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Diagnostic & Clinical Reagents

Neisser's stain B

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Buy Neisser's stain B (CAS 548-62-9) from Zemixal. Request a quote with price, lead time and documents. Ships from India to 120+ countries.

Pack sizes
Neisser's stain B chemical structure
CAS number548-62-9
FormulaC25H30ClN3
Molar mass408 g/mol
Physical formLiquid
HS code38229090
InChIKeyZXJXZNDDNMQXFV-UHFFFAOYSA-M
IUPAC name[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride

About Neisser's stain B

Neisser's stain B is part of the Zemixal diagnostic & Clinical Reagents range. Identity at a glance: CAS 548-62-9, formula C25H30ClN3 and molar mass 408 g/mol. It is described as liquid.

Where it is used

  • Clinical chemistry
  • Diagnostic assays
  • Pathology laboratories

Storage and safety notes

Hazard communication follows GHS (Danger: H302, H318, H351 and H400). Our SDS lists exposure controls and first-aid measures.

Order it in 125 mL, 500 mL and 5 L packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Clinical chemistry
  • Diagnostic assays
  • Pathology laboratories

Applications

Diagnostics, Life Science and BiotechResearch Labs and Universities

Specifications and identifiers

Specifications of Neisser's stain B
Product nameNeisser's stain B
Catalogue numberZX-003606
CAS number548-62-9
IUPAC name[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride
Molecular formulaC25H30ClN3
Molar mass408 g/mol
Exact mass407.2128
Physical formLiquid
AppearanceLiquid
H-bond donors / acceptors0 / 3
Topological polar surface area9.5 Ų
HS code38229090
InChIKeyZXJXZNDDNMQXFV-UHFFFAOYSA-M
SMILESCN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]
PubChem CID11057
SynonymsCrystal violet, gentian violet, methylrosanilinium chloride, Aniline Violet, Hexamethyl Violet, Methyl Violet 10B, Methylrosaniline chloride, Pyoktanin, Avermin, Vianin, Bismuth Violet, Hexamethylpararosaniline chloride

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

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H302Harmful if swallowed
  • H318Causes serious eye damage
  • H351Suspected of causing cancer
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P203, P264, P264 + P265, P270, P273, P280, P301 + P317, P305 + P354 + P338, P317, P318, P330, P391, P405, 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 B
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 B

Which CAS number identifies Neisser's stain B?
Neisser's stain B is registered under CAS 548-62-9. You may also see it listed as Crystal violet, gentian violet, methylrosanilinium chloride. Our catalogue number for this item is ZX-003606.
What are the formula and molar mass of Neisser's stain B?
For Neisser's stain B, its formula is C25H30ClN3 and its molar mass is 408 g/mol. The systematic (IUPAC) name is [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride. InChIKey ZXJXZNDDNMQXFV-UHFFFAOYSA-M lets you match it in any structure database.
What grade and pack sizes are available for Neisser's stain B?
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 B?
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 B to my country?
Yes. Because Neisser's stain B 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.

Other grades with CAS 548-62-9

All 9 grades

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