Contact us: +91 9550333722 040 - 40102781
Structured search
India
Choose your country
Different countries will display different contents
Try our best to find the right business for you.
My chemicalbook

Welcome back!

HomeProduct name list2-HYDROXY-4-METHOXY-4'-METHYLBENZOPHENONE

2-HYDROXY-4-METHOXY-4'-METHYLBENZOPHENONE

  • CAS NO.:1641-17-4
  • Empirical Formula: C15H14O3
  • Molecular Weight: 242.27
  • MDL number: MFCD00017172
  • EINECS: 216-688-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-19 20:33:22
2-HYDROXY-4-METHOXY-4'-METHYLBENZOPHENONE Structural

What is 2-HYDROXY-4-METHOXY-4'-METHYLBENZOPHENONE?

Originator

Uvistat-L,Ward Blenkinsop,UK,1960

The Uses of 2-HYDROXY-4-METHOXY-4'-METHYLBENZOPHENONE

sunscreen

The Uses of 2-HYDROXY-4-METHOXY-4'-METHYLBENZOPHENONE

2-Hydroxy-4-methoxy-4'-methyl-benzophenone is an UV absorbing agent in sunscreen cosmetic creams, lotions, lipstieks, sun oils, etc.

Preparation

Preparation by Friedel–Crafts acylation of m-methoxy-phenol with p-toluoyl chloride,
in the presence of boron trichloride in benzene first at ?10°, then at reflux for 10 h under nitrogen (80%)
in the presence of titanium tetrachloride in benzene first at ?10°, then at reflux for 14 h under nitrogen (73%) or in chlorobenzene for 1 h at 120° (79%).

Definition

ChEBI: Mexenone is a member of benzophenones.

Manufacturing Process

p-Toluoyl chloride is the starting material. To this is added chlorobenzene and 1,3-dimethoxybenzene. The reaction mixture is cooled to 12°C in an ice bath and aluminum chloride is added gradually, keeping the reaction below 30°C. The reaction is then gradually heated to 115°C with the evolution of hydrogen chloride gas. As the temperature increases, the reaction mixture becomes thicker. At 105°C, dimethyl formamide is added slowly. The reaction is heated at 115°C for a short time and is then poured into concentrated hydrochloric acid. The reaction mixture pours very easily and very cleanly. The acid mixture is heated with steam to dissolve all the material which had not hydrolyzed and the mixture is filtered. The red chlorobenzene layer is separated and washed twice with hot water.
To the chlorobenzene solution is then added sodium hydroxide dissolved in water and the chlorobenzene is removed by a steam distillation. After all of the chlorobenzene is removed, the precipitate which forms during the distillation is removed by filtration and discarded. The solution is cooled and acidified with hydrochloric acid, precipitating a tan solid. This is removed by filtration and washed acid-free. It is then treated with sodium bicarbonate solution to remove any acid present and is then washed with water to remove all traces of bicarbonate. After drying approximately a 75% yield of mexenone is obtained.

Therapeutic Function

Sunscreen agent

Contact allergens

BZP-10 is exceptionally positive in ketoprofen-photosensitive patients.

Properties of 2-HYDROXY-4-METHOXY-4'-METHYLBENZOPHENONE

Melting point: 99-102°C
Boiling point: 345.09°C (rough estimate)
Density  1.1515 (rough estimate)
refractive index  1.5570 (estimate)
storage temp.  Inert atmosphere,Room Temperature
solubility  Chloroform (Slightly, Heated), Methanol (Slightly, Heated)
form  Solid
pka 7.35±0.35(Predicted)
color  Pale Yellow to Light Yellow
Merck  14,6167
BRN  1972646
CAS DataBase Reference 1641-17-4(CAS DataBase Reference)

Safety information for 2-HYDROXY-4-METHOXY-4'-METHYLBENZOPHENONE

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H317:Sensitisation, Skin
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P272:Contaminated work clothing should not be allowed out of the workplace.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention.
P337+P313:IF eye irritation persists: Get medical advice/attention.

Computed Descriptors for 2-HYDROXY-4-METHOXY-4'-METHYLBENZOPHENONE

Related products of tetrahydrofuran

You may like

  • 1641-17-4 Mexenone 99%
    1641-17-4 Mexenone 99%
    1641-17-4
    View Details
  • Mexenone CAS 1641-17-4
    Mexenone CAS 1641-17-4
    1641-17-4
    View Details
  • 2-HYDROXY-4-METHOXY-4''-METHYLBENZOPHENONE CAS 1641-17-4
    2-HYDROXY-4-METHOXY-4''-METHYLBENZOPHENONE CAS 1641-17-4
    1641-17-4
    View Details
  • 1823368-42-8 98%
    1823368-42-8 98%
    1823368-42-8
    View Details
  • 2-(3-(tert-butyl)phenoxy)-2-methylpropanoic acid 1307449-08-6 98%
    2-(3-(tert-butyl)phenoxy)-2-methylpropanoic acid 1307449-08-6 98%
    1307449-08-6
    View Details
  • Ethyl 3-(furan-2-yl)-3-hydroxypropanoate 25408-95-1 98%
    Ethyl 3-(furan-2-yl)-3-hydroxypropanoate 25408-95-1 98%
    25408-95-1
    View Details
  • 2-Chloro-5-fluoro-1-methoxy-3-methylbenzene 98%
    2-Chloro-5-fluoro-1-methoxy-3-methylbenzene 98%
    1805639-70-6
    View Details
  • Lithium Clavulanate
    Lithium Clavulanate
    61177-44-4
    View Details
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.