5-氯-2-羟基-4-甲基二苯甲酮

5-氯-2-羟基-4-甲基二苯甲酮 - Names and Identifiers

Name	5-Chloro-2-hydroxy-4-methylbenzophenone
Synonyms	5-Chloro-2-hydroxy-4-methylbenzophenone 5-CHLORO-2-HYDROXY-4-METHYLBENZOPHENONE (5-Chloro-2-hydroxy-4-methylphenyl)phenylmethanone Methanone, (5-chloro-2-hydroxy-4-methylphenyl)phenyl-
CAS	68751-90-6
EINECS	272-140-2
InChI	InChI=1/C14H11ClO2/c1-9-7-13(16)11(8-12(9)15)14(17)10-5-3-2-4-6-10/h2-8,16H,1H3

5-氯-2-羟基-4-甲基二苯甲酮 - Physico-chemical Properties

Molecular Formula	C14H11ClO2
Molar Mass	246.69
Density	1.1786 (rough estimate)
Melting Point	138-141°C(lit.)
Boling Point	350.79°C (rough estimate)
Flash Point	187.7°C
Vapor Presure	1.56E-06mmHg at 25°C
Appearance	powder to crystal
Color	White to Yellow to Green
pKa	7.57±0.48(Predicted)
Storage Condition	Room Temprature
Refractive Index	1.5380 (estimate)

5-氯-2-羟基-4-甲基二苯甲酮 - Risk and Safety

Hazard Symbols	Xi - Irritant
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. S37/39 - Wear suitable gloves and eye/face protection
WGK Germany	3

5-氯-2-羟基-4-甲基二苯甲酮 - Introduction

It is an organic compound with the chemical formula C14H11ClO2. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: It is a white solid.
-Solubility: It has better solubility in organic solvents, but poor solubility in water.
-Melting point: Its melting point is about 70-74 degrees Celsius.
-Stability: It is relatively stable at room temperature, but dangerous reactions may occur under the action of high temperature, open flame or oxidant.

Use:
-Anti-ultraviolet agent: It is a commonly used anti-ultraviolet agent. It can absorb ultraviolet rays and protect the skin from ultraviolet rays.
-Ingredients in cosmetics and skin care products: Due to its anti-ultraviolet properties, calcium is often used in cosmetics and skin care products, such as sunscreen, day cream and skin care lotion.

Preparation Method:
The main way of preparation is through the chlorination of 4-methyl benzophenone and subsequent hydroxylation reaction to complete.

Safety Information:
-For its toxicity and irritation, there is a lack of detailed data and research reports, so the evaluation of its safety is limited.
-When using, it is recommended to follow appropriate operating methods and personal protective measures, such as wearing gloves, goggles and protective clothing.
-When coming into contact with its powder or solution, avoid direct contact with skin and eyes, and rinse the contaminated area with plenty of water as soon as possible.
-If accidentally inhaled or ingested, seek medical attention immediately and bring the packaging container or label.

Please note that this information is for informational purposes only and that the safe operating instructions and the information provided by the manufacturer should be carefully read and followed when using or handling chemicals.

Last Update：2024-04-09 20:49:11