Boron Compounds
| Formula: | Varies by compound (commonly B₂O₃, H₃BO₃, Na₂B₄O₇·10H₂O) |
| CAS Number: | Example – Boric Acid: 10043-35-3; Borax: 1303-96-4 |
| EC Number (EINECS): | Example – Boric Acid: 233-139-2; Boron Trioxide: 215-125-8 |
| HS Code: | 28100010 (Boron oxides & acids) |
| UN Number: | 3264 (for some boron solutions, corrosive) |
| IUPAC Name: | Depends on compound (e.g., Boric Acid = Trihydrooxidoboron) |
| Also Known As: | Boric Acid, Borax, Boron Oxide, Sodium Borate, Boron Salts |
| Molecular Weight, g/mol: | Example – Boric Acid: 61.83; Boron Oxide: 69.62 |
Typical Specifications
| Appearance: | White crystalline solid or powder |
| Odor: | Odorless |
| Melting Point, °C: | Boric Acid: 170 (decomposes); Boron Oxide: 450 |
| Boiling Point, °C: | Boron Oxide: 1860 |
| pH (1% solution): | 4–9 (depending on compound) |
| Purity, %: | ≥99.0 |
| Grades Available: | Technical, Industrial, Laboratory, Pharmaceutical |
| Packaging: | 25kg bags, 500kg jumbo bags, bulk |
Applications / Uses
Primary Applications
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Glass and ceramics manufacturing (borosilicate glass, enamel coatings)
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Detergents and cleaning agents (borax, sodium perborate)
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Flame retardants and wood preservatives
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Fertilizers and micronutrients in agriculture
Secondary Applications
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Water treatment chemicals
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Metallurgy (flux in welding, soldering, and steel production)
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Catalysts in organic synthesis
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Pharmaceuticals and cosmetics (boric acid for antiseptic use)
End Industries Served: Glass & Ceramics, Detergents, Agriculture, Metallurgy, Construction, Chemicals, Pharmaceuticals, Cosmetics
Safety & Handling Information
Hazard Class (GHS): Reproductive Toxicity (Category 1B for boric acid/borates), Eye Irritation (Category 2)
Hazard Statements (H-Codes):
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H360: May damage fertility or the unborn child
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H319: Causes serious eye irritation
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H335: May cause respiratory irritation (dust)
Precautionary Statements (P-Codes):
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P201: Obtain special instructions before use
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P280: Wear protective gloves/eye protection
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P261: Avoid breathing dust
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water, remove contact lenses if present
Storage Conditions
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Store in cool, dry, ventilated area
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Protect from moisture and contamination
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Keep container tightly closed
Transport Information
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ADR/RID: Class 9 (for some boron salts)
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IMDG: Class 9, environmentally hazardous (for borates)
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IATA: Class 9, UN3077 (for boric acid/borates, environmentally hazardous)