Molekula Sodium tetraborate pentahydrate
Specification & product details.
Sodium tetraborate pentahydrate is a white crystalline solid used as a buffering agent, preservative, and in the production of boron-based compounds.
CAS number: 12179-04-3
Select the required pack size. Contact Bench & Flask for bulk quantities and availability.
Supplier packaging image is illustrative; packaging may vary by pack size.
Specifications
| Property | Value |
| Appearance | White crystalline powder |
| Assay/Purity | ≥ 98% |
| Water | ≤ 0.2% |
Storage & handling
| Property | Value |
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
| Melting Point | 200 °C |
| Vapour Pressure | 0 mmHg (approx) |
Identification
| Property | Value |
| SKU | 89967949 |
| CAS Number | 12179-04-3 |
| IUPAC Name | disodium;\[oxido(oxoboranyloxy)boranyl\]oxy-oxoboranyloxyborinate;pentahydrate |
| EC Number | 215-540-4 |
| Molecular Formula | B4H10Na2O12 |
| Molecular Weight | 291.3 |
| Exact Mass | 292.034 |
| SMILES | B(=O)OB(\[O-\])OB(\[O-\])OB=O.O.O.O.O.O.\[Na+\].\[Na+\] |
| InChIKey | QZSYXKPOZFXCDM-UHFFFAOYSA-N |
| InChI | InChI=1S/B4O7.2Na.5H2O/c5-1-9-3(7)11-4(8)10-2-6;;;;;;;/h;;;5\*1H2/q-2;2\*+1;;;;; |
| PubChem CID | 86341921 |
| REACH Code | Y110 |
| HTS Code | 2840190000 |
| Tariff Code | 2840191000 |
Safety & GHS
Danger
- Health HazardGHS07
- Serious Health HazardGHS08
Hazard statements
- H303May be harmful if swallowed
- H319Causes serious eye irritation
- H360FDMay damage fertility. May damage the unborn child.
Precautionary statements
- P201Obtain special instructions before use
- P264Wash thoroughly after handling
- P280Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
\\
\\
\\
\\
\\
\\
Alternative names
Boric acid (H2B4O7), disodium salt, pentaborate; Boric acid(H2B4O7), disodium salt, pentahydrate; Boron sodium oxide (B4Na2O7), hydrate (1:5); Boron sodium oxide pentahydrate; Boron sodium oxide(B4Na2O7), pentahydrate; Disodium tetraborate pentahydrate; QZSYXKPOZFXCDM-UHFFFAOYSA-N; Sodium borate, pentahydrate
Product documentation
Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.
Buying for a laboratory, university or organisation?
Ask about quotations, larger quantities, recurring supply and professional accounts.