CAS No 27344-41-8 (CXT) Optical Brightener
Product Description
Appearance:
white or light yellow even powder
Characteristic:
1. Blue-violet tone
2. Acid-resistant and perborate resistant
3. Not stable in chlorine bleach
4.The light fastness of level is four
| Index | Standard |
| UV absorption | 360~380 |
| Max UV absorption Spectrum by nm: | 350 |
1. Used in whitening appearance of washing powder
2. Cotton fiber
3. Artificial fiber
4. Polyamide, vinylon, azelon, amino plastic
1. Washing powder: 0.1~0.2%;
2. For cotton whitening yellowing point is 0.42%, so recommended dosage is 0.1~0.4%
1. There are more than 5000 brighteners on the world market, they are actually different brand names and numbers from different producers/ distributors for less than 400 chemical compounds. On China's market, the main names/ types are: BBU, CXT, BA-L, BA, APC, DMS(AMS), MST, 210, VBL, BBU, DT, VBU, BA, BC, DMS, FB-351, CBS-L, BA-L, 31#, CBW, 5BM, OB-1, APC, VBL, CXT, BBC, BST, BC-100, ER, ERI, BBU, CBS-L, PS(PF), OB, KB, OB-1, KCB, KSN, DBH-1, APH, APB-L, ER, KCB, KSN, PF, NFW, HPE and etc.
2. We normally list 24 months as the shelf life in our COA, the real shelf life can be slightly longer than 24 months if it's stocked in good condition (bags are sealed enough, away from direct sun-light, moisture and other incompatible chemical materials), but it's still suggested to avoid long time storage
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