C.I.Sulphur Green 7
- Product Name
- C.I.Sulphur Green 7
- CAS No.
- 1327-77-1
- Chemical Name
- C.I.Sulphur Green 7
- Synonyms
- C.I.53580;Sulphur Green 7;C.I.Sulphur Green 7;Atul Sulfur Green 5G;Sulfer Brilliant Green 3G;Sulfer Brilliant Green 2G;Pirocard Brilliant Green 10G;C.I.Sulphur Green 7:C.I.53580
- CBNumber
- CB32317499
- Formula Weight
- 0
- MOL File
- Mol file
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C.I.Sulphur Green 7 Chemical Properties,Usage,Production
Preparation
5-(4-Hydroxyanilino)-8-(4-methylanilino)-lnaphthalenesulfonic acid?in the presence of Copper sulfate monohydrate with Sodium polysulfide ethanol solution heating, reflux 50 hours, then add the Sodium nitrite, again boiling 6 hours, steamed out ethanol, in 50 ~ 60 ℃ blowing air make precipitation. This indophenol?is by 8-(P-toluidino)naphthalene-1-sulfonic acid and where did 4-Aminophenol with Sodium hypochlorite oxidation of mixture, then use Sodium hydrosulfide reduction and have to (BIOS 1155, 11-12)
Properties and Applications
green. Green powder. Soluble in Sodium sulfid solution. In acetic acid, chromium, copper colour and lustre is blue, shallow, dark. Used for cotton, hemp, viscose fabric dyeing, for deep green light blue.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
| Moderate | Severe | ||||||
| ISO | 3 | 4-5 | 4 | 4 | 2-3 | ||
C.I.Sulphur Green 7 Preparation Products And Raw materials
Raw materials
Preparation Products
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C.I.Sulphur Green 7 Suppliers
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