UV Absorber UV-P
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Category：Paint chemicals Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
CAS No. 2440-22-4
Content 98%
Packing 25kg/bag
Names and Identifiers
| Name | 2-(2′-Hydroxy-5′-methyl-phenyl)benzotriazole |
| Synonyms | UV-P UV P Benazol P Tinuvin P PrimesorbP LOTSORB UV P Drometrizole UV absorber-P UV absorber UV-P 2H-benzotriazole Ultraviolet absorber UV-P Ultraviolet absorbent UV-P 2-(2-Benzotriazolyl)-p-cresol 2-(2h-benzotriazol-2-yl)-p-creso 2-(2H-Benzotriazol-2-yl)-p-cresol 2-(2-Benzotriazolyl)-4-methylphenol 2-(2h-benzotriazol-2-yl)-4-methyl-pheno 2-(2H-benzotriazol-2-yl)-4-methylphenol 2-(2H-Benzotriazol-2-yl)-p-cresol(UV-P) 2-(2-Hydroxy-5-methyl-phenyl)benzotriazole 2-(2′-Hydroxy-5′-methyl-phenyl)benzotriazole 2-(2H-1,2,3-Benzotriazol-2-yl)-4-methylphenol 2-(2-hydroxy-5-methyl-phenyl)-2H-benzotriazole |
| CAS | 2440-22-4 |
| EINECS | 219-470-5 |
| InChI | InChI=1/C13H11N3O/c1-9-6-7-13(17)12(8-9)16-14-10-4-2-3-5-11(10)15(14)16/h2-8,17H,1H3 |
| InChIKey | MCPKSFINULVDNX-UHFFFAOYSA-N |
2440-22-4 – Physico-chemical Properties
| Molecular Formula | C13H11N3O |
| Molar Mass | 225.25 |
| Density | 1.38 |
| Melting Point | 125.5-129.5°C(lit.) |
| Boling Point | bp10 225° |
| Flash Point | 54°C |
| Water Solubility | 173μg/L at 20℃ |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 0Pa at 20℃ |
| Appearance | Colorless crystal |
| Color | Off-White to Pale Yellow |
| Merck | 14,3447 |
| pKa | 8.15±0.43(Predicted) |
| Storage Condition | 15-25°C |
| Refractive Index | 1.5600 (estimate) |
| MDL | MFCD00022903 |
| Physical and Chemical Properties | Appearance: light yellow crystal or powderContent: ≥ 99% (HPLC)Melting Point: 128-132 ℃transmittance:440nm≥98%500nm≥99% |
| Use | Used as polyester, polystyrene, acrylic resin, polyvinyl chloride and other plastics, fiber and coating of the ultraviolet absorber |
2440-22-4 – Risk and Safety
| Hazard Symbols | Xi – Irritant |
| Risk Codes | R36/37/38 – Irritating to eyes, respiratory system and skin. R53 – May cause long-term adverse effects in the aquatic environment R43 – May cause sensitization by skin contact |
| Safety Description | S22 – Do not breathe dust. S24/25 – Avoid contact with skin and eyes. S36/37 – Wear suitable protective clothing and gloves. |
| WGK Germany | 1 |
| RTECS | GO6860000 |
| HS Code | 29339900 |
| Toxicity | LD50 oral in mouse: 6500mg/kg |
Reference Information
| LogP | 4.2 at 25℃ |
| features & uses | as ultraviolet absorber, this product is mainly suitable for polyester, epoxy cellulose acetate, polyvinyl chloride, polystyrene, plexiglass, polyacrylonitrile resin, etc. The maximum absorption wavelength range is 270-380nm. General dosage: 0.1-0.5% for thin products and 0.05-0.2% for thick products. |
| store | avoid yang, high light, moisture, and avoid light stabilizers containing sulfur or halogen elements. It needs to be stored under sealed, dry and dark conditions. |
| use | used as ultraviolet absorber for plastics, fibers and coatings such as polyester, polystyrene, acrylic resin, polyvinyl chloride |
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