Potassium Hydrogen Phthalate (CAS 877-24-7) Ultimate Guide
Table of Contents
- Product Overview & Specifications
- Applications & Industrial Uses
- Usage Guidelines & Best Practices
- Case Studies
- Technical Comparison
- Inquiry & Contact
1. Product Overview & Specifications
| Parameter | Value |
|---|---|
| CAS Number | 877-24-7 |
| Molecular Formula | C8H5KO4 |
| Molar Mass | 204.22 g/mol |
| Appearance | White crystalline powder |
| Purity | ≥99.95% |
| pH (1% Solution) | 4.0 at 25°C |
| Solubility | 80 g/L in water at 20°C |
2. Applications & Industrial Uses
Primary Applications:
- Primary standard for pH meter calibration
- Buffer solution preparation
- Volumetric analysis in analytical chemistry
- Quality control reagent in pharmaceutical manufacturing
Industry-Specific Uses:
- Water treatment plants: pH monitoring
- Food testing laboratories: acidity determination
- Environmental monitoring: buffer solutions
3. Usage Guidelines & Best Practices
Handling Procedures:
- Store in airtight containers at 15-25°C
- Use dry measuring equipment
- Prepare solutions with deionized water
Calibration Protocol:
- Prepare 0.05M solution
- Standardize at 25°C ± 0.5°C
- Verify NIST traceability
4. Case Studies
Case Study 1: Pharmaceutical QC Laboratory
Client: European Pharma Manufacturer
Challenge: pH calibration accuracy in USP testing
Solution: Implemented weekly calibration protocol
Result: Reduced measurement variance by 62%
Case Study 2: Municipal Water Plant
Client: Tokyo Water Authority
Challenge: Compliance with JIS K 8005 standards
Solution: Custom buffer preparation system
Result: Achieved 100% regulatory compliance
5. Technical Comparison
| Grade | Analytical | Reagent | USP |
|---|---|---|---|
| Purity | 99.95% | 99.0% | 99.5% |
| Moisture | ≤0.05% | ≤0.5% | ≤0.2% |
| Application | Research | Education | Pharma |
6. Inquiry & Contact
Request technical specifications or pricing:
Email: info@vivalr.com
Phone: (86) 15866781826
Custom packaging available:
– 100g analytical vials
– 25kg bulk containers
– ISO-certified batches



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