-91-9.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-08-28 09:47:31
Product description Number Pack Size Price
Hexamethoxydisiloxane H1716 1G $132
Hexamethoxydisiloxane ≥98%(GC) 40513 1G $172.36
Hexamethyl diorthosilicate 98% AA00DL1W 100mg $34
Hexamethyl diorthosilicate 98% AA00DL1W 250mg $53
Hexamethyl diorthosilicate >98.0%(GC) AA00DL1W 1g $106
More product size

hexamethyl diorthosilicate Properties

Boiling point 73 °C(Press: 3 Torr)
Density 1.1222 g/cm3
refractive index 1.38
form clear liquid
color Colorless to Almost colorless
InChI InChI=1S/C6H18O7Si2/c1-7-14(8-2,9-3)13-15(10-4,11-5)12-6/h1-6H3
InChIKey XOAJIYVOSJHEQB-UHFFFAOYSA-N
SMILES [Si](OC)(OC)(OC)O[Si](OC)(OC)OC

SAFETY

Risk and Safety Statements

Symbol(GHS)  Flame (GHS02)
GHS02
Signal word  Warning
Hazard statements  H226
HS Code  2931.90.9010
NFPA 704
2
0 0

hexamethyl diorthosilicate price More Price(8)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical H1716 Hexamethoxydisiloxane 4371-91-9 1G $132 2026-04-30 Buy
Chem-Impex 40513 Hexamethoxydisiloxane ≥98%(GC) 4371-91-9 1G $172.36 2026-05-19 Buy
aablocks AA00DL1W Hexamethyl diorthosilicate 98% 4371-91-9 100mg $34 2026-05-28 Buy
aablocks AA00DL1W Hexamethyl diorthosilicate 98% 4371-91-9 250mg $53 2026-05-28 Buy
aablocks AA00DL1W Hexamethyl diorthosilicate >98.0%(GC) 4371-91-9 1g $106 2026-05-28 Buy
Product number Packaging Price Buy
H1716 1G $132 Buy
40513 1G $172.36 Buy
AA00DL1W 100mg $34 Buy
AA00DL1W 250mg $53 Buy
AA00DL1W 1g $106 Buy

hexamethyl diorthosilicate Chemical Properties,Uses,Production

Uses

Hexamethyl diorthosilicate is mainly used as a silanizing agent in organic synthesis and scientific research experiments.

hexamethyl diorthosilicate Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 66)Suppliers
Supplier Tel Email Country ProdList Advantage
Shanghai Daken Advanced Materials Co.,Ltd
+86-2158073036 info@dakenam.com China 14035 58
career henan chemical co
+86-0371-86658258 factory@coreychem.com China 29780 58
Shanghai UCHEM Inc.
+86-18930848214 +86-021-56762820 sales@myuchem.com China 8927 58
HANGZHOU LEAP CHEM CO., LTD.
+86-571-87711850 +8619957148339 market18@leapchem.com China 24569 58
Hubei Changfu Chemical Co., Ltd.
+86-027-84396550 +8617721064038 sales@cfsilanes.com China 481 58
Shanghai Acmec Biochemical Technology Co., Ltd.
+86-18621343501 product@acmec-e.com China 33301 58
Aladdin Scientific
tp@aladdinsci.com United States 54746 58
DAYANG CHEM (HANGZHOU) CO.,LTD
+86-88938639 +86-17705817739 info@dycnchem.com China 53799 58
Sinco Pharmachem (ShenZhen) R&D Co., Ltd.
+86-18603013401 jack.lin@sincopharmachem.com China 9999 58
Zjartspharm Co., Ltd
15068876005 jocelynpan@zjarts.com China 9957 58

View Lastest Price from hexamethyl diorthosilicate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Hexamethoxydisiloxane pictures 2026-08-27 Hexamethoxydisiloxane
4371-91-9
1kg 97% 20t Hubei Changfu Chemical Co., Ltd.
Hexamethoxy Disiloxane pictures 2020-01-10 Hexamethoxy Disiloxane
4371-91-9
$1.00 1g Min98%HPLC Career Henan Chemical Co
hexamethyl diorthosilicate Hexamethoxypropanedisiloxane Einecs 224-467-7 Hexamethoxy Disiloxane Hexamethyl diorthosilicate Hexamethyl diorthosilicate Hexamethyl diorthosilicate Hexamethyl diorth Silicic acid (H6Si2O7), hexamethyl ester 4371-91-9 C6H18O7Si2