Product Category: Industrial Chemicals / Food & Process Chemicals
Chemical Name: Citric Acid Monohydrate
CAS Number: 5949-29-1
Chemical Formula: C₆H₈O₇·H₂O
Molecular Weight: 210.14 g/mol
Appearance: Colourless or white crystalline powder or granules
Product Overview
Citric Acid Monohydrate is a versatile weak organic acid used for pH adjustment, chelation, descaling, cleaning and formulation applications across food processing, water treatment and general industry.
The monohydrate form contains one molecule of water of crystallisation.
Typical Technical Specification
| Property | Typical Reference |
| SKU | MCS-C9 |
| Citric Acid Assay – Anhydrous Basis | 99.5–100.5% |
| Water | Approx. 7.5–9.0% |
| Appearance | White crystals, granules or crystalline powder |
| Sulphate | Typical ≤0.015% |
| Oxalate / Oxalic Acid | Grade dependent |
| Residue on Ignition | Typical ≤0.05–0.1% |
| CAS Number | 5949-29-1 |
| Formula | C₆H₈O₇·H₂O |
The USP defines Citric Acid Monohydrate as containing 99.5–100.5% C₆H₈O₇ calculated on the anhydrous basis. Commercial products typically contain approximately 7.5–9% water.
Applications
- Industrial cleaning
- Descaling formulations
- Water treatment
- pH adjustment
- Metal cleaning
- Chelating applications
- Chemical manufacturing
- Food and beverage processing where an appropriate grade is supplied
- Detergent formulations
- Pharmaceutical applications where the correct regulated grade is specified
Key Benefits
- Effective weak organic acid
- Good chelating properties
- Excellent water solubility
- Effective scale and mineral-deposit removal
- Versatile formulation ingredient
Packaging
Typically available in sealed moisture-resistant bags. Food or regulated applications require the appropriate certified grade.
Storage
Store tightly sealed in a dry, clean environment away from moisture and contamination.
