Molekula
Pyronin Y (C.I. 45005)
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
Pyronin Y (C.I. 45005) is a red fluorescent dye primarily used in biological staining, flow cytometry, and fluorescence microscopy for labeling nucleic acids and proteins. It exhibits strong absorption in the visible spectrum and emits red fluorescence, making it valuable for research applications requiring high contrast and sensitivity. This chemical has a CAS number of 92-32-0, with the molecular formula C17H19ClN2O and a molecular weight of 302.80 g/mol. It is stored at ambient conditions and carries a signal word of *Warning* for safety handling. Molekula supplies Pyronin Y 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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1 g — £40.00 per pack ex VAT · £48.00 inc. VAT
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5 g — £75.00 per pack ex VAT · £90.00 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 | Dark red powder to Dark green powder |
| Melting Point | 250 - 260℃ |
| Dye Content | ≥50% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
Identification
| Property | Value |
|---|---|
| SKU | 90030571 |
| CAS Number | 92-32-0 |
| IUPAC Name | [6-(dimethylamino)xanthen-3-ylidene]-dimethylazanium chloride |
| Molecular Formula | C17H19ClN2O |
| Molecular Weight | 302.80 |
| Exact Mass | 302.1186 |
| SMILES | CN(C)C1=CC2=C(C=C1)C=C3C=CC(=[N+](C)C)C=C3O2.[Cl-] |
| InChIKey | INCIMLINXXICKS-UHFFFAOYSA-M |
| InChI | InChI=1S/C17H19N2O.ClH/c1-18(2)14-7-5-12-9-13-6-8-15(19(3)4)11-17(13)20-16(12)10-14;/h5-11H,1-4H3;1H/q+1;/p-1 |
| PubChem CID | 7085 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 32129000 |
| Tariff Code | 3212900000 |
Safety & GHS
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Serious Health Hazard
GHS08
Hazard statements
- H341 Suspected of causing genetic defects
Precautionary statements
- P201 Obtain special instructions before use
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
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.
Synonyms
- 3,6-Bis(dimethylamino)xanthylium chloride
- Methyl pyronin
- Pyronin G
- Pyronin Y
- Pyronin Yellow
- Pyronine
- Pyronine G
- Pyronine Y
- Tetramethyl pyronin
- Xanthylium, 3,6-bis(dimethylamino)-, chloride
Frequently asked questions
What is Pyronin Y (C.I. 45005) commonly used for?
Pyronin Y is primarily used as a fluorescent dye in biological staining, particularly in RNA visualization in cytological and histological studies.
What is the chemical formula and molecular weight of Pyronin Y?
The chemical formula is **C17H19ClN2O**, and the molecular weight is **302.80 g/mol**.
How should Pyronin Y be stored?
Store Pyronin Y at **ambient temperature** in a tightly sealed container, protected from light and moisture.
What grades or purity levels of Pyronin Y does Molekula supply?
Molekula supplies Pyronin Y in **analytical and research-grade purity**, typically ≥95% by HPLC.
Can Molekula supply Pyronin Y in bulk quantities?
Yes, Molekula can provide Pyronin Y in bulk, with quantities tailored to your research or industrial needs.
What documentation comes with an order of Pyronin Y?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation.
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.