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CAS

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164908-53-6

Fluorescent brightener 378, also known as 4,4'-bis(2-sulfostyryl)biphenyl disodium salt, is a chemical compound with the molecular formula C28H20Na2O6S2. It is an optical brightening agent that enhances the appearance of color in fabrics and papers by absorbing light in the ultraviolet and violet region and re-emitting light in the blue region of the spectrum. It is highly soluble in water and is stable under ordinary conditions.

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  • 164908-53-6 Structure

  • Basic information

    1. Product Name: Fluorescent brightener 378
    2. Synonyms: Fluorescent Whitening Agent FP;Bis(2-(2-Methoxyphenyl)Ethenyl)-1,1-Biphenyl;Fluorescent Brightener CBS-127 C.I. 378;CL144
    3. CAS NO:164908-53-6
    4. Molecular Formula: C30H26O2
    5. Molecular Weight: 418.52624
    6. EINECS: 254-935-6
    7. Product Categories: N/A
    8. Mol File: 164908-53-6.mol

  • Chemical Properties

    1. Melting Point: 216-222℃
    2. Boiling Point: 590.3°C at 760 mmHg
    3. Flash Point: 209.4°C
    4. Appearance: /
    5. Density: 1.133g/cm3
    6. Vapor Pressure: 2.73E-13mmHg at 25°C
    7. Refractive Index: 1.676
    8. Storage Temp.: 2-8°C
    9. Solubility: N/A
    10. CAS DataBase Reference: Fluorescent brightener 378(CAS DataBase Reference)
    11. NIST Chemistry Reference: Fluorescent brightener 378(164908-53-6)
    12. EPA Substance Registry System: Fluorescent brightener 378(164908-53-6)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 164908-53-6(Hazardous Substances Data)

164908-53-6 Usage

Uses

Used in Detergent Industry:
Fluorescent brightener 378 is used as an optical brightening agent for enhancing the appearance of color in fabrics during the washing process. It helps in maintaining the vibrancy and brightness of the colors, making the clothes look cleaner and fresher.
Used in Textile Industry:
Fluorescent brightener 378 is used as a color enhancer in the textile industry, particularly during the dyeing and printing processes. It helps in achieving a more vibrant and long-lasting color in the fabrics, improving their overall aesthetic appeal.
Used in Paper Industry:
Fluorescent brightener 378 is used as an optical brightening agent in the paper industry to improve the appearance of the paper. It helps in enhancing the whiteness and brightness of the paper, making it more visually appealing and easier to read.

Check Digit Verification of cas no

The CAS Registry Mumber 164908-53-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,9,0 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 164908-53:
(8*1)+(7*6)+(6*4)+(5*9)+(4*0)+(3*8)+(2*5)+(1*3)=156
156 % 10 = 6
So 164908-53-6 is a valid CAS Registry Number.
InChI:InChI=1/C30H26O2/c1-31-29-9-5-3-7-27(29)21-15-23-11-17-25(18-12-23)26-19-13-24(14-20-26)16-22-28-8-4-6-10-30(28)32-2/h3-22H,1-2H3/b21-15+,22-16+

164908-53-6Upstream product

164908-53-6Downstream Products

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