Molekula
Sodium tetraphenylborate
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
Sodium tetraphenylborate (NaBPh₄) is an organoboron compound widely used as a selective precipitating agent for potassium ions in analytical chemistry, as an analytical reagent for titrating and determining amine drugs in pharmaceutical analysis, and in electrochemical sensors. It appears as a white crystalline powder with high solubility in polar solvents. CAS 143-66-8, molecular formula C₂₄H₂₀BNa, molecular weight 342.22 g/mol. Store at ambient conditions. Hazard classification: Danger (signal word), with hazard statement H301 (toxic if swallowed). Molekula supplies Sodium tetraphenylborate 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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25 g — £46.70 per pack ex VAT · £56.04 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white powder |
| Identification | Conforms to reference |
| Loss on Drying | ≤0.5% |
| Purity | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 35121459 |
| CAS Number | 143-66-8 |
| IUPAC Name | sodium tetraphenylboranuide |
| EC Number | 205-605-5 |
| Molecular Formula | C24H20BNa |
| Molecular Weight | 342.22 |
| Exact Mass | 342.1556 |
| SMILES | [B-](C1=CC=CC=C1)(C2=CC=CC=C2)(C3=CC=CC=C3)C4=CC=CC=C4.[Na+] |
| InChIKey | HFSRCEJMTLMDLI-UHFFFAOYSA-N |
| InChI | InChI=1S/C24H20B.Na/c1-5-13-21(14-6-1)25(22-15-7-2-8-16-22,23-17-9-3-10-18-23)24-19-11-4-12-20-24;/h1-20H;/q-1;+1 |
| PubChem CID | 2723787 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29319060 |
| Tariff Code | 2931900090 |
Safety & GHS
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Toxic
GHS06
Hazard statements
- H301 Toxic if swallowed
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- Borate(1-), tetraphenyl-, sodium
- Dotite Kalibor
- Kalibor
- Kalignost
- Kariporu K
- Sodium tetraphenylboride
- Sodium tetraphenylboron
- Tetraphenyl boron sodium salt
- Tetraphenyl sodium borate
- Tetraphenylboron sodium
Frequently asked questions
What is sodium tetraphenylborate commonly used for?
Sodium tetraphenylborate is primarily used as a selective precipitating agent for potassium ions in analytical chemistry. It is also used to precipitate and determine rubidium, cesium, ammonium and organic cations, and as an ion-pair or lipophilic anion reagent in ion-selective electrodes.
What is the chemical formula and molecular weight of sodium tetraphenylborate?
The chemical formula is C₂₄H₂₀BNa, and the molecular weight is 342.22 g/mol.
What safety classification does sodium tetraphenylborate fall under?
The product is classified with the signal word 'Danger' due to its hazardous properties.
How should sodium tetraphenylborate be stored?
Store in a tightly sealed container at ambient temperature, away from moisture and incompatible substances.
Does Molekula supply sodium tetraphenylborate in bulk quantities?
Yes, we can provide sodium tetraphenylborate in bulk, with quantities tailored to your specific requirements.
What documentation is included with an order of sodium tetraphenylborate?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.
Ready to order or need a custom pack?
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