Reactive yellow 55 is a synthetic dye that is commonly used in the textile industry for dyeing and printing on cellulose-based materials. It is known for its excellent light fastness, oxygen bleaching resistance, perspiration fastness, and soaping properties. The dye has a color strength rating of 5(ISO4) and a light fastness rating of 6-7 on the ISO scale.
12769-12-9
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Basic information
- Product Name: Reactive yellow 55
- Synonyms: Reactive yellow 55;C.I.Reactive Yellow 55;Cibacron Pront Yellow 4G
- CAS NO:12769-12-9
- 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 yellow 55(CAS DataBase Reference)
- NIST Chemistry Reference: Reactive yellow 55(12769-12-9)
- EPA Substance Registry System: Reactive yellow 55(12769-12-9)
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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: 12769-12-9(Hazardous Substances Data)
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12769-12-9 Usage
Uses
Used in Textile Industry:Reactive yellow 55 is used as a dye for coloring cellulose-based materials such as cotton, linen, and viscose. It is favored for its excellent light fastness, which ensures that the color remains vibrant and resistant to fading even after prolonged exposure to sunlight or artificial light sources.
Reactive yellow 55 is also used as a dye for printing on cellulose-based fabrics, providing a strong and durable color that is resistant to fading and staining. Its oxygen bleaching resistance makes it suitable for use in fabrics that may be exposed to bleach or other oxidizing agents during the washing process.
In addition to its use in the textile industry, reactive yellow 55 may also have potential applications in other industries where colorants are required, such as the paper, plastics, and cosmetics industries. However, further research and development would be needed to explore these potential uses and ensure the safety and efficacy of the dye in these contexts.
Standard(cellulose)
Light FastnessFading
StainISO
6-7Check Digit Verification of cas no
The CAS Registry Mumber 12769-12-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,7,6 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.Calculate Digit Verification of CAS Registry Number 12769-12:
(7*1)+(6*2)+(5*7)+(4*6)+(3*9)+(2*1)+(1*2)=109
109 % 10 = 9
So 12769-12-9 is a valid CAS Registry Number.
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Reactive yellow 55
