Chinese Japanese Germany Korea
ChemicalBook >> CAS DataBase List >>1,1,1,3,5,5,5-Heptamethyltrisiloxane

1,1,1,3,5,5,5-Heptamethyltrisiloxane

1,1,1,3,5,5,5-Heptamethyltrisiloxane Structure
1,1,1,3,5,5,5-Heptamethyltrisiloxane structure
CAS No.
1873-88-7
Chemical Name:
1,1,1,3,5,5,5-Heptamethyltrisiloxane
Synonyms
MDHM;40M25);CFS-887;Bis(trimethyL;Co-Formula CFS-887;Heptametrisiloxane;Bis(trimethylsiloxy);40M40,commercialgrade;heptamethyltrisiloxane;3H-Heptamethyltrisiloxane
CBNumber:
CB8446147
Molecular Formula:
C7H22O2Si3
Molecular Weight:
222.5
MDL Number:
MFCD00048000
MOL File:
1873-88-7.mol
MSDS File:
SDS
Last updated:2024-04-26 10:20:41
Request For Quotation

1,1,1,3,5,5,5-Heptamethyltrisiloxane Properties

Melting point <0°C
Boiling point 142 °C (lit.)
Density 0.819 g/mL at 25 °C (lit.)
vapor pressure 8.5hPa at 25℃
refractive index n20/D 1.382(lit.)
Flash point 82 °F
storage temp. 15-25°C
solubility Chloroform (Soluble), Methanol (Slightly)
form clear liquid
Specific Gravity 0.8136
color Colorless to Almost colorless
Viscosity 1.1mm2/s
Water Solubility Miscible with acetone, ethanol, diethyl ether. Insoluble in water.
Hydrolytic Sensitivity 3: reacts with aqueous base
BRN 1748455
Stability Stable. Flammable. Incompatible with strong oxidizing agents.
InChIKey QNWOFLWXQGHSRH-UHFFFAOYSA-N
LogP 6.2 at 20℃
CAS DataBase Reference 1873-88-7(CAS DataBase Reference)
FDA UNII RVY9659R8C
NIST Chemistry Reference Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-,(1873-88-7)
EPA Substance Registry System Trisiloxane, 1,1,1,3,5,5,5-heptamethyl- (1873-88-7)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS02,GHS07
Signal word  Danger
Hazard statements  H225-H315-H319-H335
Precautionary statements  P210-P302+P352-P305+P351+P338
Hazard Codes  Xi
Risk Statements  10-36/37/38
Safety Statements  26-36
RIDADR  UN 1993 3/PG 2
WGK Germany  3
F  10-21
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29319090
NFPA 704
3
1 0

1,1,1,3,5,5,5-Heptamethyltrisiloxane price More Price(24)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 370886 1,1,1,3,5,5,5-Heptamethyltrisiloxane 97% 1873-88-7 50ml $53.2 2024-03-01 Buy
Sigma-Aldrich 1228075 Heptamethyl trisiloxane United States Pharmacopeia (USP) Reference Standard 1873-88-7 150mg $257 2024-03-01 Buy
TCI Chemical H1267 1,1,1,3,5,5,5-Heptamethyltrisiloxane >98.0%(GC) 1873-88-7 25mL $19 2024-03-01 Buy
TCI Chemical H1267 1,1,1,3,5,5,5-Heptamethyltrisiloxane >98.0%(GC) 1873-88-7 250mL $114 2024-03-01 Buy
Alfa Aesar H60586 Bis(trimethylsiloxy)methylsilane, 97% 1873-88-7 50ml $117 2024-03-01 Buy
Product number Packaging Price Buy
370886 50ml $53.2 Buy
1228075 150mg $257 Buy
H1267 25mL $19 Buy
H1267 250mL $114 Buy
H60586 50ml $117 Buy

1,1,1,3,5,5,5-Heptamethyltrisiloxane Chemical Properties,Uses,Production

Uses

Heptamethyltrisiloxane is used to catalyze reduction reactions in organic syntheses.

