L-(-)-Malic Acid (CAS 97-67-6): Comprehensive Product Guide
Table of Contents
- 1. Product Overview & Technical Specifications
- 2. Key Applications & Industry Uses
- 3. Performance Comparison: L-(-)-Malic Acid vs. Other Isomers
- 4. Implementation Case Studies
- 5. Client Success Stories
- 6. Request Customized Solutions
1. Product Overview & Technical Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 97-67-6 |
| Molecular Formula | C4H6O5 |
| Appearance | White crystalline powder |
| Optical Rotation | -2.6° to -3.6° (20℃, 10% in H2O) |
| Purity | ≥99.0% |
| Melting Point | 100-103℃ |
2. Key Applications & Industry Uses
Food Industry: Natural acidulant in beverages, pH regulator in confectionery
Pharmaceuticals: Chelating agent in topical formulations, excipient in effervescent tablets
Cosmetics: Alpha hydroxy acid (AHA) in skincare products (pH 3.5-5.0)
Industrial: Metal surface treatment agent, biodegradable chelator
3. Performance Comparison
| Property | L-(-)-Malic Acid | DL-Malic Acid |
|---|---|---|
| Optical Activity | -27° (c=8, H2O) | Inactive |
| Solubility (25℃) | 558 g/L | 563 g/L |
| pH (1% solution) | 2.35 | 2.32 |
| Regulatory Status | GRAS, USP Grade | Industrial Grade |
4. Implementation Case Studies
Case A: European Beverage Manufacturer
- Challenge: Replace citric acid in low-calorie drinks
- Solution: 0.3% L-(-)-Malic Acid + stevia blend
- Result: 18% sweetness enhancement, 23% cost reduction
5. Client Success Stories
Client 1: Nutraceutical Company (Germany)
- Application: Effervescent vitamin C tablets
- Dosage: 15% w/w in formulation
- Outcome: 40% faster dissolution time vs. citric acid
Client 2: Cosmetic Manufacturer (USA)
- Application: Anti-aging serum (pH 4.2)
- Concentration: 5% malic acid + 2% hyaluronic acid
- Result: 31% improvement in skin hydration metrics
6. Request Customized Solutions
Contact our technical team for formulation support:
Email: info@vivalr.com
Phone: (86) 15866781826
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