N,N,N′,N′-Tetramethyl-p-phenylenediamine dihy… 637-01-4

Name: N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride, 99%
Brand: Vaqora Chemicals
SKU: VQ-000640

About N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride, 99%

Vaqora Chemicals supplies N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride in Synthesis grade, a biological stain registered under CAS number 637-01-4 with a typical assay of 99%. Formula C10H18Cl2N2, molecular weight 237.17 g/mol. The IUPAC name is 1-N,1-N,4-N,4-N-tetramethylbenzene-1,4-diamine. Dihydrochloride. Alternative names: TMPPD and Wurster's reagent.

The material typically appears as an off-white to grey to brown powder. Key physical data: a melting point of 222-224 °C. Store it at room temperature in a dry place, in a tightly closed container. It carries the GHS signal word “Warning” with 6 hazard statements. Review the Safety Data Sheet before use.

Typical applications include histology and cytology staining, microscopy, clinical laboratories and cell and microbial culture. Typical end-use sectors are academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Standard pack sizes are 1 g, 5 g, 25 g and 100 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Cell & microbial culture

Industries

Specifications & identifiers

Chemical identifiers
Product name	N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride, 99%
Catalogue No.	VQ-000640
CAS Number	637-01-4
IUPAC name	1-N,1-N,4-N,4-N-tetramethylbenzene-1,4-diamine;dihydrochloride
Molecular formula	C₁₀H₁₈Cl₂N₂
Molecular weight	237.17 g/mol
Exact mass	236.0847
Grade	Synthesis
Purity / assay	99%
HSN code	29215190
InChIKey	FBHKTSXMTASXFJ-UHFFFAOYSA-N
SMILES	CN(C)C1=CC=C(C=C1)N(C)C.Cl.Cl
PubChem CID	71561

Physical properties
Physical form	Powder
Appearance	Off-white to grey to brown powder
Melting point	222-224 °C
H-bond donors / acceptors	2 / 2
TPSA	6.5 Å²
Storage	Room temperature
Synonyms	TMPPD, Wurster's reagent, TMPD dihydrochloride, N,N,N',N'-Tetramethyl-p-phenylenediamine dihydrochloride, N,N,N',N'-Tetramethyl-1,4-phenylenediamine Dihydrochloride, Wurster's reagent dihydrochloride, tetramethyl-p-phenylenediamine dihydrochloride, 1,4-Benzenediamine, N,N,N',N'-tetramethyl-, dihydrochloride, 1,4-Benzenediamine, N1,N1,N4,N4-tetramethyl-, hydrochloride (1:2), 1,4-Bis(dimethylamino)benzene dihydrochloride, N,N,N',N'Tetramethylparaphenylenediamine dihydrochloride, pPhenylenediamine, N,N,N',N'tetramethyl, dihydrochloride

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, 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

Frequently asked questions

What is the CAS number of N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride, 99%?

The CAS Registry Number of N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride, 99% is 637-01-4. It is also known as TMPPD, Wurster's reagent, TMPD dihydrochloride.

What is the molecular formula and molecular weight of N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride, 99%?

N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride, 99% has the molecular formula C10H18Cl2N2 and a molecular weight of 237.17 g/mol.

Which grade and pack sizes of N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride, 99% can I order?

We supply N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride, 99% in Synthesis (99%) grade, in 1 g, 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride, 99%?

Yes. Every lot of N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride, 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 N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride, 99% be shipped internationally?

Yes. N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride, 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.

How should N,N,N′,N′-Tetramethyl-p-phenylenediamine dihydrochloride, 99% be stored?

Room temperature. Keep the container tightly closed and refer to the SDS for full handling guidance.