Leuco malachite green

Name: Leuco malachite green
Brand: Vaqora Chemicals
SKU: VQ-000607

About Leuco malachite green

Leuco malachite green (CAS 129-73-7) is a biological stain offered by Vaqora Chemicals with a typical assay of 98%. Formula C23H26N2, molecular weight 330.5 g/mol. The IUPAC name is 4-[[4-(dimethylamino)phenyl]-phenylmethyl]-N,N-dimethylaniline. Common synonyms include 4,4′-Benzylidenebis(N,N-dimethylaniline) and Leucomalachite green.

In its supplied form it is white to light yellow to light orange powder or crystals or chunks. Key physical data: a melting point of 100-103 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span histology and cytology staining, microscopy, clinical laboratories and biological staining. Our customers for this product work in academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Available in 100 mg, 1 g and 25 g packs, Leuco malachite green is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Leuco malachite green
Catalogue No.	VQ-000607
CAS Number	129-73-7
IUPAC name	4-[[4-(dimethylamino)phenyl]-phenylmethyl]-N,N-dimethylaniline
Molecular formula	C₂₃H₂₆N₂
Molecular weight	330.5 g/mol
Exact mass	330.2096
Purity / assay	98%
HSN code	29339900
InChIKey	WZKXBGJNNCGHIC-UHFFFAOYSA-N
SMILES	CN(C)C1=CC=C(C=C1)C(C2=CC=CC=C2)C3=CC=C(C=C3)N(C)C
PubChem CID	67215

Physical properties
Physical form	Crystalline
Appearance	White to light yellow to light orange powder or crystals or chunks
Melting point	100-103 °C
LogP (XLogP3)	5.3
H-bond donors / acceptors	0 / 2
TPSA	6.5 Å²
Synonyms	4,4′-Benzylidenebis(N,N-dimethylaniline), Leucomalachite green, Malachite green leuco, Malachite green leuco base, 4,4'-Bis(dimethylamino)triphenylmethane, C.I. Basic Green 4, leuco base, Tetramethyldiaminotriphenylmethane, Bis(p-dimethylaminophenyl)phenylmethane, p,p'-Benzylidenebis(N,N-dimethylaniline), 4,4'-Benzylidene bis(N,N-dimethylaniline), Aniline, 4,4'-benzylidenebis(N,N-dimethyl-, Bis(p-(N,N-dimethylamino)phenyl)phenylmethane

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H341Suspected of causing genetic defects
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 Leuco malachite green?

The CAS Registry Number of Leuco malachite green is 129-73-7. It is also known as 4,4′-Benzylidenebis(N,N-dimethylaniline), Leucomalachite green, Malachite green leuco.

What is the molecular formula and molecular weight of Leuco malachite green?

Leuco malachite green has the molecular formula C23H26N2 and a molecular weight of 330.5 g/mol. Its IUPAC name is 4-[[4-(dimethylamino)phenyl]-phenylmethyl]-N,N-dimethylaniline.

Which grade and pack sizes of Leuco malachite green can I order?

We supply Leuco malachite green in (98%) grade, in 100 mg, 1 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Leuco malachite green?

Yes. Every lot of Leuco malachite green 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 Leuco malachite green be shipped internationally?

Yes. Leuco malachite green 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.