Molekula
Boron Amorphous Grade 2 CS5507A
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Boron Amorphous Grade 2 CS5507A is a high-purity, non-metallic element used in semiconductor manufacturing, neutron absorption, and specialized alloys for its unique thermal and electrical properties. This amorphous boron grade offers consistent particle size distribution and high reactivity for precise applications. Catalogue details: CAS 7440-42-8, molecular formula B, molecular weight 10.81, stored at ambient conditions. Molekula supplies Boron Amorphous Grade 2 CS5507A from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | Amorphous powder |
| Loss on Drying | ≤5000ppm |
| Moisture | ≤0.5% |
| Magnesium (Mg) | ≤6.0% |
| Content of compound B | ≥90% |
| Oxygen (O) | ≤4.5% |
| Nitrogen (N) | ≤0.3% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Filaments, powder, whiskers, single crystals |
| Melting Point | 2075 °C |
| Boiling Point | 4000 °C at 760 mmHg |
| Solubility (other solvents) | Soluble in concentrated nitric and sulfuric acids; insoluble in water, alcohol, ether |
| Vapour Pressure | 1.56 × 10⁻⁵ atm (0.0119 mmHg) at 2140 °C |
Source: PubChem CID 5462311 (HSDB, PAC Chemical Database)
Identification
| Property | Value |
|---|---|
| SKU | 90025741 |
| CAS Number | 7440-42-8 |
| IUPAC Name | boron |
| EC Number | 231-151-2 |
| Molecular Formula | B |
| Molecular Weight | 10.81 |
| Exact Mass | 11.0093 |
| SMILES | [B] |
| InChIKey | ZOXJGFHDIHLPTG-UHFFFAOYSA-N |
| InChI | InChI=1S/B |
| PubChem CID | 5462311 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2804.50.00.10 |
| Tariff Code | 2804501000 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P264 Wash thoroughly after handling
- P270 Do not eat, drink or smoke when using this product
- P273 Avoid release to the environment
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P330 Rinse mouth
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Borane-d3
- BORON
- Boron 11
- boron atom
- Boron element
- Boron powder
- Boron, Amorphous Powder
- Boron, elemental
- Boron, metallic
- Dietary Boron
Frequently asked questions
What is amorphous boron (Grade 2) used for?
Amorphous boron (Grade 2) is primarily used in pyrotechnics, as a reducing agent in metallurgy, and in the production of boron-containing chemicals like boron carbide or boron nitride.
What is the chemical formula and molecular weight of Boron Amorphous Grade 2?
The chemical formula is **B** (elemental boron), and the molecular weight is **10.81 g/mol**.
How should Boron Amorphous Grade 2 be stored?
Store in a cool, dry, well-ventilated area at ambient temperature, away from oxidizing agents and moisture.
What grade of boron does Molekula supply, and is this the same as Grade 2?
Molekula supplies **Boron Amorphous Grade 2 (CS5507A)**, which matches the specifications of your requested product.
Can Molekula supply Boron Amorphous Grade 2 in bulk quantities?
Yes, Molekula can provide Boron Amorphous Grade 2 in bulk, subject to minimum order quantities and availability.
What documentation comes with an order of Boron Amorphous Grade 2?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and compliance documentation as required by regulations.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.