Introduction
Boric acid (CAS: 10043-35-3) is a crystalline compound available in flake and chunk forms. Although commonly known in industry, in laboratories it is valued as a buffering agent, flame retardant, and reagent in material science research.
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Properties
| Parameter | Value |
|---|---|
| Formula | H3BO3 |
| CAS | 10043-35-3 |
| Molecular weight | 61.83 g/mol |
| Appearance | White crystalline flakes or chunks |
| Solubility | Soluble in water, ethanol |

Laboratory Applications
- Buffering agent in analytical chemistry.
- Material science: used in flame retardant testing.
- Spectroscopy: serves as a calibration compound in IR analysis.
- Comparative studies: tested alongside Caffeine Anhydrous – research reagent and Paracetamol – crystalline compound.
Experiments & Tips
🧪 Experiment: Flame test with boric acid produces a distinct green flame, making it useful in spectroscopy classes.
💡 Tip: Use flakes for faster dissolution, chunks for long-term stability in solid storage.
💡 Fact: Boric acid was historically used to preserve food before refrigeration.
External links
➡ PubChem – Boric Acid
➡ ChemSpider – Boric Acid
➡ NIST WebBook – Boric Acid
➡ ChEBI – Boric Acid
➡ ECHA – Substance Info Boric Acid
Chemical Research Writer at CristalChem Academy. Passionate about chemistry, R&D, and turning laboratory insights into global wellness and industrial innovations.