Pararosaniline base

Name: Pararosaniline base
Brand: Vaqora Chemicals
SKU: VQ-000678

About Pararosaniline base

Listed under CAS 467-62-9, Pararosaniline base is a biological stain available from Vaqora Chemicals (Microscopy grade). With the molecular formula C19H19N3O, it has a molar mass of 305.4 g/mol. Its systematic (IUPAC) name is tris(4-aminophenyl)methanol. Common synonyms include Parafuchsin and Paramagenta.

The product is provided as a powder. Literature values give a melting point of 205 °C and a density of 1.29 g/cm3. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

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

We offer Pararosaniline base in 5 g, 25 g, 5 x 100 g and 5 x 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Fine chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Pararosaniline base
Catalogue No.	VQ-000678
CAS Number	467-62-9
IUPAC name	tris(4-aminophenyl)methanol
Molecular formula	C₁₉H₁₉N₃O
Molecular weight	305.4 g/mol
Exact mass	305.1528
Grade	Microscopy
HSN code	32041929
InChIKey	KRVRUAYUNOQMOV-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1C(C2=CC=C(C=C2)N)(C3=CC=C(C=C3)N)O)N
PubChem CID	10084

Physical properties
Physical form	Powder
Appearance	Powder
Melting point	205 °C
Density	1.29 g/cm3
LogP (XLogP3)	2.2
H-bond donors / acceptors	4 / 4
TPSA	98.3 Å²
Synonyms	Parafuchsin, Paramagenta, Fuchsin dye base, Parafuchsin carbinol, Tris (4-aminophenyl) carbinol, Methanol, tris(4-aminophenyl)-, Benzenemethanol, 4-amino-.alpha.,.alpha.-bis(4-aminophenyl)-, 4,4',4''-Triaminotrityl alcohol, 4,4',4''-Triaminotriphenylcarbinol, Benzenemethanol, 4-amino-alpha,alpha-bis(4-aminophenyl)-, Methanol, tris(4aminophenyl), Tris (4aminophenyl) carbinol

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H351Suspected of causing cancer

Precautionary statements: P203, P280, P318, 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

Frequently asked questions

What is the CAS number of Pararosaniline base?

The CAS Registry Number of Pararosaniline base is 467-62-9. It is also known as Parafuchsin, Paramagenta, Fuchsin dye base.

What is the molecular formula and molecular weight of Pararosaniline base?

Pararosaniline base has the molecular formula C19H19N3O and a molecular weight of 305.4 g/mol. Its IUPAC name is tris(4-aminophenyl)methanol.

Which grade and pack sizes of Pararosaniline base can I order?

We supply Pararosaniline base in Microscopy grade, in 5 g, 25 g, 5 x 100 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Pararosaniline base?

Yes. Every lot of Pararosaniline base 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 Pararosaniline base be shipped internationally?

Yes. Pararosaniline base 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.