71872-42-9
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Basic information
- Product Name: Disperse Blue 181
- Synonyms: Disperse Blue 181;C.I. Disperse Blue 181
- CAS NO:71872-42-9
- Molecular Formula:
- Molecular Weight: 0
- EINECS: N/A
- Product Categories: N/A
- Mol File: 71872-42-9.mol
- Article Data: 0
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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: Disperse Blue 181(CAS DataBase Reference)
- NIST Chemistry Reference: Disperse Blue 181(71872-42-9)
- EPA Substance Registry System: Disperse Blue 181(71872-42-9)
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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: 71872-42-9(Hazardous Substances Data)
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71872-42-9 Usage
Preparation
1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 2-Aminobenzoic acid condensation, with insurance powder sulfonylurea take off, with chlorosulfonic closed loop, with bromide brominated.Properties and Applications
colourful green light blue. Dark blue powder, insoluble in water. The strong sulfuric acid in orange, diluted into blue; Insurance powder with reduction of dark purple. Difficulties can dissolve in three chlorobenzene and organic solvents. Mainly used for polyester/cotton fabric dyeing. Standard Ironing Fastness Light Fastness Persperation Fastness Washing Fastness Fading Stain Fading Stain Fading Stain ISO 4 4-5 7 5 5 4-5 5Standard
Ironing FastnessFading
StainISO
4Check Digit Verification of cas no
The CAS Registry Mumber 71872-42-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,7 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.Calculate Digit Verification of CAS Registry Number 71872-42:
(7*7)+(6*1)+(5*8)+(4*7)+(3*2)+(2*4)+(1*2)=139
139 % 10 = 9
So 71872-42-9 is a valid CAS Registry Number.
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Disperse Blue 181
