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Acid Green 50

Name:C.I.Acid Green 50,C.I.44090

Molecular Structure: triarylmethane class

C.I.Acid Green 50,C.I.44090,CAS 3087-16-9,576.62,C27H25N2NaO7S2,Acid Green BS,Acid Green RS

C.I.Acid Green 50,C.I.44090,CAS 3087-16-9,576.62,C27H25N2NaO7S2,Acid Green BS,Acid Green RS

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 )


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