N-(3-Sulfopropyl)-3,3′,5,5′-tetramethylbenzidine sodium salt CAS 102062-36-2

Chemical name: N-(3-Sulfopropyl)-3,3′,5,5′-tetramethylbenzidine sodium salt
CAS.NO: 102062-36-2
Molecular weight: 362.49
Appearance: White crystalline powder

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Table of Contents

Product Overview & Specifications

Key Parameters

Parameter Specification Competitor A Competitor B
CAS Number 102062-36-2 N/A Alternative salts
Molecular Formula C23H29N2NaO3S Different substituents Lower purity
Absorption Max 370-410 nm ±15 nm variance Unstable spectrum

Technical Advantages

Superior water solubility (>50 mg/mL) vs standard TMB derivatives (<10 mg/mL). Enhanced electrochemical response with 0.15μM detection limit in biosensors.

Detailed Applications

Diagnostic Implementations

Preferred chromogen for:

  • ELISA-based pathogen detection kits
  • Lateral flow device manufacturing
  • Automated hematology analyzers

Research Applications

  • Peroxidase-mediated histochemistry
  • Electrochemical immunosensors
  • Microfluidic device development

Usage Guidelines

Optimal Working Conditions

Application Concentration Incubation pH Range
ELISA Substrate 0.1 mg/mL 15-25°C/10-15min 4.5-5.5
Sensor Coating 2.5 mM RT/30min 7.0-7.4

Industry Case Studies

Diagnostic Kit Manufacturing

European IVD manufacturer achieved 23% sensitivity improvement in hepatitis B test kits through optimized TMB formulation.

Academic Research

University research team developed COVID-19 biosensor with 97.4% correlation to PCR results using this substrate.

Client Implementation Examples

BioDiagnostics Inc. (USA)

  • Application: High-throughput autoimmune disease testing
  • Result: Reduced substrate consumption by 40% with equal sensitivity
  • Volume: 50kg annual procurement

Asia Pharma Ltd. (South Korea)

  • Application: Point-of-care malaria detection
  • Result: Achieved 15-minute detection threshold
  • Scale-up: From lab testing to 1M test/month production

Contact for Technical Consultation

Email: info@vivalr.com
Phone: (86) 15866781826

Request bulk pricing or formulation technical documents:

  • MSDS PDF available
  • GMP certification details
  • Custom formulation services
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