Uvinul D49
2,2'-Dihydroxy-4,4'-dimethoxybenzophenone
CAS: 131-54-4
Molecular Formula: C15 H14 O5
Uvinul D49 - Names and Identifiers
| Name | 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone |
| Synonyms | UV-6,BP-6 Uvinul D49 Cyasorb UV 12 Benzophenone 6 Benzophenone-6 BENZOPHENONE-6 UV absorber UV BP-6 2,2-DIHDROXY-4,4-DIMETHOXYBENZOPHENONE bis(2-hydroxy-4-methoxyphenyl)-methanon bis(2-hydroxy-4-methoxyphenyl)methanone 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone 2,2'-Dihydrooxy-4,4'-Dimethoxy benzophenone Benzophenone, 2,2'-dihydroxy-4,4'-dimethoxy- |
| CAS | 131-54-4 |
| EINECS | 205-027-3 |
| InChI | InChI=1/C15H14O5/c1-19-9-3-5-11(13(16)7-9)15(18)12-6-4-10(20-2)8-14(12)17/h3-8,16-17H,1-2H3 |
| InChIKey | SODJJEXAWOSSON-UHFFFAOYSA-N |
Uvinul D49 - Physico-chemical Properties
| Molecular Formula | C15 H14 O5 |
| Molar Mass | 274.27 |
| Density | 1.2662 (rough estimate) |
| Melting Point | 133-136°C(lit.) |
| Boling Point | 377.26°C (rough estimate) |
| Flash Point | 164.4°C |
| Water Solubility | negligible |
| Solubility | Chloroform (Slightly), Methanol (Slightly, Heated) |
| Vapor Presure | 2.49E-08mmHg at 25°C |
| Appearance | Yellow lens powder |
| Color | Pale Yellow to Light Yellow |
| Merck | 14,1099 |
| BRN | 1887087 |
| pKa | 6.81±0.35(Predicted) |
| Storage Condition | 2-8°C(protect from light) |
| Refractive Index | 1.5000 (estimate) |
| MDL | MFCD00009606 |
| Physical and Chemical Properties | Light yellow crystals. Melting point 139-140 °c. Soluble in ethyl acetate, methyl ethyl ketone and toluene, insoluble in water. |
| Use | Used as an ultraviolet absorber |
Uvinul D49 - 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 S22 - Do not breathe dust. |
| WGK Germany | 3 |
| RTECS | DJ0900000 |
| TSCA | Yes |
| HS Code | 29145090 |
Uvinul D49 - Reference Information
| LogP | 3.9-4.1 |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | 2,2 '-dihydroxy-4, 4'-dimethoxybenzophenone is used as an ultraviolet absorber, especially in paints and plastics. This product is a benzophenone ultraviolet absorber. Ultraviolet absorber is the most commonly used light stabilizer at present. It is a kind of substance that can strongly and selectively absorb high-energy ultraviolet light and carry out energy conversion, and release or consume energy in the form of heat energy or harmless low-energy radiation. Benzophenone containing an ortho hydroxyl group only absorbs ultraviolet light below 380nm, and hardly absorbs visible light. The product has strong absorption in the wavelength range of 270-380nm, and is suitable for polyvinyl chloride, acrylic resin, epoxy resin, phenolic resin, nitrocellulose and polyurethane. But the product can absorb part of the visible light, making the product slightly yellow. Oral LD50 to rats is 3000mg/kg. Used as UV absorber |
| production method | is obtained by condensation of isophthalic ether and phosgene, then hydrolysis with alkali, and then acidification. |
| category | toxic substances |
| flammability hazard characteristics | combustible; smoke stimulated by thermal decomposition |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-05-20 13:28:42
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View History
Uvinul D49
1-Propanaminium, N-(butoxymethyl)-2-hydroxy-N,N-dimethyl-, chloride (1:1)
4-amino-3-chlorobenzenesulfonyl fluoride
2-Furancarboxamide, 5-[(1S,2S,3Z)-1,2-bis(methoxymethoxy)-3-hexen-1-yl]-2,3-dihydro-2-[(1R)-1-(methoxymethoxy)-2-oxo-3-phenylpropyl]-4-methyl-3-oxo-, (2S)-
Benzo[b]thiophene-2-carboxylic acid, 4-fluoro-3-(4-morpholinylsulfonyl)-, methyl ester
3-(5-Methyl-2H-pyrazol-3-yl)-pyridine
2-(4-benzoyl-3-hydroxyphenoxy)ethyl prop-2-enoate
Corson-d5
N-{[4-(methylsulfanyl)phenyl]methyl}naphthalen-1-amine
2-(3,5-dimethylphenoxy)-N-(4-{[(4,6-dimethyl-2-pyrimidinyl)amino]sulfonyl}phenyl)acetamide
1-Propanaminium, N-(butoxymethyl)-2-hydroxy-N,N-dimethyl-, chloride (1:1)
4-amino-3-chlorobenzenesulfonyl fluoride
2-Furancarboxamide, 5-[(1S,2S,3Z)-1,2-bis(methoxymethoxy)-3-hexen-1-yl]-2,3-dihydro-2-[(1R)-1-(methoxymethoxy)-2-oxo-3-phenylpropyl]-4-methyl-3-oxo-, (2S)-
Benzo[b]thiophene-2-carboxylic acid, 4-fluoro-3-(4-morpholinylsulfonyl)-, methyl ester
3-(5-Methyl-2H-pyrazol-3-yl)-pyridine
2-(4-benzoyl-3-hydroxyphenoxy)ethyl prop-2-enoate
Corson-d5
N-{[4-(methylsulfanyl)phenyl]methyl}naphthalen-1-amine
2-(3,5-dimethylphenoxy)-N-(4-{[(4,6-dimethyl-2-pyrimidinyl)amino]sulfonyl}phenyl)acetamide