6871-93-8 Usage
Description
Vat Yellow 31 is a yellow dye with a melting point of 287°C. It exhibits different colors in alkaline and acidic solutions, appearing red-brown in alkaline and brown in acidic solutions.
Uses
Used in Textile Industry:
Vat Yellow 31 is used as a dye for coloring textiles. It is known for its excellent ironing fastness, chlorine bleach resistance, light fastness, and oxygen bleach resistance. It also has good soaping and staining properties, making it suitable for various textile applications.
Used in Mercerized Textiles:
Vat Yellow 31 is particularly useful for coloring mercerized textiles, as it provides a consistent and vibrant color that is resistant to various environmental factors and treatments.
Preparation
1H-benzo[e]perimidin-5-amine with 2,5-Dichlorobenzoyl chloride?acylation.
Standard
Ironing Fastness
Fading
Stain
ISO
4-5
Check Digit Verification of cas no
The CAS Registry Mumber 6871-93-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,8,7 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6871-93:
(6*6)+(5*8)+(4*7)+(3*1)+(2*9)+(1*3)=128
128 % 10 = 8
So 6871-93-8 is a valid CAS Registry Number.
InChI:InChI=1/C22H11Cl2N3O2/c23-11-7-8-15(24)14(9-11)22(29)27-17-6-1-3-12-19(17)21(28)13-4-2-5-16-18(13)20(12)26-10-25-16/h1-10H,(H,27,29)
