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2,2′-Dihydroxy-4-methoxybenzophenone

2,2′-Dihydroxy-4-methoxybenzophenone structure

CAS No:
131-53-3
Formula:
C14H12O4
Chemical Name:
2,2′-Dihydroxy-4-methoxybenzophenone
Synonyms:
Methanone,(2-hydroxy-4-methoxyphenyl)(2-hydroxyphenyl)-;Benzophenone,2,2′-dihydroxy-4-methoxy-;(2-Hydroxy-4-methoxyphenyl)(2-hydroxyphenyl)methanone;Cyasorb UV 24;Cyasorb UV 24 Light Absorber;2,2′-Dihydroxy-4-methoxybenzophenone;Dioxybenzone;Spectra-Sorb UV 24;Advastab 47;UF 2;UV 24;Dioxybenzon;Benzophenone 8;NSC 56769;Kemisorb 111;4-Methoxy-2,2′-dihydroxybenzophenone;DMB;Eversorb 52;BP 8;186100-79-8
Categories:
Catalyst and Auxiliary > UV Absorbers

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Description

yellow powderYellow powder.

2,2′-Dihydroxy-4-methoxybenzophenone Basic Attributes

Molecular Weight：

244.24

Exact Mass：

244.24

EC Number：

205-026-8

HScode：

29145090

Characteristics

PSA：

66.8

XLogP3：

3.93

Appearance：

2,2'-dihydroxy-4-methoxybenzophenone is a yellow powder. (NTP, 1992)

Density：

1.2379 (rough estimate)

Melting Point：

68 °C

Boiling Point：

170-175 °C @ Press: 1 Torr

Flash Point：

146.0±18.6 °C

Refractive Index：

1.5389 (estimate)

Water Solubility：

In water, 162 mg/L at 25 °C (est)

Storage Conditions：

Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.

Vapor Pressure：

1.94X10-7 mm Hg at 25 °C (est)

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

36/37/38

safety instructions：

26-36

RTECS Number：

DJ1049500

Marks：

Stability/Shelf Life：

Stable. Incompatible with strong oxidizing agents.

Precautionary statement(s)：

P261-P305 + P351 + P338

Hazard Statements：

H315-H319-H335

2,2′-Dihydroxy-4-methoxybenzophenone Use and Manufacturing

Methods of Manufacturing

By resorcinol and salicyl chloride condensation, and then methylated with dimethyl sulfate.

Uses

This product is an ultraviolet absorber, suitable for many plastics such as polyvinyl chloride, ABS resin, acrylic resin, polyurethane, melamine resin, and cellulose resin. This product is a benzophenone containing two ortho-hydroxyl groups. It has the strongest ability to absorb ultraviolet light and has a strong absorption effect on ultraviolet light with a wavelength of 330-370nm. The disadvantage is that it also absorbs part of the visible light, making the product slightly yellow. The product has good compatibility with the resin, and the general dosage is 0.25-3%. It also has a good light stabilization effect in paint. Oral LD50 for rats is 10000mg/kg, and it has no irritation to skin and eyes.

Computed Properties

Molecular Weight:244.24
XLogP3:3.3
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:3
Exact Mass:244.07355886
Monoisotopic Mass:244.07355886
Topological Polar Surface Area:66.8
Heavy Atom Count:18
Complexity:292
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Resorcinol

Salicylic acid

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Guide of 2,2′-Dihydroxy-4-methoxybenzophenone

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Material
Recommended Suppliers
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2,2′-Dihydroxy-4-methoxybenzophenone

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