Molekula
Resazurin 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
Resazurin sodium salt is a blue, water-soluble dye used as a redox indicator in cell viability assays and microbial testing. It is reduced to fluorescent resorufin in metabolically active cells, enabling real-time monitoring of metabolic activity. Available in 1 g, 5 g, and 25 g quantities with full documentation. Molekula supplies Resazurin 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.
Often bought together
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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1 g — £23.90 per pack ex VAT · £28.68 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 | Black powder |
| Solubility | Soluble in water, insoluble in ether, and slightly soluble in alcohol and acetic acid |
| Dye Content | >90% |
| Spectroscopy | Peak 602nm, ratio 1.15 at 587/617 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 242 °C |
| Acidity | Neutral |
For research use only. Not for human use.
Identification
| Property | Value |
|---|---|
| SKU | 56554686 |
| CAS Number | 62758-13-8 |
| IUPAC Name | sodium 10-oxido-7-oxophenoxazin-10-ium-3-olate |
| EC Number | 263-718-5 |
| Molecular Formula | C12H6NNaO4 |
| Molecular Weight | 251.17 |
| Exact Mass | 251.0195 |
| SMILES | C1=CC2=C(C=C1[O-])OC3=CC(=O)C=CC3=[N+]2[O-].[Na+] |
| InChIKey | IVGPGQSSDLDOLH-UHFFFAOYSA-M |
| InChI | InChI=1S/C12H7NO4.Na/c14-7-1-3-9-11(5-7)17-12-6-8(15)2-4-10(12)13(9)16;/h1-6,14H;/q;+1/p-1 |
| PubChem CID | 112939 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| Tariff Code | 29349990 |
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
- 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
- 3H-Phenoxazin-3-one, 7-hydroxy-, 10-oxide, sodium salt
- 3H-Phenoxazin-3-one, 7-hydroxy-, 10-oxide, sodium salt (1:1)
- 7-Hydroxy-3H-phenoxazin-3-one 10-oxide sodium salt
- 7Sodiooxy3Hphenoxazin3one 10oxide
- Diazoresorcinol (sodium)
- Resazurin sodium
- Resazurin Sodium Salt (Technical Grade)
- sodium 7-oxido-3-oxo-3H-phenoxazine 10-oxide
- Sodium resazurin
- sodium;10-oxido-7-oxophenoxazin-10-ium-3-olate
Frequently asked questions
What is Resazurin sodium salt used for?
Resazurin sodium salt is primarily used as a redox indicator in cell viability assays and microbial testing due to its ability to change color upon reduction.
What is the chemical formula and molecular weight of Resazurin sodium salt?
The formula is C12H6NNaO4 with a molecular weight of 251.17 g/mol.
How should Resazurin sodium salt be stored?
It should be stored at ambient temperature, protected from light and moisture.
What grade of Resazurin sodium salt is available?
Molekula supplies Resazurin sodium salt in high-purity grade suitable for research and diagnostic applications.
Can Molekula supply Resazurin sodium salt in bulk?
Yes, Molekula can supply Resazurin sodium salt in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a purchase of Resazurin sodium salt?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.