Sell Basic Blue 9
Aug 25, 2009
Basic blue 9 (methylene blue 2B):
1) CAS no.: 61-73-4
2) Appearance: golden copper color powder
3) Light fastness: 2
4) Wash fastness: 1-2
5) Sweat fastness: 2
6) Ironing fastness: 5
7) Use: for wool, silk, wood, paper, wood and ink......
QINGDAO SANHUAN COLORCHEM CO., LTD