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131-57-7

131-57-7 Structure

131-57-7 Structure
IdentificationMore
[Name]

Oxybenzone
[CAS]

131-57-7
[Synonyms]

2-Benzoyl-5-methoxyphenol
2'-HYDROXY-4'-METHOXY BENZOPHENONE
2-HYDROXY-4-METHOXYBENZOPHENONE
3-BENZOPHENONE
4-methoxy-2-hydroxybenzophenone
BENZOPHENONE-3
EUSOLEX(R) 4360
HMB
NEO HELIOPAN BB
OXYBENZONE
PROSORB UV 200
UV-ABSORBER BAYER 325
(2-hydroxy-4-methoxyphenyl)phenyl-methanon
(2-Hydroxy-4-methoxyphenyl)phenylmethanone
(2-hydroxy-4-methoxyphenyl)phenyl-Methanone
2-hydroxy-4-methoxy-benzophenon
4-Methoxy-2-hydroxybenzophenone butyric acid
Advastab 45
advastab45
Anuvex
[EINECS(EC#)]

205-031-5
[Molecular Formula]

C14H12O3
[MDL Number]

MFCD00008387
[Molecular Weight]

228.24
[MOL File]

131-57-7.mol
Chemical PropertiesBack Directory
[Appearance]

white to light yellow crystalline powder
[Melting point ]

62-64 °C(lit.)
[mp ]

62-64 °C(lit.)
[Boiling point ]

150-160 °C5 mm Hg(lit.)
[bp ]

150-160 °C5 mm Hg(lit.)
[density ]

1,3 g/cm3
[refractive index ]

1.5805 (estimate)
[Fp ]

216°C
[storage temp. ]

2-8°C
[solubility ]

95% ethanol: soluble50mg/mL, clear, colorless
[form ]

Crystalline Powder
[color ]

White to light yellow
[Water Solubility ]

<0.1 g/100 mL at 20 ºC
[Merck ]

14,6954
[BRN ]

1913145
[Contact allergens]

BZP-3 is used as a direct sunscreen agent and in antiaging creams. Allergic reactions have been reported. Cross-reactivity is expected in an average of one in four patients photoallergic to ketoprofen.
[Uses]

oxybenzone (benzophenone-3) is the drug name for an FDAapproved uV filter and absorber.
[Uses]

benzophenone-3 (oxybenzone) is an oil-soluble uV absorber and filter with absorption rates within the uVA and uVB peak ranges. It has an approved usage level of up to 6 percent in the united States and 10 percent in the european union. Benzophenone-3 enhances SPF and is popular among sunscreen formulators given a concern over potential safety problems associated with more traditional sunscreen chemicals. However, some reports associate it with causing photocontact allergy. It is considered a non-comedogenic raw material.
[CAS DataBase Reference]

131-57-7(CAS DataBase Reference)
[NIST Chemistry Reference]

Oxybenzone(131-57-7)
[EPA Substance Registry System]

131-57-7(EPA Substance)
Hazard InformationBack Directory
[Uses]

Oxybenzone is an organic compound used in sunscreens. Oxybenzone is used as an ingredient in sunscreen and other cosmetics because it absorbs UVB and short-wave UVA (ultraviolet) rays. Oxybenzone was one of the first compounds incorporated into sunscreen formulations to offer enhanced UVA protection because its absorption spectrum extends to less than 350 nm.
[Uses]

Sunscreen. UV stabilizer
[Uses]

ultraviolet screen
[Uses]

Ultraviolet light absorber and stabilizer, especially in plastics and paints.
[Definition]

ChEBI: A hydroxybenzophenone that is benzophenone which is substituted at the 2and 4-positions of one of the benzene rings by hydroxy and methoxy groups respectively.
[General Description]

White to off-white or light yellow powder.
[Air & Water Reactions]

Insoluble in water.
[Fire Hazard]

Flash point data for this chemical are not available; however, 2-HYDROXY-4-METHOXYBENZOPHENONE is probably combustible.
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[RIDADR ]

UN 3077 9/PG III
[WGK Germany ]

2
[RTECS ]

DJ1575000
[TSCA ]

Yes
[HazardClass ]

9
[PackingGroup ]

III
[HS Code ]

29145000
[Safety Profile]

Poison by intraperitoneal route. Mddly toxic by ingestion. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
[Hazardous Substances Data]

131-57-7(Hazardous Substances Data)
[Toxicity]

LD50 orally in rats: >12.8 g/kg (Lewerenz)
Raw materials And Preparation ProductsBack Directory
【Raw materials】

Dimethyl sulfate-->Benzoyl chloride
【Preparation Products】

photosensitive polyimide/SiO2 hybrid mate materials
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

2-Hydroxy-4-methoxybenzophenone(131-57-7).msds
Questions And AnswerBack Directory
[Chemical properties]

light yellow crystalline powder, soluble in ethanol, acetone and other organic solvents, insoluble in water.
[Application and Synthesis]

UV-9 is a light yellow or white crystalline powder, also known as sunscreen 2, BP-3, suitable for polyvinyl chloride, polyvinylidene chloride, polymethyl methacrylate , unsaturated polyester, ABS resin and cellulose resin and other plastics, the maximum absorption wavelength range of 280-340 nm, the general amount of 0.1-1.5%, good thermal stability, does not decompose at 200 ℃. This product hardly absorb visible light, it applies to light-colored transparent products. This product can also be used for paints and synthetic rubber. For the broad-spectrum UV absorbers, with high absorption rate, non-toxic, non-teratogenic effect, light, thermal stability. UV-9 can absorb UV-A and UV-B together, is the US FDA approved Class I sunscreen and being used with a higher frequency in the US and European countries. UV-9 is widely used in sunscreen cream, cream, honey, lotion, oil and other sunscreen cosmetics, but also as a product from the photosensitive and discoloration of the anti-discoloration agent. In addition, it is usually used for PVC and unsaturated polyester and many other fields, because UV-9 has good compatibility with many kinds of plastics and resins.
[Improvement of UV - 9 Production Process]

Using mixed acid as catalyst, trichloromethylbenzene and resorcinol were condensed into intermediate 2,4-dihydroxydiphenyl ketone in aqueous phase, and then the catalyst was treated with phase transfer catalyst, etherification of the target product UV-9.
Spectrum DetailBack Directory
[Spectrum Detail]

Oxybenzone(131-57-7) 13C NMR
Oxybenzone(131-57-7) 1H NMR
Oxybenzone(131-57-7) IR1
Oxybenzone(131-57-7) Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

2-Hydroxy-4-methoxybenzophenone, 98%(131-57-7)
[Alfa Aesar]

2-Hydroxy-4-methoxybenzophenone, 98+%(131-57-7)
[Sigma Aldrich]

131-57-7(sigmaaldrich)
[TCI AMERICA]

2-Hydroxy-4-methoxybenzophenone,>99.0%(GC)(131-57-7)
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