ChemicalBook > CAS DataBase List > PENTAMETHYLDISILOXANE
PENTAMETHYLDISILOXANE
- Product Name
- PENTAMETHYLDISILOXANE
- CAS No.
- 1438-82-0
- Chemical Name
- PENTAMETHYLDISILOXANE
- Synonyms
- DK541;PENTAMETHYLDISILOXANE;pentamethyl-disiloxan;Disiloxane,pentamethyl-;PENTAMETHYLDISILOXANE 97+%;Trimethylsiloxydimethylsilane;(Trimethylsiloxy)dimethylsilane;1,1,1,3,3-Pentamethyldisiloxane;1,1,1,3,3-Pentamethyl-disiloxane;Dimethyl(trimethylsilyloxy)silane
- CBNumber
- CB9413159
- Molecular Formula
- C5H16OSi2
- Formula Weight
- 148.35
- MOL File
- 1438-82-0.mol
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PENTAMETHYLDISILOXANE Property
- Boiling point:
- 86 °C (lit.)
- Density
- 0.760 g/mL at 20 °C (lit.)
- refractive index
- n20/D 1.373
- Flash point:
- -9°C
- form
- clear liquid
- color
- Colorless to Almost colorless
- Specific Gravity
- 0.758
- Water Solubility
- Not miscible or difficult to mix in water.
- Sensitive
- Moisture Sensitive
- Hydrolytic Sensitivity
- 3: reacts with aqueous base
- BRN
- 1734568
- InChI
- InChI=1S/C5H16OSi2/c1-7(2)6-8(3,4)5/h7H,1-5H3
- InChIKey
- AOJHDNSYXUZCCE-UHFFFAOYSA-N
- SMILES
- [Si](C)(C)(C)O[SiH](C)C
- EPA Substance Registry System
- Disiloxane, pentamethyl- (1438-82-0)
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Safety
- Hazard Codes
- F
- Risk Statements
- 11
- Safety Statements
- 16-23-24/25
- RIDADR
- UN 1993 3/PG 2
- WGK Germany
- 3
- F
- 10-21
- TSCA
- Yes
- HazardClass
- 3
- PackingGroup
- II
- HS Code
- 29319090
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- 76840
- Product name
- Pentamethyldisiloxane
- Purity
- ≥95.0%
- Packaging
- 5ml
- Price
- $94.7
- Updated
- 2024/03/01
TCI Chemical
- Product number
- P1535
- Product name
- 1,1,1,3,3-Pentamethyldisiloxane
- Purity
- >95.0%(GC)
- Packaging
- 5mL
- Price
- $51
- Updated
- 2024/03/01
TCI Chemical
- Product number
- P1535
- Product name
- 1,1,1,3,3-Pentamethyldisiloxane
- Purity
- >95.0%(GC)
- Packaging
- 25mL
- Price
- $150
- Updated
- 2024/03/01
Alfa Aesar
- Product number
- L16577
- Product name
- Pentamethyldisiloxane, 95%
- Packaging
- 5g
- Price
- $64.65
- Updated
- 2024/03/01
Alfa Aesar
- Product number
- L16577
- Product name
- Pentamethyldisiloxane, 95%
- Packaging
- 25g
- Price
- $257
- Updated
- 2024/03/01
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PENTAMETHYLDISILOXANE Chemical Properties,Usage,Production
Uses
Pentamethyldisiloxane, is an organosilicon compound used in synthesis of siloxane-polyether copolymer surfactants. Pentamethyldisiloxane can also be used as source of the trimethylsilyl functional group in organic synthesis.
Uses
Pentamethyldisiloxane is used in the synthesis of siloxane-polyether copolymer surfactants. It is also used as source of trimethylsilyl functional group in organic synthesis.
Synthesis
Take prepared potassium trimethylsilanolate 1.12kg in 2L of anhydrous tetrahydrofuran, was added dropwise with stirring dimethylchlorosilane1kg, dropwise, room temperature reaction 1h, filtered, concentrated, extracted with ether, dried and concentrated to give a high purity of 98% or more of pentamethyl disiloxane 1.2kg.
PENTAMETHYLDISILOXANE Preparation Products And Raw materials
Raw materials
Preparation Products
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PENTAMETHYLDISILOXANE Suppliers
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View Lastest Price from PENTAMETHYLDISILOXANE manufacturers
Hubei Changfu Chemical Co., Ltd.
- Product
- 1,1,1,3,3-Pentamethyldisiloxane 1438-82-0
- Price
- US $0.00/kg
- Min. Order
- 1kg
- Purity
- 95
- Supply Ability
- 20 tons
- Release date
- 2024-03-12
Shanghai Daken Advanced Materials Co.,Ltd
- Product
- PENTAMETHYLDISILOXANE 1438-82-0
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 98%
- Supply Ability
- 1000KG /month
- Release date
- 2021-11-22
Hong Kong Tiansheng New Material Trading Co., Ltd
- Product
- Pentamethyl Disiloxane 1438-82-0
- Price
- US $14.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 100KG
- Release date
- 2021-09-24
1438-82-0, PENTAMETHYLDISILOXANERelated Search:
Sodium thiosulfate pentahydrate
1,3-BIS(3-AMINOPROPYL)TETRAMETHYLDISILOXANE
1,3-Bis(chloromethyl)-1,1,3,3-tetramethyldisiloxane
1,3-BIS(DICHLOROMETHYL)-1,1,3,3-TETRAMETHYLDISILOXANE
Hexamethyldisiloxane
HEXAPHENYLDISILOXANE
1,3-DIPHENYL-1,1,3,3-TETRAMETHYLDISILOXANE
1,3-BIS(4-HYDROXYBUTYL)TETRAMETHYLDISILOXANE
HEXAETHYLDISILOXANE
3,3-DIPHENYLHEXAMETHYLTRISILOXANE
1,3-bis(3-glycidoxypropyl)tetramethyldisiloxane
Divinyltetramethyldisiloxane
DODECAMETHYLPENTASILOXANE
Octamethyltrisiloxane
DECAMETHYLTETRASILOXANE
1,3-BIS(ACETOXYMETHYL)-1,1,3,3-TETRAMETHYLDISILOXANE
BIS(BROMOMETHYL)TETRAMETHYLDISILOXANE
1,3-BIS(3-CYANOPROPYL)TETRAMETHYLDISILOXANE