Reactive Blue 20 is a navy blue dye that is commonly used for dyeing various types of fibers, including cotton, wool, silk, hemp, and viscose. It is known for its light fastness, oxygen bleaching, perspiration fastness, and soaping properties.
12225-40-0
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Basic information
- Product Name: Reactive Blue 20
- Synonyms: Reactive Blue 20;C.I.Reactive Blue 20;Remazol Navy Blue RD
- CAS NO:12225-40-0
- 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: Reactive Blue 20(CAS DataBase Reference)
- NIST Chemistry Reference: Reactive Blue 20(12225-40-0)
- EPA Substance Registry System: Reactive Blue 20(12225-40-0)
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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: 12225-40-0(Hazardous Substances Data)
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12225-40-0 Usage
Uses
Used in Textile Industry:Reactive Blue 20 is used as a dye for cotton, wool, silk, hemp, and viscose fibers. It is favored for its ability to produce a vibrant navy blue color that is resistant to fading and staining.
Used in Cotton Dyeing:
Reactive Blue 20 is used as a dye for cotton fibers, providing excellent light fastness and resistance to fading and staining.
Used in Wool Dyeing:
Reactive Blue 20 is used as a dye for wool fibers, offering good oxygen bleaching and perspiration fastness properties.
Used in Silk Dyeing:
Reactive Blue 20 is used as a dye for silk fibers, providing good light fastness and resistance to staining.
Used in Hemp and Viscose Fiber Dyeing:
Reactive Blue 20 is used as a dye for both hemp and viscose fibers, offering good light fastness and resistance to staining.
Standard:
The ISO standard for Reactive Blue 20 is 4-5, indicating its good light fastness properties. Additionally, it has an ISO rating of 5 for oxygen bleaching and 4-5(75℃) for perspiration fastness, further demonstrating its suitability for use in the textile industry.
Preparation
2-Amino-4-((2-(sulfooxy)ethyl)sulfonyl)phenol diazo, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling, and sulfuric acid chromium and sodium acetate complexation, then salting-out.Standard
Light FastnessFading
StainCheck Digit Verification of cas no
The CAS Registry Mumber 12225-40-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,2 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.Calculate Digit Verification of CAS Registry Number 12225-40:
(7*1)+(6*2)+(5*2)+(4*2)+(3*5)+(2*4)+(1*0)=60
60 % 10 = 0
So 12225-40-0 is a valid CAS Registry Number.
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Reactive Blue 20
