Reactive Red 21 is a synthetic organic compound that belongs to the azo dye group. It is characterized by its azo and amino groups, which confer water solubility and the ability to be readily absorbed by fibers. This dye is known for its good color fastness, making it resistant to fading or running when exposed to water or light. However, it is also recognized as a hazardous chemical that requires careful handling and proper disposal to mitigate potential risks to human health and the environment.
11099-79-9
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Basic information
- Product Name: Reactive Red 21
- Synonyms: C.I.Reactive Red 21;Remazol Brilliant Red BB
- CAS NO:11099-79-9
- 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 Red 21(CAS DataBase Reference)
- NIST Chemistry Reference: Reactive Red 21(11099-79-9)
- EPA Substance Registry System: Reactive Red 21(11099-79-9)
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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: 11099-79-9(Hazardous Substances Data)
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11099-79-9 Usage
Uses
Used in Textile Industry:Reactive Red 21 is used as a red dye for coloring various types of natural fibers such as cotton, wool, and silk. Its application in this industry is due to its strong affinity for fibers, which allows for the creation of vibrant and long-lasting red hues in textiles.
The dye's water solubility and good color fastness make it a preferred choice for coloring textiles that are expected to withstand multiple washes and exposure to light without significant color degradation. However, the hazardous nature of Reactive Red 21 necessitates the implementation of safe handling procedures and proper waste management practices within the textile industry to ensure the protection of workers and the environment.
Check Digit Verification of cas no
The CAS Registry Mumber 11099-79-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,1,0,9 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.Calculate Digit Verification of CAS Registry Number 11099-79:
(7*1)+(6*1)+(5*0)+(4*9)+(3*9)+(2*7)+(1*9)=99
99 % 10 = 9
So 11099-79-9 is a valid CAS Registry Number.
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Reactive Red 21