Description

Bis (trimethylsiloxy) methylsilane acts as an important raw material and intermediate used in organic synthesis, pharmaceutical and dyestuff. For example, it can be used for the platinum-catalyzed aromatic C-H silylation of arenes. It can also be used for the silylation of aryl iodides.

Chemical Properties

colourless liquid

Uses

1,1,1,3,5,5,5-Heptamethyltrisiloxane can be used for the aromatic C-H silylation of arenes in the presence of a platinum complex catalyst.
It can also be used as a reagent to synthesize:

  • 3-Octyl-1,1,1,3,5,5,5-heptamethyltrisiloxane, an agricultural adjuvant and sensory performance enhancer used in cosmetic formulations.
  • Isoindigo-based conjugated polymer with siloxane-terminated solubilizing group.
  • Monosiloxy esters with a variety of acids.

Uses

Bis(trimethylsiloxy)methylsilane is an important raw material and intermediate used in organic synthesis, pharmaceutical and dyestuff.

Uses

1,1,1,3,5,5,5-Heptamethyltrisiloxane is a Basic material for synthetic polyalkyleneoxide modified heptamethyltrisiloxane which is a kind of specific structure surfactant for pesticide additives, coating additives, etc.

Flammability and Explosibility

Flammable

References

https://www.alfa.com/zh-cn/catalog/H60586/
Murata, Miki, et al. "Silylation of Aryl Iodides with 1,1,1,3,5,5,5 -Heptamethyltrisiloxane Catalyzed by Transition-Metal Complexes." Synlett 2007.09(2007):1387-1390.
Murata, Miki, et al. "Platinum-Catalyzed Aromatic C—H Silylation of Arenes with 1,1,1,3,5,5,5-Heptamethyltrisiloxane." Cheminform38.50 (2007):no-no.

1,1,1,3,5,5,5-Heptamethyltrisiloxane synthesis

75-54-7
1066-40-6
1873-88-7
Synthesis of 1,1,1,3,5,5,5-Heptamethyltrisiloxane from Dichloromethylsilane and hydroxytrimethylsilane

1,1,1,3,5,5,5-Heptamethyltrisiloxane Preparation Products And Raw materials

Raw materials

Pentasiloxane, 1,1,1,3,5,7,9,9,9-nonamethyl- 2,4,6,8-Tetramethylcyclotetrasiloxane PENTAMETHYLCYCLOPENTASILOXANE Octamethyltrisiloxane 1,3-BIS(TRIMETHYLSILOXY)-1,3-DIMETHYLDISILOXANE
SODIUM TRIMETHYLSILANOLATE hydroxytrimethylsilane Dichloromethylsilane METHYLSILANE Hexasiloxane, 1,1,1,3,5,7,9,11,11,11-decamethyl-
Chlorotrimethylsilane

1of3

Preparation Products

Ethanol, 2-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]-1-disiloxanyl]propoxy]-

1,1,1,3,5,5,5-Heptamethyltrisiloxane Suppliers

Global( 298)Suppliers
Supplier Tel Email Country ProdList Advantage
Dongguan City Betterly New Materials co.,Ltd
+86-13713468294 +86-13535083564 waimaobu@betely.com China 37 58
Hebei Mojin Biotechnology Co., Ltd 		+8613288715578 sales@hbmojin.com China 12456 58
Hubei Changfu Chemical Co., Ltd. 		+86-027-84396550 +8617721064038 sales@cfsilanes.com China 401 58
Jiangxi New jiayi New Materials Co., Ltd. 		15988280056 mina@xjysi.com CHINA 27 55
Shanghai Daken Advanced Materials Co.,Ltd 		+86-371-66670886 info@dakenam.com China 15928 58
Henan Tianfu Chemical Co.,Ltd. 		+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21691 55
Hangzhou FandaChem Co.,Ltd. 		008657128800458; +8615858145714 fandachem@gmail.com China 9348 55
ATK CHEMICAL COMPANY LIMITED 		+undefined-21-51877795 ivan@atkchemical.com China 32480 60
Hefei TNJ Chemical Industry Co.,Ltd. 		+86-0551-65418679 +86-18949832763 info@tnjchem.com China 2989 55
career henan chemical co 		+86-0371-86658258 sales@coreychem.com China 29914 58
Supplier Advantage
Dongguan City Betterly New Materials co.,Ltd
58
Hebei Mojin Biotechnology Co., Ltd 		58
Hubei Changfu Chemical Co., Ltd. 		58
Jiangxi New jiayi New Materials Co., Ltd. 		55
Shanghai Daken Advanced Materials Co.,Ltd 		58
Henan Tianfu Chemical Co.,Ltd. 		55
Hangzhou FandaChem Co.,Ltd. 		55
ATK CHEMICAL COMPANY LIMITED 		60
Hefei TNJ Chemical Industry Co.,Ltd. 		55
career henan chemical co 		58

