Dimidium bromide, 99%

Name: Dimidium bromide, 99%
Brand: Vaqora Chemicals
SKU: VQ-000551

About Dimidium bromide, 99%

Listed under CAS 518-67-2, Dimidium bromide is a biological stain available from Vaqora Chemicals at a purity of ≥99%. Formula C20H18BrN3, molecular weight 380.3 g/mol. Systematically, it is named 5-methyl-6-phenylphenanthridin-5-ium-3,8-diamine bromide. It is also known as Trypadine or Phenanthridinium compound 1553.

It is supplied as a light to dark purple crystal or powder. Literature values give a melting point of 231-249 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span histology and cytology staining, microscopy, clinical laboratories and analytical determinations. Buyers come mainly from academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Standard pack sizes are 100 mg, 500 mg, 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Analytical determinations

Industries

Specifications & identifiers

Chemical identifiers
Product name	Dimidium bromide, 99%
Catalogue No.	VQ-000551
CAS Number	518-67-2
IUPAC name	5-methyl-6-phenylphenanthridin-5-ium-3,8-diamine bromide
Molecular formula	C₂₀H₁₈BrN₃
Molecular weight	380.3 g/mol
Exact mass	379.0684
Purity / assay	≥99%
HSN code	29339900
InChIKey	MQOKYEROIFEEBH-UHFFFAOYSA-N
SMILES	C[N+]1=C2C=C(C=CC2=C3C=CC(=CC3=C1C4=CC=CC=C4)N)N.[Br-]
PubChem CID	68207

Physical properties
Physical form	Crystalline
Appearance	Light to dark purple crystal or powder
Melting point	231-249 °C
H-bond donors / acceptors	2 / 3
TPSA	55.9 Å²
Synonyms	3,8-Diamino-5-methyl-6-phenylphenanthridinium bromide, Trypadine, Phenanthridinium compound 1553, Phenanthridinium, 3,8-diamino-5-methyl-6-phenyl-, bromide, 2,7-Diamino-10-methyl-9-phenylphenanthridinium bromide, Phenanthridinium 1553, 3,8-diamino-5-methyl-6-phenylphenanthridin-5-ium bromide, Dimidium bromide, >=95%, Dimidium bromide, 98.0-102.0%, Dimidium (bromide), Phenanthridium 1553

Safety & hazard information (GHS)

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

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 518-67-2

AR

Dimidium bromide, AR ≥98.0%

CAS: 518-67-2
Formula: C₂₀H₁₈BrN₃
MW: 380.3 g/mol

VQ-046929

Frequently asked questions

What is the CAS number of Dimidium bromide, 99%?

The CAS Registry Number of Dimidium bromide, 99% is 518-67-2. It is also known as 3,8-Diamino-5-methyl-6-phenylphenanthridinium bromide, Trypadine, Phenanthridinium compound 1553.

What is the molecular formula and molecular weight of Dimidium bromide, 99%?

Dimidium bromide, 99% 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, 99% can I order?

We supply Dimidium bromide, 99% in (≥99%) grade, in 100 mg, 500 mg, 1 g, 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Dimidium bromide, 99%?

Yes. Every lot of Dimidium bromide, 99% 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, 99% be shipped internationally?

Yes. Dimidium bromide, 99% 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.