Comprehensive Guide to 2-Hydroxy-4-Methoxybenzophenone-5-Sulfonic Acid (CAS 4065-45-6)
Table of Contents
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| Chemical Name | 2-Hydroxy-4-Methoxybenzophenone-5-Sulfonic Acid |
| CAS Number | 4065-45-6 |
| Molecular Formula | C14H12O6S |
| Molecular Weight | 308.31 g/mol |
| Appearance | Light yellow crystalline powder |
| Solubility | Water-soluble (>100 g/L at 20°C) |
| UV Absorption Range | 280-350 nm |
| Melting Point | 138-142°C |
| Storage Conditions | 2-8°C in airtight container |
2. Key Applications & Industrial Uses
Primary Functions:
- High-performance UV absorber in sunscreens
- Photostabilizer for polymers and plastics
- Coating additive for UV protection
- Textile treatment for color preservation
- Medical device component protection
Performance Advantages:
- Broad-spectrum UVB/UVA protection
- Excellent thermal stability (up to 300°C)
- Non-migrating formulation characteristic
- REACH compliant and eco-friendly
3. Usage Guidelines & Safety Precautions
Recommended Dosages:
- Cosmetics: 0.5-5% w/w
- Polymers: 0.1-1.5% w/w
- Coatings: 1-3% w/w
Safety Protocols:
- Use PPE (gloves, goggles) during handling
- Avoid inhalation of powder particles
- pH compatibility range: 4-8
- Incompatible with strong oxidizers
4. Comparative Analysis with Alternative UV Absorbers
| Parameter | Our Product | Avobenzone | Octinoxate |
|---|---|---|---|
| Water Solubility | High | Low | Insoluble |
| Photostability | Excellent | Poor | Moderate |
| pH Stability | 4-10 | 5-7 | 6-8 |
| Thermal Resistance | 300°C | 120°C | 150°C |
5. Real-World Application Case Studies
Case 1: European Sunscreen Manufacturer
- Challenge: Needed SPF boost without whitening effect
- Solution: 3% additive in water-resistant formula
- Result: 22% SPF increase with 8-hour water resistance
Case 2: Chinese Polymer Producer
- Challenge: PVC degradation under sunlight
- Solution: 0.8% masterbatch incorporation
- Result: 300% lifespan extension in outdoor applications
Case 3: Indian Textile Company
- Challenge: Fabric color fading in tropical climate
- Solution: 2% bath treatment process
- Result: 18-month color retention guarantee
6. Consultation & Purchasing Support
Contact our technical team for:
- Custom formulation assistance
- Bulk pricing (25kg+ quantities)
- Regulatory compliance documentation
Email: info@vivalr.com
Tel: (86) 15866781826
Vivalr Chemical Technologies Co., Ltd.
Specializing in premium UV stabilizers since 2015
ISO 9001 Certified | Kosher Certified | Halal Compliant
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