View Lastest Price from 1,1,1,3,5,5,5-Heptamethyltrisiloxane manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
1,1,1,3,5,5,5-Heptamethyltrisiloxane pictures 2024-04-26 1,1,1,3,5,5,5-Heptamethyltrisiloxane
1873-88-7
 US $0.00 / kg 1kg 98 20 tons Hubei Changfu Chemical Co., Ltd.
Bis(trimethylsiloxy)methylsilane pictures 2023-10-17 Bis(trimethylsiloxy)methylsilane
1873-88-7
 US $0.00 / KG 1KG 99% 50000KG/month Hebei Mojin Biotechnology Co., Ltd
Bis(trimethylsiloxy)methylsilane pictures 2023-09-06 Bis(trimethylsiloxy)methylsilane
1873-88-7
 US $0.00 / KG 1KG 99% 500000kg Hebei Guanlang Biotechnology Co., Ltd.

1,1,1,3,5,5,5-Heptamethyltrisiloxane Spectrum

1,1,1,3,5,5,5-Heptamethyltrisiloxane(1873-88-7)IR

1873-88-7(1,1,1,3,5,5,5-Heptamethyltrisiloxane)Related Search:

Octamethylcyclotetrasiloxane POLYDIMETHYLSILOXANE TRIMETHYLSILANE Hexamethyldisiloxane Octamethyltrisiloxane
Azidotrimethylsilane Dimethicone Hexamethyldisilane POLY(DIMETHYLSILOXANE), HYDROXY TERMINATED Hexamethylcyclotrisiloxane
Methyltris(methylethylketoxime)silane Trimethoxysilane Methyltriethoxysilane Decamethylcyclopentasiloxane Polymethylhydrosiloxane
Methyltrichlorosilane tert-Butyldimethylsilyl chloride Iodotrimethylsilane

1of4

1,1,1,3,5,5,5-heptamethyl-trisiloxan 3H-Heptamethyltrisiloxane heptamethyltrisiloxane 1,1,1,3,5,5,5-HEPTAMETHYLTRISILOXANE BIS(TRIMETHYLSILOXY)METHYLSILANE DOW CORNING 1107 WATER REPELLENT AND POWDER TREATMENT 1,1,1,3,5,5,5-HEPTAMETHYLTRISILOXANE, 97 % 40M25) 40M40,commercialgrade 1,1,1,3,5,5,5-Heptamethyltrisiloxane(Bis(trimethylsiloxy)methylsilane) Bis-(trimethylsilyloxy)-methylsilane Methylbis(trimethylsilyloxy)silane 1,1,1,3,5,5,5-Heptamethylpentanetrisiloxane Methylbis(trimethylsiloxy)silane Trisiloxane, 1,1,1,3,5,5,5-heptamethyl- Bis(trimethylsiloxy) Heptamethyl Trisiloxane (150 mg) (1,1,1,3,5,5,5-Heptamethyltrisiloxane) CFS-887 MDHM Co-Formula CFS-887 Bis(trimethyL 1,1,1,3,5,5,5-Heptamethyltrisiloxane> methyl-bis(trimethylsilyloxy)silicon Heptamethyltrisiloxane HPTSO Heptametrisiloxane 1873-88-7 C7H22O2Si3 CH33SiO2SiHCH3 C7H21O2Si3 Organosilicon Organometallic Reagents Siloxanes Industrial/Fine Chemicals Si (Classes of Silicon Compounds) Siloxanes Si-O Compounds Organometallic Reagents Organosilicon