Molekula
Phenylboronic acid
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
Phenylboronic acid is a versatile organoboron compound widely used in Suzuki-Miyaura cross-coupling reactions for carbon-carbon bond formation in organic synthesis. It is also employed in medicinal chemistry and materials science. Available with CAS number 98-80-6, molecular formula C6H5B(OH)2, and molecular weight 121.93 g/mol, it is stable at ambient storage conditions. This product carries a warning signal word due to potential hazards. Molekula supplies Phenylboronic acid 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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
25 g — £28.00 per pack ex VAT · £33.60 inc. VAT
-
100 g — £62.10 per pack ex VAT · £74.52 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Melting Point | 214 - 222°C |
| Purity (HPLC) | ≥98% |
| Identification (IR) | Conforms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Boiling Point | 219 °C at 760 mmHg |
| Vapour Pressure | 0.00000856 mmHg |
Source: PubChem CID 66827 (PAC Chemical Database, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 11859927 |
| CAS Number | 98-80-6 |
| IUPAC Name | phenylboronic acid |
| EC Number | 202-701-9 |
| Molecular Formula | C6H5B(OH)2 |
| Molecular Weight | 121.93 |
| Exact Mass | 122.0539 |
| SMILES | B(C1=CC=CC=C1)(O)O |
| InChIKey | HXITXNWTGFUOAU-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H7BO2/c8-7(9)6-4-2-1-3-5-6/h1-5,8-9H |
| PubChem CID | 66827 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29319030 |
| Tariff Code | 2931900090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, 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
- Acide phenylborique
- Benzeneboronic acid
- Boronic acid, phenyl-
- Borophenylic acid
- Dihydroxyphenylborane
- Kyselina fenylborita
- Phenylboric acid
- Phenylboron dihydroxide
- phenylboronate
- Phenyldihydroxyborane
Frequently asked questions
What is phenylboronic acid commonly used for?
Phenylboronic acid is primarily used in organic synthesis, including Suzuki coupling reactions, and as a reagent in bioconjugation (e.g., for glycochemistry and peptide modification).
What is the chemical formula and molecular weight of phenylboronic acid?
The formula is **C₆H₅B(OH)₂**, and the molecular weight is **121.93 g/mol**.
How should phenylboronic acid be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture and strong oxidizing agents.
What grades of phenylboronic acid does Molekula supply?
Molekula supplies **reagent-grade phenylboronic acid** (typically ≥97% purity) for research and industrial applications.
Can Molekula supply phenylboronic acid in bulk quantities?
Yes, Molekula can provide phenylboronic acid in bulk, with quantities and packaging tailored to your requirements.
What documentation comes with an order of phenylboronic acid?
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?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.