Molekula
Polyanetholesulphonic Acid Sodium Salt
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
Polyanetholesulphonic Acid Sodium Salt is a biochemical used mainly as an anticoagulant in blood culture media, where it inhibits complement activity, phagocytosis and lysozyme and neutralizes aminoglycoside antibiotics, improving the recovery of bacteria from blood samples. It prevents particle aggregation and enhances solution stability. This product has a CAS number of 55963-78-5 and the molecular formula (C10H11NaO4S)n, with a signal word of Warning. It should be stored at ambient conditions. Molekula supplies Polyanetholesulphonic Acid Sodium Salt 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.
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25 g — £74.80 per pack ex VAT · £89.76 inc. VAT
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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 | Yellow to Tan powder |
| Water | ≤ 16% |
| Heavy metals | ≤ 0.0001% |
| Identification | Conforms to reference |
| pH | 5.0 -7.0 (1% aq.) |
| Colour | ≤ 1.0 AU (2% aq, 490nm) |
| Absorbance | 0.140 - 0.170 (0.02mg/ml aq.) |
| Calcium (Ca) | ≤ 0.1% |
| Wavelength of Max. Absorption | 283.0 - 285.0nm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 73205255 |
| CAS Number | 55963-78-5 |
| Molecular Formula | (C10H11NaO4S)n |
| Molecular Weight | N/A |
| REACH Code | Y110 |
| HTS Code | 39119010 |
| Tariff Code | 3911909990 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- 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
- 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
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
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
No alternate names recorded for this product.
Frequently asked questions
What is Polyanetholesulphonic Acid Sodium Salt commonly used for?
It is primarily used as an anticoagulant and antimicrobial-neutralizing additive in blood culture media, where it inhibits complement, phagocytosis and lysozyme and neutralizes aminoglycoside antibiotics to improve recovery of bacteria from blood.
What is the chemical formula and molecular weight?
The chemical formula is (C₁₀H₁₁NaO₄S)ₙ; molecular weight data is not available.
How should Polyanetholesulphonic Acid Sodium Salt be stored?
Store in a tightly sealed container at ambient temperature, away from moisture and incompatible substances.
What grades or purities are available for this product?
Typically supplied as a technical-grade product; purity specifications may vary—please confirm with Molekula for exact details.
Can Molekula supply this product in bulk quantities?
Yes, bulk quantities are available upon request—contact Molekula for pricing, lead times, and packaging options.
What documentation comes with an order of this product?
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.