Molekula
Bovine Serum Albumin
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Bovine Serum Albumin (BSA) is a protein commonly used in biochemical research as a stabilizer, blocking agent, and standard in protein assays. It is supplied as a freeze-dried powder with electrophoretic purity of at least 95.0% and total protein content of at least 98.0%. CAS: 9048-46-8. Stored at 2 to 8 °C. Signal word: Warning.
Molekula supplies Bovine Serum Albumin in 100 g packs, from £112.20 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
In stock — same-day dispatch
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.
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100 g — £93.50 per pack ex VAT · £112.20 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 | Freeze-dried grey / white or light yellow powder |
| Water | ≤5.0% |
| Identification | Conforms to reference |
| The purity of BSA in protein(Electrophoresis test) | ≥95.0% |
| Storage Conditions | Keep in cool, dry , dark place |
| Solubility 10% in water | 15 |
| pH (5% aq. sol.) | 6.5 - 7.4 |
| Total Protein content | ≥98.0% |
| OD403nm (1% in H2O) | ≤0.15% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
For research use only. Not for human use.
Identification
| Property | Value |
|---|---|
| SKU | 22574477 |
| CAS Number | 9048-46-8 |
| Molecular Formula | N/A |
| Molecular Weight | N/A |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 3502.90.00.00 |
| Tariff Code | 3502907000 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
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
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- 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, 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Bovine Serum Albumin used for?
Bovine Serum Albumin (BSA) is commonly used as a blocking agent in immunoassays, a stabilizer in enzyme reactions, and a protein standard in biochemical assays.
What is the formula and molecular weight of Bovine Serum Albumin?
The exact formula and molecular weight are not standardized due to natural variability, but BSA typically has a molecular weight of approximately 66 kDa.
How should Bovine Serum Albumin be stored?
Store BSA at 2 to 8 °C; avoid freezing and repeated freeze-thaw cycles to maintain stability.
What grade of Bovine Serum Albumin is available?
Molekula supplies Bovine Serum Albumin as a freeze-dried powder with electrophoretic purity of at least 95.0% and total protein content of at least 98.0%.
Can Molekula supply Bovine Serum Albumin in bulk?
Yes, Molekula can supply Bovine Serum Albumin in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Bovine Serum Albumin order?
Each order includes a Certificate of Analysis (CoA) and safety documentation, including SDS, with full batch traceability.
Where can I buy Bovine Serum Albumin?
Directly from Molekula, which lists Bovine Serum Albumin in 100 g packs from £112.20 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.