556-68-3
hexadecamethylcyclooctasiloxane
CAS: 556-68-3
Molecular Formula: C16H48O8Si8
556-68-3 - Names and Identifiers
556-68-3 - Physico-chemical Properties
| Molecular Formula | C16H48O8Si8 |
| Molar Mass | 593.23152 |
| Density | 1.1770 |
| Melting Point | 31.5°C |
| Boling Point | 168°C/20mmHg(lit.) |
| Appearance | morphological solid |
| Storage Condition | Room Temprature |
| Refractive Index | 1.4060 |
| Physical and Chemical Properties | EPA Chemical Substance Information Cyclooctasiloxane, hexadecamethyl- (556-68-3) |
556-68-3 - Upstream Downstream Industry
| Downstream Products | Tetradecamethylcycloheptasiloxane |
556-68-3 - Introduction
(Abbreviated as D4) is an organic silicon compound whose chemical formula is C16H48O8Si8. The following is a description of the nature, use, formulation and safety information of D4:
Nature:
-Appearance: D4 is a colorless and transparent liquid.
-Boiling point: About 210 degrees Celsius.
-Density: About 1.04g/cm3.
-Solubility: D4 can be dissolved in a variety of organic solvents, such as ethanol, chloroform and dimethyl benzene.
Use:
- D4 is widely used in cosmetics and personal care products as a solvent, wetting agent and plasticizer.
-It is also used in softeners, anti-wrinkle care products, perfumes and hair products.
Method:
-Normally, D4 is prepared by direct synthesis or cyclosilicone method.
-Direct synthesis method: D4 is produced by reacting silanol and cyclosilicone.
-Cyclic silicone method: through the reaction of conjugated alkyl silanol and cyclotetrasiloxane, and then through the condensation of cyclic silicon.
Safety Information:
- D4 is considered to be not significantly toxic to humans and the environment under normal conditions of use.
-However, for prolonged exposure to higher concentrations may cause eye and skin irritation.
-Avoid inhalation of vapors and contact with skin and eyes. If contact occurs, wash the affected area thoroughly.
-Be sure to comply with relevant safe operating methods during use, and store and handle in accordance with product instructions.
Please note that the above information is for reference only. In the actual use and handling of the compound, please follow the relevant safety procedures and laws and regulations.
Nature:
-Appearance: D4 is a colorless and transparent liquid.
-Boiling point: About 210 degrees Celsius.
-Density: About 1.04g/cm3.
-Solubility: D4 can be dissolved in a variety of organic solvents, such as ethanol, chloroform and dimethyl benzene.
Use:
- D4 is widely used in cosmetics and personal care products as a solvent, wetting agent and plasticizer.
-It is also used in softeners, anti-wrinkle care products, perfumes and hair products.
Method:
-Normally, D4 is prepared by direct synthesis or cyclosilicone method.
-Direct synthesis method: D4 is produced by reacting silanol and cyclosilicone.
-Cyclic silicone method: through the reaction of conjugated alkyl silanol and cyclotetrasiloxane, and then through the condensation of cyclic silicon.
Safety Information:
- D4 is considered to be not significantly toxic to humans and the environment under normal conditions of use.
-However, for prolonged exposure to higher concentrations may cause eye and skin irritation.
-Avoid inhalation of vapors and contact with skin and eyes. If contact occurs, wash the affected area thoroughly.
-Be sure to comply with relevant safe operating methods during use, and store and handle in accordance with product instructions.
Please note that the above information is for reference only. In the actual use and handling of the compound, please follow the relevant safety procedures and laws and regulations.
Last Update：2024-04-09 20:45:29
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Spot supply
Product Name: Simethicone Impurity 16 Visit Supplier Webpage Request for quotationCAS: 556-68-3
Tel: 0714-3999186
Email: 2853786052@qq.com
Mobile: 86+15671228036
QQ: 2853786052
Wechat: 15671228036
Product Name: hexadecamethylcyclooctasiloxane Visit Supplier Webpage Request for quotation
CAS: 556-68-3
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
CAS: 556-68-3
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
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Downstream Products for 556-68-3