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必应染料-您身边的染料专家

Direct Green 3

Name:C.I.Direct Green 3,C.I.32030

Molecular Structure: trisazo class

C.I.Direct Green 3,C.I.32030,CAS 6859-12-7,1114.91,C44H30N8Na4O16S3

C.I.Direct Green 3,C.I.32030,CAS 6859-12-7,1114.91,C44H30N8Na4O16S3

Molecular Formula:C44H30N8Na4O16S3

Molecular Weight: 1114.91

CAS Registry Number:6859-12-7

Manufacturing Methods : 4-Amino-N-(4-aminophenyl)benzamide double nitride, first coupled with 2-Hydroxybenzoic acid, and then with 5-Amino-7-ehtoxy-2-naphthalenesulfonic acid coupling, product and diazotization, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling .

Properties and Applications:  green. Soluble in water for the green, soluble in ethanol for shallow blue light green. The strong sulfuric acid for yellow olive, diluted is green. The dye solution to join strong hydrochloric acid have green precipitation; Add thick dark blue light green sodium hydroxide solution precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 3 4 2-3 3

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