product

REACH certificate UV Absorber UV 326 powder cas 3896-11-5

Short Description:

Chemical Name : UV Absorber UV 326

Synonyms : 2-(2’-Hydroxy-3’-Tert-Butyl-5’-Methylphenyl)-5-Chlorobenzotriazole; Bumetrizole

CAS No.: 3896-11-5

Molecular formula: C17H18ClN3O


Product Detail

Product Tags

Product Description

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.

Recommendeddosage PVC polyolefin ABS resin
0.2-0.5 % 0.2-0.5% 0.3-0.5%
Package 20KG or 25KG cartons or drums

Test Report

Product UV 326
CAS# 3896-11-5
Batch No 20220501
Date of manufacture 1st May.2022 Shelf life 12 months

Iteam

Specification

Results

Appearance

Light yellow powder

Light yellow powder

Assay

≥99.00%

99.57%

Ash

0.10%

0.03%

Volatile matter

0.50%

0.18%

Melting point

137.00℃~141.00℃

138.40℃~139.60℃

Transmittance(%): 460nm

≥95.00%

96.43%

Transmittance(%): 500nm

97.00%

99.08%

Conclusion

QUALIFIED

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