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UV ABSORBER UV 234 CAS NO.70321-86-7
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| Post Date: | Jul 07,2022 |
| Expiry Date: | Jul 07,2023 |
| Detailed Description: |
Cas No. :70321-86-7
Quantity: 50Metric Tons Price:Negotiable USD Kilograms Payment Method: T/T,L/C,D/P Chemical name: 2-[2'-hydroxy-3',5'-bis(-dimethyl benzyl)-phenyl]benzotriazole CAS No.：70321-86-7 Molecular formular：C30H29N3O Molecular weight： 447.6 Specification Appearance: Light yellow powder Purity, %: ≥ 99 Melting point，℃：139.5-141 Volatile matter, %: ≤ 0.5 Ash, %: ≤ 0.05 Transmittance 450nm≥97% 500nm≥98% Solubility (20℃, g/100ml solvent) Acetone:2 n-Hexane: 0.6 Benzene: 10 Ethyl acetate: 4 Toluene: 20 Chloroform: 35 Methylene chloride: 34 Ethanol: 0.3 Cyclohexane: 5 MEK: 13 Methanol＜0.1 Water＜0.01 Application UV ABSORBER HOSORB-234 is a high molecular weight ultraviolet light absorber (UVA) of the hydroxyphenyl benzotriazole class. It has low volatility at high temperatures and high resistance to thermal degradation for compounding and molding applications. It is highly effective for polymers processed at high temperature such as polycarbonate, polyester, polyacetal, PPO, polyamide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers etc.. It is also useful in the light stabilization of powder coatings and solvent-based coatings. Packing 25kg/fiber drum; 25kg/carton, or as per customer’s request. Storage Containers should be kept tightly closed when not in use. Store it in a dry, cool, well-ventilated shady place. Recommended Dosage Polyester: 0.3-0.5% PC: 0.3-0.5% PVC: 0.25-0.5% |
| CAS Registry Number: | 70321-86-7 |
| Synonyms: | ;UV-234;2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol;2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1 phenylethyl)phenol;UV absorber-234;2-(2H-benzotriazol-2-yl)-4,6-bis(2-phenylpropan-2-yl)phenol;3,3'-(3,3'-dimethoxybiphenyl-4,4'-diyl)bis(2,5-diphenyl-2H-tetrazol-3-ium) dichloride - 1H-benzotriazole (1:1);UV Abosorber 234;UV 234;Hydroxy-Bis(Dimethyl-benzyl)-Phenyl-Benzotriazole; |
| Molecular Formula: | C46H37Cl2N11O2 |
| Molecular Weight: | 846.7645 |
| Molecular Structure: | 
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| Hazard Symbols: |  Xi:Irritant; |
| Risk Codes: | R36/37/38:; |
| Safety Description: | S26:; S36:; |
| Company: | Guangzhou Chengshuai New Material Co.,Ltd. [ China ] |
| Contact: | David |
| Tel: | 862034708468 |
| Fax: | |
| Email: | info@hhochem.com |
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