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Pentamethyldisiloxane

Pentamethyldisiloxane Structure
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
Molecular Weight:
148.35
MOL File:
1438-82-0.mol
MSDS File:
SDS
Modify Date:
2024/3/12 22:07:32
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Pentamethyldisiloxane Properties

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
Specific Gravity 0.758
color Colorless to Almost colorless
Water Solubility Not miscible or difficult to mix in water.
Hydrolytic Sensitivity 3: reacts with aqueous base
Sensitive Moisture Sensitive
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)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS02
Signal word  Danger
Hazard statements  H225
Precautionary statements  P210
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
NFPA 704
3
0 0

Pentamethyldisiloxane price More Price(3)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) 76840 Pentamethyldisiloxane ≥95.0% 1438-82-0 5ML ₹9028.05 2022-06-14 Buy
TCI Chemicals (India) P1535 1,1,1,3,3-Pentamethyldisiloxane min. 95.0 % 1438-82-0 5ML ₹3500 2022-05-26 Buy
TCI Chemicals (India) P1535 1,1,1,3,3-Pentamethyldisiloxane min. 95.0 % 1438-82-0 25ML ₹8200 2022-05-26 Buy
Product number Packaging Price Buy
76840 5ML ₹9028.05 Buy
P1535 5ML ₹3500 Buy
P1535 25ML ₹8200 Buy

Pentamethyldisiloxane Chemical Properties,Uses,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.

Synthesis

Synthesis_1438-82-0
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

DIMETHYLSILANE 3-AMINOPROPYLPENTAMETHYLDISILOXANE

Pentamethyldisiloxane Suppliers

Global( 161)Suppliers
Supplier Tel Country ProdList Advantage Inquiry
A.J Chemicals 91-9810153283 New Delhi, India 6124 58 Inquiry
CLEARSYNTH LABS LTD. +91-22-45045900 Hyderabad, India 6351 58 Inquiry
CHEMSWORTH +91-261-2397244 New Delhi, India 6707 30 Inquiry
TCI Chemicals (India) Pvt. Ltd. 1800 425 7889 New Delhi, India 6778 58 Inquiry
Shanghai Zhuangming Biopharma Co., Ltd. +86-19189228086 +86-18858568638 China 629 58 Inquiry
Hubei Changfu Chemical Co., Ltd. +86-027-84396550 +8617721064038 China 414 58 Inquiry
Shanghai Daken Advanced Materials Co.,Ltd +86-371-66670886 China 18642 58 Inquiry
Henan Tianfu Chemical Co.,Ltd. +86-0371-55170693 +86-19937530512 China 21667 55 Inquiry
ATK CHEMICAL COMPANY LIMITED +undefined-21-51877795 China 32836 60 Inquiry
Shanghai Worldyang Chemical Co.,Ltd. +86-021-56795779 +8613651600618 China 1080 58 Inquiry
Supplier Advantage
A.J Chemicals 58
CLEARSYNTH LABS LTD. 58
CHEMSWORTH 30
TCI Chemicals (India) Pvt. Ltd. 58
Shanghai Zhuangming Biopharma Co., Ltd. 58
Hubei Changfu Chemical Co., Ltd. 58
Shanghai Daken Advanced Materials Co.,Ltd 58
Henan Tianfu Chemical Co.,Ltd. 55
ATK CHEMICAL COMPANY LIMITED 60
Shanghai Worldyang Chemical Co.,Ltd. 58

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pentamethyl-disiloxan PENTAMETHYLDISILOXANE PENTAMETHYLDISILOXANE 97+% (Trimethylsiloxy)dimethylsilane 1,1,1,3,3-Pentamethylpropanedisiloxane 2,2,4-Trimethyl-3-oxa-2,4-disilapentane Trimethylsiloxydimethylsilane Dimethyl(trimethylsilyloxy)silane 1,1,1,3,3-Pentamethyldisiloxane 1,1,1,3,3-Pentamethyl-disiloxane Disiloxane,pentamethyl- [(dimethylsilyl)oxy]trimethylsilane Disiloxane, 1,1,1,3,3-pentamethyl- DK541 1438-82-0 CH33SiOSiHCH32 C5H16OSi2 Organosilicon Organometallic Reagents Siloxanes Chemical Synthesis Organometallic Reagents Organosilicon Siloxanes