Molekula
Naproxen 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
Naproxen sodium salt is a nonsteroidal anti-inflammatory drug (NSAID) used for pain relief, fever reduction, and treatment of inflammatory conditions. It is available in research and bulk quantities. CAS: 26159-34-2, Molecular Formula: C14H13NaO3, Molecular Weight: 252.24 g/mol, Storage: 2 to 8 °C, Signal Word: Danger. Molekula supplies Naproxen 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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5 g — $147.70 per pack
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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 | White to almost white crystalline powder |
| Specific rotation | -17.0° to -15.3° |
| Heavy metals | ≤0.002% |
| Identification | Infrared absorption: The infrared absorption spectrum is concordant with the reference spectrum. Ultraviolet Absorption:absorptivities at 272nm, calculated on the dried base, do not differ by more than 3% |
| Loss on Drying | ≤1.0% |
| Particle Size | 86% ≤ 250 microns |
| Bulk density | 0.31-0.57 g/ml |
| Tapped Density | 0.45-0.86 g/ml |
| Total Impurities | ≤0.05% |
| Residual Solvents: Methanol | ≤50ppm |
| Any other impurity | ≤0.10% |
| Assay (dried basis) | 98.5% to 101.5% |
| Free Naproxen | ≤1.0% |
| Related substances impurity D | ≤0.10% |
| Residual Solvents: Toluene | ≤50ppm |
| Related substances impurity E | ≤0.10% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 84610738 |
| CAS Number | 26159-34-2 |
| IUPAC Name | sodium (2S)-2-(6-methoxynaphthalen-2-yl)propanoate |
| EC Number | 247-486-2 |
| Molecular Formula | C14H13NaO3 |
| Molecular Weight | 252.24 |
| Exact Mass | 252.0762 |
| SMILES | C[C@@H](C1=CC2=C(C=C1)C=C(C=C2)OC)C(=O)[O-].[Na+] |
| InChIKey | CDBRNDSHEYLDJV-FVGYRXGTSA-M |
| InChI | InChI=1S/C14H14O3.Na/c1-9(14(15)16)10-3-4-12-8-13(17-2)6-5-11(12)7-10;/h3-9H,1-2H3,(H,15,16);/q;+1/p-1/t9-;/m0./s1 |
| PubChem CID | 23681059 |
| REACH Code | Y110 |
| HTS Code | 29189930 |
| Tariff Code | 2918999090 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H303 May be harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H360D May harm the unborn child
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P201 Obtain special instructions before use
- P260 Do not breathe 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
- P308+313 IF exposed or concerned: Get medical advice/attention
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.
Synonyms
- ANAPROX DS
- Diocodal
- Flanax
- Miranax
- Naprelan
- Naprium
- naproxen sodium
- Naprux
- Prexan
- Primeral
Frequently asked questions
What is Naproxen sodium salt used for?
It is primarily used as an anti-inflammatory and analgesic agent in pharmaceutical formulations for treating pain, fever, and inflammatory conditions.
What is the chemical formula and molecular weight of Naproxen sodium salt?
The formula is C14H13NaO3 with a molecular weight of 252.24 g/mol.
How should Naproxen sodium salt be stored?
It should be stored at 2 to 8 °C to maintain stability and prevent degradation.
What grade of Naproxen sodium salt does Molekula supply?
Molekula supplies Naproxen sodium salt in pharmaceutical grade, suitable for use in drug development and manufacturing.
Can Molekula supply Naproxen sodium salt in bulk quantities?
Yes, Molekula can supply Naproxen sodium salt in bulk quantities—please contact our sales team for volume pricing and availability.
What documentation comes with an order of Naproxen sodium salt?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
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.