Molekula
New Methylene Blue N (ZnCl double salt)
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 (ZnCl double salt) is the zinc chloride double salt of 3,7-bis(ethylamino)-2,8-dimethylphenothiazin-5-ium chloride, a phenothiazinium dye distinct from methylene blue, used in dyeing, biochemical staining, and as a redox indicator. It appears as a dark green crystalline powder with a molecular weight of 416.05 g/mol. CAS number 6586-05-6, molecular formula C18H22ClN3S · 0.5ZnCl2. Store at ambient temperature. Signal word: Warning. Molekula supplies New Methylene Blue N (ZnCl double salt) 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 — £56.00 per pack ex VAT · £67.20 inc. VAT
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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.
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Specifications
| Property | Value |
|---|---|
| Appearance | Dark brown to deep purple crystalline powder |
| Loss on Drying | ≤5.0% |
| Solubility | Soluble in water and alcohol forming a clear blue solution |
| Assay | ≥90% |
| Extinction co-efficient | E (632.0nm +/ -3nm) – ≥44000. E (591.0nm +/- 3nm) – ≥36000. E (287.0nm +/- 3nm) – ≥28000. E(245.0nm +/ - 3nm) – ≥16000. |
| Elemental Carbon | 46.5 - 57.4% |
| Spectrophotometric Assay: (5.0mgs/ ltrs.in water) | 632.0nm +/- 3nm = 0.529 591.0nm +/- 3nm = 0.433 287.0nm +/- 3nm = 0.336 245.0nm +/- 3nm = 0.206 |
| Nitrogen (N) | 8.6 - 11.2% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 29731030 |
| CAS Number | 6586-05-6 |
| Molecular Formula | C18H22ClN3S · 0.5ZnCl2 |
| Molecular Weight | 416.05 |
| SMILES | CCNC1=CC2=C(C=C1C)N=C3C=C(C(=[NH+]CC)C=C3S2)C.[Cl-].Cl[Zn]Cl |
| REACH Code | Y110 |
| HTS Code | 3212.90.0050 |
| 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
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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, English (US), French, German, Hungarian, 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
No alternate names recorded for this product.
Frequently asked questions
What is New Methylene Blue N (ZnCl double salt) used for?
It is primarily used as a dye and reagent in analytical chemistry and biological staining applications.
What is the chemical formula and molecular weight?
The formula is C18H22ClN3S · 0.5ZnCl2 with a molecular weight of 416.05 g/mol.
How should New Methylene Blue N (ZnCl double salt) be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for this product?
This product is available in analytical grade.
Can Molekula supply New Methylene Blue N (ZnCl double salt) in bulk?
Yes, Molekula can supply this product in bulk quantities—please contact our sales team for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS).
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.