| Company Name: |
Shaanxi Dideu Newmaterial Co., Ltd.
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| Tel: |
029-63373950 15353716720 |
| Email: |
1052@dideu.com |
| Products Intro: |
Product Name:disodium 5-[[4-[(5-sulphonato-1-naphthyl)azo]-1-naphthyl]azo]-8-(p-tolylamino)naphthalene-1-sulphonate
CAS:10142-78-6
Purity:98% Package:25kg
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| Company Name: |
Pfaltz & Bauer, Inc.
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| Tel: |
(800) 225-5172 |
| Email: |
sales@pfaltzandbauer.com |
| Products Intro: |
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| | COOMASSIE FAST BLACK G Basic information |
| Product Name: | COOMASSIE FAST BLACK G | | Synonyms: | disodium 5-[[4-[(5-sulphonato-1-naphthyl)azo]-1-naphthyl]azo]-8-(p-tolylamino)naphthalene-1-sulphonate;Acid black 21 (C.I. 26405);4-[(4-Methylphenyl)amino]-4'-[(5-sodiosulfo-1-naphthalenyl)azo][1,1'-azobisnaphthalene]-5-sulfonic acid sodium salt;C.I.26405;COOMASSIE FAST BLACK G;disodium,8-(4-methylanilino)-5-[[4-[(5-sulfonatonaphthalen-1-yl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1-sulfonate;Acid Black 21;C.I.Acid Black 21:C.I.26405 | | CAS: | 10142-78-6 | | MF: | C37H25N5Na2O6S2 | | MW: | 745.73 | | EINECS: | 2334042 | | Product Categories: | | | Mol File: | 10142-78-6.mol |  |
| | COOMASSIE FAST BLACK G Chemical Properties |
| | COOMASSIE FAST BLACK G Usage And Synthesis |
| Preparation | 5-Aminonaphthalene-1-sulfonic acid diazo, and Naphthalen-1-amine coupling, again diazo, and 8-(P-toluidino)naphthalene-1-sulfonic acid coupling. | | Properties and Applications | black. Soluble in water for dark purple, soluble in ethanol for red light blue. The strong sulfuric acid for blue-ray black, diluted green for blue-ray. The dye solution to join strong hydrochloric acid for turquoise blue; Add thick sodium hydroxide solution have sauce red precipitate. Suitable for the wool dyeing and printing, also suitable for leather shading.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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6
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5
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4
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4-5
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4
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3-4
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4-5
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4-5
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| | COOMASSIE FAST BLACK G Preparation Products And Raw materials |
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