Acid Green 50
Name:C.I.Acid Green 50,C.I.44090
Molecular Structure: triarylmethane class
Molecular Formula:C27H25N2NaO7S2
Molecular Weight: 576.62
CAS Registry Number:3087-16-9
Manufacturing Methods : (a)4-(Dichloro(4-(dimethylamino)phenyl)methyl)-N,N-dimethylbenzenamine and Naphthalen-2-ol condensation, with hair smoke sulphonated sulfuric acid, and translated into sodium salt; (b) Bis (4 – (dimethylamino) phenyl) methanoland 3-Hydroxynaphthalene-2,7-disulfonic acid (or 7-Hydroxynaphthalene-1,3-disulfonic acid) condensation, product oxidation, and translated into sodium salt.
Properties and Applications: blue light green. Blue-green powder. Soluble in cold water, easily soluble in hot water (green blue), soluble in ethanol (turquoise blue). Meet strong sulfuric acid as orange, a green light amber after diluted. Mainly used for wool, polyamide, silk dyeing. Also used in leather, food, medicine and cosmetics of shading.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 3 | 2 | 3 | 4 | 1 | 5 | 3 | 1 |
AATCC | 2-3 | 3 | 3 | 2 | 1 | 1 | 3 | 3 |
List of Suppliers:
Acid Green BS,Acid Green RS
Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.
Wenzhou Longda Dyestuff Chemical Co., Ltd.
Acid Green BS ( Brighten Colorchem BV )
Acid Green RS ( Sinochem Ningbo Imp & Exp Corp )
Dycosacid GreenBS( Sinochem Shanghai I/E Corp/Schecho PuDong Corporation )
Eurocert Green S( Warner-Jenkinson Co )
Eurocert Green S 31252( Warner-Jenkinson Co )
Water Green 176558( Morton International Ltd )