Fluorescent brightener 71 cas 16090-02-1

Chemical Name: Fluorescent Brightener 71
CAS No.: 16090-02-1
Molecular Formula: C40H38N12Na2O8S2
Molecular Weight: 924.91486
Appearance: White or light yellow powder

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Fluorescent Brightener 71 (CAS 16090-02-1): Comprehensive User Guide

1. Product Overview & Technical Specifications

Parameter Fluorescent Brightener 71 Standard Alternatives
CAS Number 16090-02-1 Varies by type
Molecular Formula C40H38N12Na2O8S2 Simpler structures
Molecular Weight 924.91 g/mol Typically 300-600 g/mol
Appearance Yellow-green powder White/off-white powders
Solubility Water-soluble Variable solubility
Thermal Stability Stable up to 270°C 200-250°C range

Available in commercial quantities (5g-500kg) with 65-99% purity grades. Superior photostability compared to conventional brighteners like OB or 85 series.

2. Key Applications & Functional Advantages

Primary Applications:

  • Textile Manufacturing: Optimized for cotton, polyester-cotton blends, and synthetic fibers
  • Paper Production: Enhances brightness in premium-grade papers
  • Detergent Formulations: Maintains fabric whiteness through wash cycles

Performance Benefits:

  • UV-activated fluorescence efficiency: 92-95%
  • Low dosage requirement (0.01-0.05% wt/wt)
  • pH stability range: 4-11
  • Excellent wash-fastness (5+ industrial washes)

3. Industry Use Cases

Case A: Textile Finishing

Applied in post-dyeing processes for blended fabrics at 0.03% concentration, achieving 15% whiteness improvement versus traditional agents.

Case B: Laundry Detergents

Formulated in premium detergents at 0.1% load, demonstrating 20% better brightness retention after 50 washes compared to OB-based formulas.

4. Client Success Stories

Client 1: Premium Textile Manufacturer

  • Challenge: Yellowing in polyester-cotton blends
  • Solution: 0.04% FB71 in final rinse cycle
  • Result: 18% whiteness increase, 30% cost reduction vs. previous brightener

Client 2: Industrial Paper Producer

  • Challenge: Inconsistent brightness in recycled paper
  • Solution: 0.02% FB71 in pulp mixture
  • Result: ISO brightness improved from 82% to 89%

5. Technical Support & Inquiry

Our technical team provides formulation guidance, compatibility testing, and sample support. For pricing, SDS, or custom solutions:

Contact Method Details
Email info@vivalr.com
Phone (86) 15866781826

Request free technical consultation or laboratory sample testing today.

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