Molekula
Janus green B (C.I. 11050)
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
Janus green B (C.I. 11050) is a phenazinium (safranine-based) azo dye with applications in biology and medicine, primarily used as a supravital stain for mitochondria in living cells. It binds selectively to cellular components, aiding in microscopic examination and viability assays. This chemical has a CAS number of 2869-83-2, molecular formula C30H31ClN6, and a molecular weight of 511.06 g/mol. It is stable at ambient storage conditions and carries no signal word for hazard classification. Molekula supplies Janus green B 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.
-
5 g — $105.60 per pack
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 green or dark blue to black |
| Loss on Drying | ≤10% |
| Specific absorbance | (E 1% / 1cm): 728 (@649nm in 50:50) |
| Dye Content | ≥65.0% |
| Lambda max | 650 ± 10nm (methanol) |
| Solubility in methanol | Blue solution (0.1% in 50:50 methanol: water) |
| Extinction coefficient (at A1) | ≥28000 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 58328236 |
| CAS Number | 2869-83-2 |
| IUPAC Name | 8-[[4-(dimethylamino)phenyl]diazenyl]-N,N-diethyl-10-phenylphenazin-10-ium-2-amine chloride |
| EC Number | 220-695-6 |
| Molecular Formula | C30H31ClN6 |
| Molecular Weight | 511.06 |
| Exact Mass | 510.2299 |
| SMILES | CCN(CC)C1=CC2=[N+](C3=C(C=CC(=C3)N=NC4=CC=C(C=C4)N(C)C)N=C2C=C1)C5=CC=CC=C5.[Cl-] |
| InChIKey | XXACTDWGHQXLGW-UHFFFAOYSA-M |
| InChI | InChI=1S/C30H31N6.ClH/c1-5-35(6-2)26-17-19-28-30(21-26)36(25-10-8-7-9-11-25)29-20-23(14-18-27(29)31-28)33-32-22-12-15-24(16-13-22)34(3)4;/h7-21H,5-6H2,1-4H3;1H/q+1;/p-1 |
| PubChem CID | 76123 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 3212900050 |
| Tariff Code | 3212900000 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
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
- 3-(Diethylamino)-7-((4-(dimethylamino)phenyl)azo)-5-phenylphenazinium chloride
- 3-(Diethylamino)-7-((p-(dimethylamino)phenyl)azo)-5-phenylphenazinium chloride
- C.I. 11050
- C30H31ClN6
- Diazin Green S
- Janus green B
- Janus Green B Certified
- Janus Green B chloride
- Janus Green V
- Union Green B
Frequently asked questions
What is Janus green B (C.I. 11050) used for?
Janus green B is primarily used as a supravital stain for mitochondria in living cells, as well as in cytological studies.
What is the chemical formula and molecular weight of Janus green B?
The chemical formula is C₃₀H₃₁ClN₆, and the molecular weight is 511.06 g/mol.
How should Janus green B be stored?
Store at ambient temperature in a tightly sealed container, away from direct light and moisture.
What grades or purities of Janus green B does Molekula supply?
Molekula supplies analytical and reagent-grade Janus green B, suitable for laboratory and research applications.
Can Molekula supply Janus green B in bulk quantities?
Yes, Molekula can provide Janus green B in bulk, with quantities tailored to your specific requirements—please contact us for pricing and lead times.
What documentation comes with an order of Janus green B?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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.