C.I.Sulphur Green 7 is a green powder that is soluble in sodium sulfide solution. It exhibits different shades of blue, ranging from light to dark, when dissolved in acetic acid, chromium, and copper solutions.
1327-77-1
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Basic information
- Product Name: C.I.Sulphur Green 7
- Synonyms: Atul Sulfur Green 5G;C.I.53580;C.I.Sulphur Green 7;Pirocard Brilliant Green 10G;Sulfer Brilliant Green 2G;Sulfer Brilliant Green 3G
- CAS NO:1327-77-1
- Molecular Formula:
- Molecular Weight: 0
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: C.I.Sulphur Green 7(CAS DataBase Reference)
- NIST Chemistry Reference: C.I.Sulphur Green 7(1327-77-1)
- EPA Substance Registry System: C.I.Sulphur Green 7(1327-77-1)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 1327-77-1(Hazardous Substances Data)
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1327-77-1 Usage
Uses
Used in Textile Industry:C.I.Sulphur Green 7 is used as a dye for cotton, hemp, and viscose fabrics to achieve deep green and light blue colors.
Standard:
C.I.Sulphur Green 7 has moderate to severe resistance to acids and alkalis, with an ISO rating of 3 for acid resistance and 4-5 for alkali resistance. It also has a light fastness rating of 4 and a perspiration fastness rating of 4. The fulling and soaping fastness ratings are 2-3.
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)Standard
Acid ResistanceModerate
SevereISO
3Check Digit Verification of cas no
The CAS Registry Mumber 1327-77-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,2 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.Calculate Digit Verification of CAS Registry Number 1327-77:
(6*1)+(5*3)+(4*2)+(3*7)+(2*7)+(1*7)=71
71 % 10 = 1
So 1327-77-1 is a valid CAS Registry Number.
1327-77-1Upstream product
1327-77-1Downstream Products
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C.I.Sulphur Green 7
