4-METHYL-7-TRIMETHYLSILOXYCOUMARIN

4-METHYL-7-TRIMETHYLSILOXYCOUMARIN - Names and Identifiers

Name	Methyltrimethylsiloxycoumarin
Synonyms	Methyltrimethylsiloxycoumarin 4-Methyl-7-trimethylsiloxycoumarin 4-METHYL-7-TRIMETHYLSILOXYCOUMARIN 4-Methyl-7-trimethylsilyloxycumarin 4-Methyl-7-triMethylsilyloxycouMarin 4-Methyl-7-trimethylsilanyloxy-chromen-2-one 4-methyl-7-[(trimethylsilyl)oxy]-2H-chromen-2-one 4-Methyl-7-((trimethylsilyl)oxy)-2H-chromen-2-one 2H-1-Benzopyran-2-one, 4-methyl-7-[(trimethylsilyl)oxy]-
CAS	67909-31-3
InChI	InChI=1/C13H16O3Si/c1-9-7-13(14)15-12-8-10(5-6-11(9)12)16-17(2,3)4/h5-8H,1-4H3

4-METHYL-7-TRIMETHYLSILOXYCOUMARIN - Physico-chemical Properties

Molecular Formula	C13H16O3Si
Molar Mass	248.35
Density	1.09g/cm³
Melting Point	182-184°C
Boling Point	317.5°C at 760 mmHg
Flash Point	121.2°C
Solubility	Chloroform, DMSO, Ethyl Acetate, Methanol
Vapor Presure	0.000384mmHg at 25°C
Appearance	Solid
Color	Pale-Yellow
Sensitive	7: reacts slowly with moisture/water
Refractive Index	1.575

4-METHYL-7-TRIMETHYLSILOXYCOUMARIN - Risk and Safety

Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
TSCA	No

4-METHYL-7-TRIMETHYLSILOXYCOUMARIN - Introduction

Methyltrimethylsiloxycoumarin(Methyltrimethylsiloxycoumarin) is a synthetic organic compound with the chemical formula C13H18O3Si.

Properties: Methyltrimethylsiloxycoumarin is a solid substance, its melting point is about 80-85 ℃. It is a colorless or yellowish crystal that gives a clear solution when dissolved in a common organic solvent.

Uses: The compound is commonly used as an ultraviolet absorber. Its special structure allows it to absorb ultraviolet rays and convert them into harmless heat energy. Therefore, it is often used in sunscreen products and other cosmetics that contain UV protection.

Preparation method: Methyltrimethylsiloxycoumarin can be obtained by chemical synthesis. A common synthesis method is by introducing a methyl group at the 4-position of the coumarin molecule and adding a trimethylsiloxy group to the 7-position by a corresponding reaction.

Safety information: There are currently few safety studies on Methyltrimethylsiloxycoumarin, so it needs to be used with caution. During use, care should be taken to prevent inhalation, contact with skin and eyes. In case of accidental contact, rinse immediately with plenty of water. In addition, it is recommended to read and follow the relevant safety guidelines before using any chemical to ensure safe use.

Last Update：2024-04-09 20:49:11