Complete Guide to Sodium Bisulfate (CAS 7681-38-1): Uses, Applications, and Case Studies
Table of Contents
1. Sodium Bisulfate (CAS 7681-38-1): Product Overview
Chemical Formula: NaHSO4
CAS Number: 7681-38-1
Appearance: White crystalline powder
pH (1% solution): 1.2-1.8
Solubility: Highly soluble in water (28.5 g/100 mL at 20°C)
Comparative Analysis
| Parameter | Sodium Bisulfate | Sodium Sulfate | Potassium Bisulfate |
|---|---|---|---|
| Acidity (pH) | Strongly acidic | Neutral | Moderately acidic |
| Cost Efficiency | High | Medium | Low |
| Metal Cleaning Efficacy | Excellent | Poor | Good |
2. Industrial Applications of Sodium Bisulfate
Water Treatment
Widely used for pH adjustment in swimming pools, wastewater systems, and boiler feedwater.
Cleaning Products
Key ingredient in toilet bowl cleaners, metal descaling agents, and industrial detergents.
Metal Processing
Effective in pickling and electroplating processes for steel and aluminum surfaces.
3. Practical Use Cases
Case 1: Municipal Water Treatment
Challenge: High pH (9.2) in drinking water supply
Solution: 25 ppm sodium bisulfate dosage
Result: Stable pH 7.1 achieved within 48 hours
Case 2: Food Processing Equipment Cleaning
Challenge: Mineral scale buildup in dairy pasteurizers
Solution: 10% sodium bisulfate solution circulation
Result: 92% scale removal without surface corrosion
4. Verified Client Implementations
Client A: AquaSafe Water Solutions
Location: Texas, USA
Usage: 15 MT/month for industrial cooling towers
Outcome: Reduced scaling incidents by 78% over 6 months
Client B: CleanPro Manufacturing
Location: Guangdong, China
Usage: Acidic component in commercial dishwasher tablets
Outcome: 40% faster lime scale removal vs. previous formulation
5. Contact Our Chemical Experts
For pricing, technical specs, or samples:
Email: info@vivalr.com
Tel: (86) 15866781826
Request SDS, COA, or custom formulation support.
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