Octamethylcyclotetrasiloxane (D4)
Product Name: D4 Silicone Octamethylcyclotetrasiloxane
Molecular Formula: (CH3 ) 8 Si4 O4
OctamethylcyclotetrasiloxaneCASNo.: 556-67-2
Physical and Chemical Properties:
Freezing Point: 17~18℃
Boiling Point: 175-176℃
Flash Point: 60℃ Relative Density（water=1）: 0.956
Appearance: Colorless transparent liquid without visible impurity
Technical Data of D4 Octamethylcyclotetrasiloxane
|
Item |
Index |
|
Chroma/ Platinum-cobalt scale/ Hazen unit |
≤10 |
|
Refractive index nD20 |
|
|
Content of Octamethyl cyclotetrasiloxane/% |
≥99.0 |
Octamethylcyclotetrasiloxane Uses
It is colorless, inflammable, and can not dissolve in water, but dissolve in organic solvents such as benzene, etc. It can be used to synthesize organic silicon polymer by acid or alkali catalysis to manufacture silicone oil, silicone rubber, etc. It can also be used directly as a treating agent for rubber stuffing and the raw material for cosmetics.
Preparation Method of Octamethylcyclotetrasiloxane
Dimethyl dichlorosilane is added dropwise to water, the temperature is maintained at 30-40℃, stratified, the acidic water is released, the oily substance is hydrolyzed with sodium hydroxide solution, the hydrolysate and 0.5%-2% potassium hydroxide are added into the cracking kettle and cracked at 120-140℃ and 99.8kPa vacuum. The cracked material is fractionated and the fraction is collected at 173-176°C to obtain d4 silicone octamethylcyclotetrasiloxane.
As one of silicone suppliers, we will do our best to meet all the needs of customers.
Отправить запрос, связаться с поставщиком
Другие товары поставщика
 |
Polydimethylsiloxane | Name: Hydroxy Terminated Polydimethylsiloxane (Methyl Silicone PDMSOil) Melt Point (℃): -59 Spontaneous combustion point (℃): 450 Saturat... |
 |
Silicone Fluid | Silicone fluids have unique properties because they are not products of petroleum or organic chemistry. They were the first, and are still the only... |
 |
Trimethylchlorosilane (M3) | Name: Trimethylchlorosilane Feature: Trimethyl chloro silaneis a colorless or light yellow transparent irritating liquid. Trimethylchlo... |
 |
SILICON-BASED PRODUCT | Types of Silicon-Based Product We offer a full range of high-quality products and services with over 4 000 catalog products and custom solution of... |
 |
RTV Silicone Rubber | RTV rubber siliconeis a straight chain of high molecular weight polysiloxane, molecular weight is generally more than 150,000, its structure is sim... |
Похожие товары
 |
Чистая эссенция астрагала — природная сила вашего здоровья. | Продавец: 陕西致一生物科技有限公司 | Астрагалозид А — это тритерпеновый сапонин циклоартанового типа, экстрагируемый и очищаемый... |
 |
Нобилетин — Чистый цитрус, природное здоровье | Продавец: 陕西致一生物科技有限公司 | Нобилетин — природный полиметоксилированный флавон, получаемый из кожуры цитрусовых. CAS: 4... |
 |
High melting point Fischer Tropsch wax candle raw material | Продавец: Syntop chemical Co.,Ltd. | Fischer-Tropsch wax can be used in candle manufacturing, often as a substitute for or a modifier ... |
 |
Лучшее рафинированное подсолнечное масло | Компания Eco Edge Limited | Продавец: 863141 | Компания Eco Edge Company Limited Tanzania – ведущий поставщик высококачественной сельскохо... |
 |
Органическое подсолнечное масло | Высококачественное рафинированное подсолнечное масло | Продавец: 863141 | Компания Eco Edge Company Limited Tanzania – ведущий поставщик высококачественной сельскохо... |
