Molekula
Propidium iodide
Propidium iodide is a fluorescent dye used to stain DNA in viability assays and flow cytometry. It is membrane-impermeant, labeling only dead or compromised cells. Available in powder form with a CAS number of 25535-16-4, molecular formula C27H34I2N4, and molecular weight 668.39 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies Propidium iodide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Propidium iodide is a fluorescent dye used to stain DNA in viability assays and flow cytometry. It is membrane-impermeant, labeling only dead or compromised cells. Available in powder form with a CAS number of 25535-16-4, molecular formula C27H34I2N4, and molecular weight 668.39 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies Propidium iodide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Off white - red solid |
| Assay | ≥ 95.0% |
| Maximum Absoprtion | 535 ± 5nm |
| For research use only, not for human use | For research use only, not for human use |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Shelf Life | 60 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 25535-16-4 |
| Molecular Formula | C27H34I2N4 |
| Molecular Weight | 668.39 |
| SMILES | CC[N+](C)(CC)CCC[N+]1=C2C=C(C=CC2=C3C=CC(=CC3=C1C4=CC=CC=C4)N)N.[I-].[I-] |
| REACH Code | Y110 |
| HTS Code | 2933997900 |
| Tariff Code | 2933998090 |
Safety & GHS
-
Explosive
GHS01
-
Flammable
GHS02
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H341 Suspected of causing genetic defects
Precautionary statements
- P201 Obtain special instructions before use
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
Documents
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is propidium iodide used for?
Propidium iodide is primarily used as a fluorescent dye to stain DNA in flow cytometry and microscopy, commonly for detecting dead or dying cells.
What is the chemical formula and molecular weight of propidium iodide?
The formula is C27H34I2N4 with a molecular weight of 668.39 g/mol.
How should propidium iodide be stored?
Store at 2 to 8 °C in the dark to maintain stability and prevent degradation.
What grade is available for propidium iodide?
Available in research grade, suitable for laboratory use in flow cytometry and fluorescence microscopy.
Can Molekula supply propidium iodide in bulk?
Yes, Molekula can supply propidium iodide in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a propidium iodide order?
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.