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VAQORACHEMICALS

Dimidium bromide, AR ≥98.0%

Synonyms: Trypadine · Phenanthridinium compound 1553 · Phenanthridinium, 3,8-diamino-5-methyl-6-phenyl-, bromide · 2,7-Diamino-10-methyl-9-phenylphenanthridinium bromide

CAS No.518-67-2
FormulaC20H18BrN3
Mol. weight380.30
Catalogue No.VQ-046929
Purity≥98.0%
HSN29339900

Dimidium bromide (CAS 518-67-2) – biological stain, AR grade, ≥98.0%. C20H18BrN3, MW 380.3. Request a quote: COA, bulk packs and worldwide export.

Pack sizesPrice on quotation · bulk available
100 mg
1 g
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Dimidium bromide, AR ≥98.0%

Dimidium bromide (CAS 518-67-2) is a biological stain offered by Vaqora Chemicals in AR grade, specified at ≥98.0% purity. The compound has the formula C20H18BrN3, corresponding to a molecular weight of 380.3 g/mol. The IUPAC name is 5-methyl-6-phenylphenanthridin-5-ium-3,8-diamine bromide. It is also known as Trypadine or Phenanthridinium compound 1553.

Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for histology and cytology staining, microscopy and clinical laboratories. Typical end-use sectors are academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Standard pack sizes are 100 mg and 1 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameDimidium bromide, AR ≥98.0%
Catalogue No.VQ-046929
CAS Number518-67-2
IUPAC name5-methyl-6-phenylphenanthridin-5-ium-3,8-diamine bromide
Molecular formulaC20H18BrN3
Molecular weight380.3 g/mol
Exact mass379.0684
GradeAR
Purity / assay≥98.0%
HSN code29339900
InChIKeyMQOKYEROIFEEBH-UHFFFAOYSA-N
SMILESC[N+]1=C2C=C(C=CC2=C3C=CC(=CC3=C1C4=CC=CC=C4)N)N.[Br-]
PubChem CID68207
Physical properties
Physical formOther
H-bond donors / acceptors2 / 3
TPSA55.9 Ų
SynonymsTrypadine, Phenanthridinium compound 1553, Phenanthridinium, 3,8-diamino-5-methyl-6-phenyl-, bromide, 2,7-Diamino-10-methyl-9-phenylphenanthridinium bromide, 3,8-Diamino-5-methyl-6-phenylphenanthridinium bromide, Phenanthridinium 1553, 3,8-diamino-5-methyl-6-phenylphenanthridin-5-ium bromide, Phenanthridium 1553, Dimidium bromide (for surfactant tests), 3,8-Diamino-5-methyl-6-phenylphenthridinium bromide, 5-methyl-6-phenylphenanthridine-3,8-diamine, bromide

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant

Signal word: Warning

Hazard statements

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Other grades of CAS 518-67-2

Frequently asked questions

What is the CAS number of Dimidium bromide, AR ≥98.0%?

The CAS Registry Number of Dimidium bromide, AR ≥98.0% is 518-67-2. It is also known as Trypadine, Phenanthridinium compound 1553, Phenanthridinium, 3,8-diamino-5-methyl-6-phenyl-, bromide.

What is the molecular formula and molecular weight of Dimidium bromide, AR ≥98.0%?

Dimidium bromide, AR ≥98.0% has the molecular formula C20H18BrN3 and a molecular weight of 380.3 g/mol. Its IUPAC name is 5-methyl-6-phenylphenanthridin-5-ium-3,8-diamine bromide.

Which grade and pack sizes of Dimidium bromide, AR ≥98.0% can I order?

We supply Dimidium bromide, AR ≥98.0% in AR (≥98.0%) grade, in 100 mg, 1 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Dimidium bromide, AR ≥98.0%?

Yes. Every lot of Dimidium bromide, AR ≥98.0% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Dimidium bromide, AR ≥98.0% be shipped internationally?

Yes. Dimidium bromide, AR ≥98.0% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about Dimidium bromide, AR ≥98.0%

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

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