Disperse Yellow 231 is a synthetic dye that is characterized by its high ironing, light, perspiration, and washing fastness. It is commonly used in the textile industry for dyeing synthetic fibers, such as polyester and nylon, and is known for its excellent colorfastness properties.

143067-35-0

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Basic information
1. Product Name: Disperse Yellow 231
2. Synonyms: Disperse Yellow 231
3. CAS NO:143067-35-0
4. Molecular Formula: C25H24N4O4
5. Molecular Weight: 444.48246
6. EINECS: 278-115-2
7. Product Categories: N/A
8. Mol File: 143067-35-0.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 552.5°C at 760 mmHg
3. Flash Point: 288°C
4. Appearance: /
5. Density: 1.22g/cm³
6. Vapor Pressure: 4.83E-13mmHg at 25°C
7. Refractive Index: 1.609
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: Disperse Yellow 231(CAS DataBase Reference)
11. NIST Chemistry Reference: Disperse Yellow 231(143067-35-0)
12. EPA Substance Registry System: Disperse Yellow 231(143067-35-0)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 143067-35-0(Hazardous Substances Data)

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143067-35-0 Usage

Uses

Used in Textile Industry:
Disperse Yellow 231 is used as a dye for synthetic fibers, such as polyester and nylon, for its high ironing, light, perspiration, and washing fastness. It provides a vibrant and long-lasting color to the fabrics, making it a popular choice for various textile applications.
Used in ISO Standards:
Disperse Yellow 231 meets the ISO standards for colorfastness, with ratings of 4-5 for ironing fastness, 6-7 for light fastness, and 5 for perspiration and washing fastness. This ensures that the dye maintains its color and quality even under various conditions, making it a reliable choice for the textile industry.

Standard

Ironing Fastness

Fading

Stain

ISO

Check Digit Verification of cas no

The CAS Registry Mumber 143067-35-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,0,6 and 7 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 143067-35:
(8*1)+(7*4)+(6*3)+(5*0)+(4*6)+(3*7)+(2*3)+(1*5)=110
110 % 10 = 0
So 143067-35-0 is a valid CAS Registry Number.

InChI:InChI=1/C25H24N4O4/c1-3-4-14-29-23(30)21(15-26)17(2)22(24(29)31)28-27-20-12-10-19(11-13-20)25(32)33-16-18-8-6-5-7-9-18/h5-13,31H,3-4,14,16H2,1-2H3

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