Molekula
New Methylene Blue N
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
New Methylene Blue N is a synthetic dye used in biochemical staining, research, and as a redox indicator. It is a phenothiazinium chloride dye, 3,7-bis(ethylamino)-2,8-dimethylphenothiazin-5-ium chloride, distinct from methylene blue, with the molecular formula C18H22ClN3S and a molecular weight of 347.91 g/mol. It is stable at ambient temperatures and has no signal word assigned. Molekula supplies New Methylene Blue N 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90033683 |
| CAS Number | 1934-16-3 |
| IUPAC Name | ethyl-[7-(ethylamino)-2,8-dimethylphenothiazin-3-ylidene]azanium chloride |
| EC Number | 217-696-9 |
| Molecular Formula | C18H22ClN3S |
| Molecular Weight | 347.91 |
| Exact Mass | 347.1223 |
| SMILES | CCNC1=CC2=C(C=C1C)N=C3C=C(C(=[NH+]CC)C=C3S2)C.[Cl-] |
| InChIKey | SQHOAFZGYFNDQX-UHFFFAOYSA-N |
| InChI | InChI=1S/C18H21N3S.ClH/c1-5-19-13-9-17-15(7-11(13)3)21-16-8-12(4)14(20-6-2)10-18(16)22-17;/h7-10,19H,5-6H2,1-4H3;1H |
| PubChem CID | 73518 |
| REACH Code | Y113 |
| HTS Code | 32129000 |
| Tariff Code | 3212900000 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
Documents
Safety Data Sheets (SDS)
Available in English, English (US), 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
- 3,7-Bis(ethylamino)-2,8-dimethylphenothiazin-5-ium chloride
- Basic blue 24
- C.I. Basic Blue 24
- CI 52030
- ethyl-[7-(ethylamino)-2,8-dimethylphenothiazin-3-ylidene]azanium;chloride
- Methylene Blue NN
- New methylene blue
- NZYCYASKVWSANA-UHFFFAOYSA-M
- Phenothiazin-5-ium, 3,7-bis(ethylamino)-2,8-dimethyl-, chloride
- Sigma B-4631
Frequently asked questions
What is New Methylene Blue N used for?
New Methylene Blue N is primarily used as a dye in biological staining and as a redox indicator in chemical assays.
What is the chemical formula and molecular weight?
The formula is C18H22ClN3S with a molecular weight of 347.91 g/mol.
How should New Methylene Blue N be stored?
It should be stored at ambient temperature, protected from light and moisture.
What grade is available for New Methylene Blue N?
Available in analytical grade; other grades may be available upon request.
Can Molekula supply New Methylene Blue N in bulk?
Yes, Molekula can supply New Methylene Blue N in bulk quantities—please contact sales for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) upon request.
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.