Molekula
Fluorescein diacetate
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
Fluorescein diacetate is a fluorescent dye used to assess cell viability and membrane integrity in biological research. It is hydrolyzed by intracellular esterases in live cells, producing fluorescent fluorescein. Available in powder form with a CAS number of 596-09-8, molecular formula C24H16O7, and molecular weight 416.38 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies Fluorescein diacetate 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 — £62.00 per pack ex VAT · £74.40 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 | Yellow or light brown solid |
| Water | ≤0.5% |
| Assay | ≥98% |
| Inorganic salts | ≤0.5% |
| Organic impurities | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 13260068 |
| CAS Number | 596-09-8 |
| IUPAC Name | (6'-acetyloxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl) acetate |
| EC Number | 209-877-6 |
| Molecular Formula | C24H16O7 |
| Molecular Weight | 416.38 |
| Exact Mass | 416.0896 |
| SMILES | CC(=O)OC1=CC2=C(C=C1)C3(C4=C(O2)C=C(C=C4)OC(=O)C)C5=CC=CC=C5C(=O)O3 |
| InChIKey | CHADEQDQBURGHL-UHFFFAOYSA-N |
| InChI | InChI=1S/C24H16O7/c1-13(25)28-15-7-9-19-21(11-15)30-22-12-16(29-14(2)26)8-10-20(22)24(19)18-6-4-3-5-17(18)23(27)31-24/h3-12H,1-2H3 |
| PubChem CID | 65047 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 32129000 |
| Tariff Code | 3212900000 |
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
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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, 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
- (6'-acetyloxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl) acetate
- 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diyl diacetate
- 3,6-Diacetoxyfluoran
- 3',6'-Bis(acetyloxy)spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one
- 3',6'-Diacetylfluorescein
- di-O-Acetylfluorescein
- Diacetil-Fluoresceina
- Diacetylfluorescein
- Fluorescein 3',6'-diacetate
- Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-bis(acetyloxy)-
Frequently asked questions
What is Fluorescein diacetate used for?
It is commonly used as a fluorescent dye in biological assays to assess cell viability and membrane integrity.
What is the chemical formula and molecular weight of Fluorescein diacetate?
The formula is C24H16O7 with a molecular weight of 416.38 g/mol.
How should Fluorescein diacetate be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade of Fluorescein diacetate does Molekula supply?
We supply Fluorescein diacetate in high-purity research grade.
Can Molekula supply Fluorescein diacetate in bulk?
Yes, we can supply Fluorescein diacetate in bulk quantities—please contact us for pricing and availability.
What documentation comes with a Fluorescein diacetate order?
Each order includes a Certificate of Analysis 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.