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Diagnostic & Clinical Reagents

Neisser's stain A

Available on request

Order Neisser's stain A (CAS 122965-43-9) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-003605.

Pack sizes
Neisser's stain A chemical structure
CAS number122965-43-9
FormulaC16H20ClN3OS
Molar mass337.9 g/mol
Physical formLiquid
HS code38229090
InChIKeyWQVSELLRAGBDLX-UHFFFAOYSA-M
IUPAC name[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;hydrate

About Neisser's stain A

Zemixal supplies Neisser's stain A within its life Science & Biochemicals portfolio. Identity at a glance: CAS 122965-43-9, formula C16H20ClN3OS and molar mass 337.9 g/mol. It is described as liquid.

Use cases we see most often

  • Clinical chemistry
  • Diagnostic assays
  • Pathology laboratories
  • Biological staining

Handling and storage

Classified under GHS with signal word Warning and hazard statements H302. Read the SDS before first use.

Available as 125 mL, 500 mL and 5 L. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Clinical chemistry
  • Diagnostic assays
  • Pathology laboratories
  • Biological staining

Applications

Specifications and identifiers

Specifications of Neisser's stain A
Product nameNeisser's stain A
Catalogue numberZX-003605
CAS number122965-43-9
IUPAC name[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;hydrate
Molecular formulaC16H20ClN3OS
Molar mass337.9 g/mol
Exact mass337.1016
Physical formLiquid
AppearanceLiquid
H-bond donors / acceptors1 / 5
Topological polar surface area44.9 Ų
HS code38229090
InChIKeyWQVSELLRAGBDLX-UHFFFAOYSA-M
SMILESCN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.O.[Cl-]
PubChem CID16211647
SynonymsMethylene Blue hydrate, Methylene Blue monohydrate, Basic Blue 9 monohydrate, Methylene Blue (hydrate), C.i. basic Blue 9 monohydrate, 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride hydrate(1:1:x), 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride xhydrate, Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride, hydrate (1:1:3), 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride hydrate, Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride, monohydrate, Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride, hydrate (1:1:1)

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Neisser's stain A
125 mLQuoted on request
500 mLQuoted on request
5 LQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Neisser's stain A

Which CAS number identifies Neisser's stain A?
Neisser's stain A is registered under CAS 122965-43-9. You may also see it listed as Methylene Blue hydrate, Methylene Blue monohydrate, Basic Blue 9 monohydrate. Our catalogue number for this item is ZX-003605.
What are the formula and molar mass of Neisser's stain A?
For Neisser's stain A, its formula is C16H20ClN3OS and its molar mass is 337.9 g/mol. InChIKey WQVSELLRAGBDLX-UHFFFAOYSA-M lets you match it in any structure database.
What grade and pack sizes are available for Neisser's stain A?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 125 mL, 500 mL, 5 L. Larger quantities and custom packing can be quoted on request.
Which documents come with Neisser's stain A?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Neisser's stain A to my country?
Yes. Because Neisser's stain A is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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