1,1,1,3,5,5,5-Heptamethyltrisiloxane
- 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
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 |
n |
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) | 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 |
|
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 |
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 Preparation Products And Raw materials
Raw materials
1of3
Preparation Products
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Dongguan City Betterly New Materials co.,Ltd | +86-13713468294 +86-13713468294 | waimaobu@betely.com | China | 39 | 58 |
Hebei Mojin Biotechnology Co., Ltd | +86 13288715578 +8613288715578 | sales@hbmojin.com | China | 12495 | 58 |
Hubei Changfu Chemical Co., Ltd. | +86-027-84396550 +8617721064038 | sales@cfsilanes.com | China | 414 | 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 | 18628 | 58 |
Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21663 | 55 |
Hangzhou FandaChem Co.,Ltd. | 008657128800458; +8615858145714 | fandachem@gmail.com | China | 9284 | 55 |
ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 | ivan@atkchemical.com | China | 32836 | 60 |
Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418679 +8618949832763 | info@tnjchem.com | China | 2989 | 55 |
career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29888 | 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 | |
---|---|---|---|---|---|---|---|---|
2024-09-29 | 1,1,1,3,5,5,5-Heptamethyltrisiloxane
1873-88-7
|
US $0.00 / kg | 1kg | 98 | 20 tons | Hubei Changfu Chemical Co., Ltd. | ||
2023-10-17 | Bis(trimethylsiloxy)methylsilane
1873-88-7
|
US $0.00 / KG | 1KG | 99% | 50000KG/month | Hebei Mojin Biotechnology Co., Ltd | ||
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
1873-88-7
- US $0.00 / kg
- 98
- Hubei Changfu Chemical Co., Ltd.
- Bis(trimethylsiloxy)methylsilane
1873-88-7
- US $0.00 / KG
- 99%
- Hebei Mojin Biotechnology Co., Ltd
- Bis(trimethylsiloxy)methylsilane
1873-88-7
- US $0.00 / KG
- 99%
- Hebei Guanlang Biotechnology Co., Ltd.
1873-88-7(1,1,1,3,5,5,5-Heptamethyltrisiloxane)Related Search:
1of4