Molekula

New Methylene Blue N (ZnCl double salt)

CAS 6586-05-6 C18H22ClN3S · 0.5ZnCl2 MW 416.05 Made to order

New Methylene Blue N (ZnCl double salt) is a zinc chloride complex of 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.

CoA by batch

CCNC1=CC2=C(C=C1C)N=C3C=C(C(=[NH+]CC)C=C...

Overview

Specifications

Property	Value
Appearance	Dark brown to deep purple crystalline powder
Loss on Drying	5.0% max
Solubility	Soluble in water and alcohol forming a clear blue solution
Assay	90% min
Elemental Analysis Carbon	46.5 - 57.4%
Extinction co-efficient	E (632.0nm +/ -3nm) – 44000 Min. E (591.0nm +/- 3nm) – 36000 Min. E (287.0nm +/- 3nm) – 28000 Min. E(245.0nm +/ - 3nm) – 16000 Min.
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
Elemental Analysis Nitrogen	8.6 - 11.2%

Storage & handling

Property	Value
Storage Temperature	Ambient
Shelf Life	24 months
Acidity	Neutral

Identification

Property	Value
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

Warning

Explosive GHS01

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

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

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

Pack sizes & pricing

£ GBP € EUR $ USD

5 g

£56.00 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

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.

Talk to a chemist

Documents Pricing