Product Details
| Product Name: Disodium Octaborate Tetrahydrate | CAS No.: 12280-03-4 |
| EC-No.: 234-271-8 | Min. Order: 1ton |
| Purity: 99% | Supply Ability: 1000T/M |
| Release date: 2025/11/04 |
Technical Data Sheet (TDS)
Disodium Octaborate Tetrahydrate
Synonyms: Sodium Octaborate Tetrahydrate, Disodium Octaborate, Boron Salt
CAS No.: 12280-03-4
Molecular Formula: Na₂B₈O₁₃·4H₂O
Molecular Weight: 412.52 g/mol
1. Product Description
Disodium Octaborate Tetrahydrate (DOT) is a white crystalline powder or granule, highly soluble in water. It is a boron-based compound widely used as a boron micronutrient, wood preservative, and flame retardant. DOT provides controlled boron release, making it an efficient and environmentally friendly source of boron for industrial, agricultural, and pest-control formulations.
2. Specifications
| Parameter | Specification |
|---|---|
| Appearance | White crystalline powder |
| Assay (Na₂B₈O₁₃·4H₂O) | ≥ 98.0 % |
| Boron Content (as B) | 20.5 – 21.0 % |
| pH (1% aqueous solution, 25 °C) | 8.0 – 9.0 |
| Loss on Drying (105 °C, 4 h) | ≤ 2.0 % |
| Insoluble Matter | ≤ 0.1 % |
| Chloride (Cl⁻) | ≤ 0.05 % |
| Sulphate (SO₄²⁻) | ≤ 0.05 % |
| Iron (Fe) | ≤ 20 ppm |
| Heavy Metals (as Pb) | ≤ 10 ppm |
| Particle Size | 100% through 40 mesh (customizable) |
3. Typical Applications
Wood Preservative: Protects against decay, fungi, and termites
Agriculture: Boron source for foliar fertilizers and soil treatments
Flame Retardant: Component in fire-resistant coatings and materials
Glass & Ceramics: Improves thermal stability and chemical resistance
Pest Control: Used in borate-based insecticide formulations
4. Physical & Chemical Properties
| Property | Value |
|---|---|
| Appearance | White crystalline or granular powder |
| Odor | Odorless |
| Solubility (20 °C) | 14.9 g/100 g water |
| Bulk Density | 0.7 – 1.0 g/cm³ |
| Melting Point | Decomposes above 300 °C |
| pH (1% solution) | 8.0 – 9.0 |
| Stability | Stable under dry conditions; hygroscopic |
5. Storage & Handling
Store in cool, dry, well-ventilated conditions.
Keep container tightly sealed.
Avoid contact with acids and moisture.
DOT is non-flammable and non-corrosive, but should be handled with standard precautions (gloves, mask, goggles).
6. Packaging
| Packaging Type | Typical Net Weight |
|---|---|
| Multi-layer paper bag with PE liner | 25 kg |
| Jumbo bag | 500 / 1000 kg |
7. Shelf Life
24 months in original sealed packaging under dry storage conditions.
8. Safety Information
Hazard Classification: Not classified as hazardous under GHS.
Toxicity: Low acute oral and dermal toxicity.
Handling: Avoid dust inhalation; wash hands after handling.
Environmental: Non-volatile, low leaching potential, environmentally safe when used as directed.
For more information, please visit this website:https://www.khonorchem.com
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- Since: 2025-04-07
- Address: C-309, No. 12 Yuzhou S. Rd, Haizhou, Lianyungang, Jiangsu, China

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