Acid Blue 138
Name:C.I.Acid Blue 138,C.I.62075
Molecular Structure: anthraquinones
C.I.Acid Blue 138,C.I.62075,CAS 1342-53-4,686.75,C32H36N2Na2O8S2,Acid Blue BW,Weak Acid Blue BS
Molecular Formula:C32H36N2Na2O8S2
Molecular Weight: 686.75
CAS Registry Number:1342-53-4
Manufacturing Methods : 1-Amino-2,4-dibromoanthracene-9,10-dione and 4-Dodecylbenzenamine reaction, then and sodium sulfite, function, stlfonation, and translated into sodium salt.
Properties and Applications: blue. Blue powder, soluble in water. The strong sulfuric acid for green light blue. Meet copper ions becomes shallow turn green, encounter chromium ion turn green turn dark. Mainly used for silk printing and dyeing, also used for wool and polyamide fiber dyeing.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 5-6 | 4 | 4-5 | 5 | 4-5 | 4-5 | 5 | 5 |
List of Suppliers:
Acid Blue BW,Weak Acid Blue BS
Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.
Acid Blue BS (Fenchem Enterprises Ltd)
Best Acid Milling Blue BW( Oriental Giant Dyes and Chemical Ind Corp )
Brilliant Blue BS (Sinochem Liaoning Import & Export Corporation)
Hangzhou Sunshine Acid Blue 138 200%( Hangzhou Sunshine Chemicals Co Ltd )
Kayanol Milling Blue BW(Nippon Kayak u Co Ltd)
Lerui Acid BlueBW( Rosi Chemical Co Ltd )
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