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Stains, Fluorescent Dyes & Histology Reagents

Victoria blue

MicroscopyAvailable on request

Buy Victoria blue (CAS 2580-56-5) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Ships from India to 120+ countries.

Pack sizes
Victoria blue chemical structure
CAS number2580-56-5
FormulaC33H32ClN3
Molar mass506.1 g/mol
Physical formPowder
HS code32041359
InChIKeyLLWJPGAKXJBKKA-UHFFFAOYSA-N
IUPAC name[4-[bis[4-(dimethylamino)phenyl]methylidene]naphthalen-1-ylidene]-phenylazanium chloride

About Victoria blue

Victoria blue sits in our stains, Fluorescent Dyes & Histology Reagents section and ships worldwide from stock or short lead time. Identity at a glance (Microscopy): CAS 2580-56-5, formula C33H32ClN3 and molar mass 506.1 g/mol. It is described as powder.

Use cases we see most often

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories
  • Analytical determinations

Handling and storage

Literature values: melting point 206 °C (dec.). Classified under GHS with signal word Danger and hazard statements H302, H317, H318 and H319. Read the SDS before first use.

Available as 25 g, 100 g and 1 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories
  • Analytical determinations

Applications

Diagnostics, Life Science and BiotechResearch Labs and UniversitiesTextiles, Dyes and Leather

Specifications and identifiers

Specifications of Victoria blue
Product nameVictoria blue
Catalogue numberZX-000732
CAS number2580-56-5
IUPAC name[4-[bis[4-(dimethylamino)phenyl]methylidene]naphthalen-1-ylidene]-phenylazanium chloride
Molecular formulaC33H32ClN3
Molar mass506.1 g/mol
Exact mass505.2285
GradeMicroscopy
Physical formPowder
AppearancePowder
Melting point206 °C (dec.)
H-bond donors / acceptors1 / 3
Topological polar surface area20.5 Ų
HS code32041359
InChIKeyLLWJPGAKXJBKKA-UHFFFAOYSA-N
SMILESCN(C)C1=CC=C(C=C1)C(=C2C=CC(=[NH+]C3=CC=CC=C3)C4=CC=CC=C24)C5=CC=C(C=C5)N(C)C.[Cl-]
PubChem CID17407
SynonymsBasic Blue 26, Basic Blue B, Victoria blue B, Calcozine Blue B, Tertrophene Blue, Victoria Pure Blue B, Hecto Blue B, Victoria Blue BX, Aizen Victoria Blue B Base, Hekto Blue B, Victoria Blue BA, Victoria Blue BN

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
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H302Harmful if swallowed
  • H317May cause an allergic skin reaction
  • H318Causes serious eye damage
  • H319Causes serious eye irritation
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P261, P264, P264 + P265, P270, P272, P273, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P305 + P354 + P338, P317, P321, P330, P333 + P317, P337 + P317, P362 + P364, P391, 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 Victoria blue
25 gQuoted on request
100 gQuoted on request
1 kgQuoted on request

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

Questions about Victoria blue

Which CAS number identifies Victoria blue?
Victoria blue is registered under CAS 2580-56-5. You may also see it listed as Basic Blue 26, Basic Blue B, Victoria blue B. Our catalogue number for this item is ZX-000732.
What are the formula and molar mass of Victoria blue?
For Victoria blue, its formula is C33H32ClN3 and its molar mass is 506.1 g/mol. The systematic (IUPAC) name is [4-[bis[4-(dimethylamino)phenyl]methylidene]naphthalen-1-ylidene]-phenylazanium chloride. InChIKey LLWJPGAKXJBKKA-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Victoria blue?
This listing is Microscopy grade. Standard packs are 25 g, 100 g, 1 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Victoria blue?
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 Victoria blue to my country?
Yes. Because Victoria blue 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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