Vat Brown 23 is a dark brown dye that is soluble in 1,2,3,4-tetrahydronaphthalene and xylene. It exhibits different color characteristics when exposed to various chemical solutions, such as turning grey in basic insurance powder solution and dark purple in acidic insurance powder solution.
1328-26-3
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Basic information
- Product Name: Vat Brown 23
- Synonyms: Vat Brown 23
- CAS NO:1328-26-3
- 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: Vat Brown 23(CAS DataBase Reference)
- NIST Chemistry Reference: Vat Brown 23(1328-26-3)
- EPA Substance Registry System: Vat Brown 23(1328-26-3)
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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: 1328-26-3(Hazardous Substances Data)
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1328-26-3 Usage
Uses
Used in Textile Industry:Vat Brown 23 is used as a dye for coloring fabrics, providing a dark brown color. It has good ironing fastness, chlorine bleach fastness, light fastness, and oxygen bleach fastness, making it suitable for various dyeing processes.
Used in Mercerization Process:
Vat Brown 23 is used as a dye in the mercerization process, which involves treating fabrics with a concentrated solution of sodium hydroxide to improve their luster, strength, and dye affinity.
Used in Soaping Process:
Vat Brown 23 is used in the soaping process, which helps to remove excess dye and improve the colorfastness of the dyed fabric.
The dye has a fading rating of 4-5 and a staining rating of 2 according to ISO and AATCC standards, indicating its performance in various dyeing processes.
Preparation
2-Aminoanthracene-9,10-dione with sulfuric acid and copper powder processing.Standard
Ironing FastnessFading
StainISO
4AATCC
5Check Digit Verification of cas no
The CAS Registry Mumber 1328-26-3 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 8 respectively; the second part has 2 digits, 2 and 6 respectively.Calculate Digit Verification of CAS Registry Number 1328-26:
(6*1)+(5*3)+(4*2)+(3*8)+(2*2)+(1*6)=63
63 % 10 = 3
So 1328-26-3 is a valid CAS Registry Number.
1328-26-3Upstream product
1328-26-3Downstream Products
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Vat Brown 23
