Direct Blue 279, also known as Acid Blue 92 or C.I. 74180, is a synthetic organic dye with the chemical formula C37H34N2Na2O9S3. It is characterized by its water solubility and ability to produce a bright blue color with good color fastness properties.
72827-89-5
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Basic information
- Product Name: Direct blue 279
- Synonyms:
- CAS NO:72827-89-5
- 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: Direct blue 279(CAS DataBase Reference)
- NIST Chemistry Reference: Direct blue 279(72827-89-5)
- EPA Substance Registry System: Direct blue 279(72827-89-5)
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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: 72827-89-5(Hazardous Substances Data)
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72827-89-5 Usage
Uses
Used in Textile Industry:Direct Blue 279 is used as a dyeing agent for cotton and cellulose fibers, providing a vibrant blue color to textiles.
Used in Paper Production:
Direct Blue 279 is used as a coloring agent in the production of paper, enhancing the visual appeal and appearance of the final product.
Used in Leather Industry:
Direct Blue 279 is used as a dye in the leather industry, imparting a blue hue to leather goods and materials.
Used in Ink Production:
Direct Blue 279 is used as a pigment in the formulation of ink, contributing to the color and quality of the ink for various printing applications.
However, it is important to note that Direct Blue 279 is a known skin and respiratory irritant, and it has potential eco-toxicity. Therefore, its use and disposal need to be managed carefully to minimize environmental impact and risks to human health.
Check Digit Verification of cas no
The CAS Registry Mumber 72827-89-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,2 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.Calculate Digit Verification of CAS Registry Number 72827-89:
(7*7)+(6*2)+(5*8)+(4*2)+(3*7)+(2*8)+(1*9)=155
155 % 10 = 5
So 72827-89-5 is a valid CAS Registry Number.
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Direct blue 279
