2,2′-Dihydroxy-4-methoxybenzophenone
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2,2′-Dihydroxy-4-methoxybenzophenone
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CAS No:
131-53-3
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Formula:
C14H12O4
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Chemical Name:
2,2′-Dihydroxy-4-methoxybenzophenone
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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
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CAS No:
Characteristics
66.8
3.93
2,2'-dihydroxy-4-methoxybenzophenone is a yellow powder. (NTP, 1992)
1.2379 (rough estimate)
68 °C
170-175 °C @ Press: 1 Torr
146.0±18.6 °C
1.5389 (estimate)
In water, 162 mg/L at 25 °C (est)
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.
1.94X10-7 mm Hg at 25 °C (est)
Safety Information
NONH for all modes of transport
3
36/37/38
26-36
DJ1049500
Xi
Stable. Incompatible with strong oxidizing agents.
P261-P305 + P351 + P338
H315-H319-H335
2,2′-Dihydroxy-4-methoxybenzophenone Use and Manufacturing
By resorcinol and salicyl chloride condensation, and then methylated with dimethyl sulfate.
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
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2,2′-Dihydroxy-4-methoxybenzophenone
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