REACH certificate UV Absorber UV 326 powder cas 3896-11-5
Chemical Name | 2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5 chlorobenzotriazole | |||
Trade Name | UV 326 | |||
Formula | C17H18N3OCl | |||
CAS NO. | 3896-11-5 | |||
Molecular Weight | 315.8 | |||
Specifications | Appreance | Yellowish crystalline powder | ||
Purity | ≥99%(HPLC) | |||
Melting Point | 137-142 oC | |||
Ash | ≤0.1% | |||
Loss On Drying | ≤0.5% | |||
Transmittance | 460 nm≥93% 500 nm≥96% | |||
Advantage and Application | 1. This product is a high efficient UV absorber, which can effectively absorb 270-380 nm UV light.
2. Odorless, good thermo stability under high temperature. 3. Not stained in alkali,and oil resistant. 4. This product almost does not absorb visible light, particularly applicable to colorless and light-colored products. 5. Mainly applied to polyolefin (especially in food grade products), PVC, PA, ABS resin, AS resin, PU, etc. |
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Recommendeddosage | PVC | polyolefin | ABS resin | |
0.2-0.5 % | 0.2-0.5% | 0.3-0.5% | ||
Package | 20KG or 25KG cartons or drums |
Product | UV 326 | ||
CAS# | 3896-11-5 | ||
Batch No | 20220501 | ||
Date of manufacture | 1st May.2022 | Shelf life | 12 months |
Iteam |
Specification |
Results |
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Appearance |
Light yellow powder |
Light yellow powder |
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Assay |
≥99.00% |
99.57% |
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Ash |
≤ 0.10% |
0.03% |
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Volatile matter |
≤ 0.50% |
0.18% |
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Melting point |
137.00℃~141.00℃ |
138.40℃~139.60℃ |
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Transmittance(%): 460nm |
≥95.00% |
96.43% |
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Transmittance(%): 500nm |
≥97.00% |
99.08% |
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Conclusion |
QUALIFIED |
UV absorber |
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1. |
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4. |
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5. |
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Light stabilizer |
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3. |
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4. |
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5. |
LS 3853S mixture |
Photoinitiator |
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1. |
MBF CAS 15206-55-0 |
2. |
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3. |
DETX CAS 82799-44-8 |
4. |
EDB CAS 10287-53-3 |
5. |
1173 CAS 7473-98-5 |
Antioxidant |
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1. |
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2. | AN 168 CAS 31570-04-4 |
3. | AN 1135 CAS 125643-61-0 |
4. | AN 1098 CAS 23128-74-7 |
5. | AN 1010 CAS 6683-19-8 |