DIANIL BROWN 3GN is a brown, evenly powdered dye that is soluble in water, ethanol, slightly soluble in acetone and soluble fiber element, and insoluble in other organic solvents. It exhibits various color changes when exposed to different acids and reacts with sodium hydroxide to produce a yellow-brown color. It is primarily used for dyeing cellulose fibers and is known for its good dyeing properties and high affinity at temperatures up to 100°C.
3811-71-0
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Basic information
- Product Name: DIANIL BROWN 3GN
- Synonyms: dianilbrown;DirectyellowbrownD3G;MitsuiDirectBrown3G;NipponBrown3G,RG;PyrazolBorwnTM;DIANIL BROWN 3GN;DIPHENYL BROWN GRI;BENZO CHROME BROWN G
- CAS NO:3811-71-0
- Molecular Formula: C31H22N8Na2O6S
- Molecular Weight: 680.6
- EINECS: 223-294-4
- Product Categories: Dyes and Pigments
- Mol File: 3811-71-0.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: 1.51g/cm3
- Refractive Index: 1.734
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: DIANIL BROWN 3GN(CAS DataBase Reference)
- NIST Chemistry Reference: DIANIL BROWN 3GN(3811-71-0)
- EPA Substance Registry System: DIANIL BROWN 3GN(3811-71-0)
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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: 3811-71-0(Hazardous Substances Data)
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3811-71-0 Usage
Uses
Used in Textile Industry:DIANIL BROWN 3GN is used as a dye for cellulose fibers, providing good dyeing properties and high affinity at temperatures up to 100°C. It is particularly effective for cotton and can also be used for silk, polyamide fiber, sticky/brocade fabric dyeing.
Used in Pulp and Leather Industry:
DIANIL BROWN 3GN is also used for coloring pulp and leather, offering a versatile solution for various industrial applications.
Standard:
The dye has been tested for various properties, including acid resistance, alkali resistance, light fastness, soaping, water fading, and stain fading. The results are as follows:
Acid Resistance: ISO 2, AATCC 5
Alkali Resistance: ISO 3, AATCC 3
Light Fastness: ISO 1, AATCC 1-2
Soaping: ISO 2-3, AATCC 2-3
Water Fading: ISO 2, AATCC 2-3
Stain Fading: ISO 1, AATCC 1-2
Stain: ISO 2-3, AATCC 2-3
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, again and 4-Aminobenzenesulfonic acid diazo, in acid conditions and Benzene-1,3-diamine coupled to a product matches.Standard
Acid ResistanceFading
StainISO
2AATCC
5Check Digit Verification of cas no
The CAS Registry Mumber 3811-71-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,8,1 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.Calculate Digit Verification of CAS Registry Number 3811-71:
(6*3)+(5*8)+(4*1)+(3*1)+(2*7)+(1*1)=80
80 % 10 = 0
So 3811-71-0 is a valid CAS Registry Number.
InChI:InChI=1/C31H24N8O6S/c32-26-16-27(33)29(39-36-22-9-12-24(13-10-22)46(43,44)45)17-28(26)38-35-21-7-3-19(4-8-21)18-1-5-20(6-2-18)34-37-23-11-14-30(40)25(15-23)31(41)42/h1-17,34H,32-33H2,(H,41,42)(H,43,44,45)/b37-23+,38-35+,39-36+
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DIANIL BROWN 3GN
