Molekula
Dextran sulfate sodium salt
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
Dextran sulfate sodium salt is a highly sulfated polysaccharide used primarily as an anticoagulant, antiviral agent, and research reagent in molecular biology, particularly for protein-DNA interactions and cell culture studies. It is also employed in pharmaceutical formulations and analytical chemistry for its ability to inhibit enzymes and viruses. This chemical has a CAS number of 9011-18-1, a molecular weight of approximately 318.23, and requires ambient storage conditions with no signal word for hazard classification.
Molekula supplies Dextran sulfate sodium salt in 5 g, 100 g and 500 g packs, from £46.08 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 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
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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5 g — £38.40 per pack ex VAT · £46.08 inc. VAT
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100 g — £540.00 per pack ex VAT · £648.00 inc. VAT
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500 g — £2,250.00 per pack ex VAT · £2,700.00 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 powder |
| Specific rotation | +75 to +105 |
| Viscosity | 0.018 - 0.032 |
| pH | 5 - 7.5 |
| Loss on Drying | 10% max |
| Chloride (Cl-) | 0.01% max |
| Sulphated Ash | 40 - 50% |
| Residue on Ignition | <50% |
| Moisture | <10% |
| Iron (Fe) | 0.0002% max |
| pH (1% aq. sol.) | 5.0 - 7.5 |
| Free Sulfate | <0.2% |
| Solubility 10% in water | Clear, colourless |
| Average mol wt | 500,000 g/mol (approx) |
| Glucose | 35 - 50% |
| Sulphur (S) | 18-20% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 38417956 |
| CAS Number | 9011-18-1 |
| Molecular Formula | - |
| Molecular Weight | 318.23 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 3913905000 |
| Tariff Code | 3913900099 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P403+233 Store in a well ventilated place. Keep container tightly closed
- P501 Dispose of contents/container to an approved waste disposal plant
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.
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 dextran sulfate sodium salt commonly used for?
Dextran sulfate sodium salt is primarily used as an anticoagulant, a heparin substitute in clinical and laboratory settings, and in research for cell culture applications, including viral inhibition studies.
What is the molecular formula and molecular weight of dextran sulfate sodium salt?
The molecular weight is 318.23 g/mol (repeating unit). Dextran sulfate sodium salt is a polymer, so no single molecular formula applies. Its composition varies with the degree of polymerization and the degree of sulfation.
How should dextran sulfate sodium salt be stored?
Store in a tightly sealed container at ambient temperature, away from moisture and direct sunlight. Avoid exposure to strong oxidizing agents.
What grades or purities of dextran sulfate sodium salt does Molekula supply?
Molekula supplies dextran sulfate sodium salt as a white powder with an approximate average molecular weight of 500,000 g/mol, a sulphur content of 18-20%, free sulfate below 0.2% and loss on drying of 10% max. Contact our team for the full specification.
Can Molekula supply dextran sulfate sodium salt in bulk quantities?
Yes, Molekula can provide dextran sulfate sodium salt in bulk quantities (typically ≥1 kg), subject to availability and order requirements. Contact our sales team for custom bulk inquiries.
What documentation comes with an order of dextran sulfate sodium salt?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a batch-specific quality report detailing purity, molecular weight distribution, and endotoxin levels (if applicable).
Where can I buy Dextran sulfate sodium salt?
Directly from Molekula, which lists Dextran sulfate sodium salt in 5 g, 100 g and 500 g packs from £46.08 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.