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Nitrosamine Impurities

N-Methyl-N-Nitroso p-Toluidine

Reference StandardAvailable on request

N-Methyl-N-Nitroso p-Toluidine (CAS 937-24-6) supplier Zemixal: C8H10N2O, COA and SDS with every lot, worldwide shipping.

Pack sizes
N-Methyl-N-Nitroso p-Toluidine chemical structure
CAS number937-24-6
FormulaC8H10N2O
Molar mass150.18 g/mol
Physical formSolid
HS code38229090
InChIKeyNEIPHSHFJXGGOS-UHFFFAOYSA-N
IUPAC nameN-methyl-N-(4-methylphenyl)nitrous amide

About N-Methyl-N-Nitroso p-Toluidine

Analytical teams working on Toluidine use N-Methyl-N-Nitroso p-Toluidine as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 937-24-6, formula C8H10N2O and molar mass 150.18 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Nitrosamine risk assessment
  • Trace LC-MS/MS quantitation
  • Method validation (AMV)
  • Regulatory submissions

Handling and storage

Classified under GHS with signal word Danger and hazard statements H301, H311, H319 and H351. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Toluidine

See every impurity, metabolite and related compound we list for this API.

Toluidine standards

Typical uses

  • Nitrosamine risk assessment
  • Trace LC-MS/MS quantitation
  • Method validation (AMV)
  • Regulatory submissions

Applications

Specifications and identifiers

Specifications of N-Methyl-N-Nitroso p-Toluidine
Product nameN-Methyl-N-Nitroso p-Toluidine
Catalogue numberZX-026145
CAS number937-24-6
IUPAC nameN-methyl-N-(4-methylphenyl)nitrous amide
Molecular formulaC8H10N2O
Molar mass150.18 g/mol
Exact mass150.0793
GradeReference Standard
Physical formSolid
XLogP32.5
H-bond donors / acceptors0 / 3
Topological polar surface area32.7 Ų
HS code38229090
InChIKeyNEIPHSHFJXGGOS-UHFFFAOYSA-N
SMILESCC1=CC=C(C=C1)N(C)N=O
PubChem CID101493
SynonymsP-Toluidine, N-methyl-N-nitroso-, 4-Methyl-N-nitroso-N-methylaniline, N,4-dimethyl-N-nitrosoaniline, N-Nitroso-N-methyl-p-toluidin, N-Methyl-N-(p-tolyl)nitrous amide, N-Nitroso N-Methyl-4-Methyl-Aniline, Benzenamine, N,4-dimethyl-N-nitroso-, 1-Methyl-1-(4-methylphenyl)-2-oxohydrazine #

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H301Toxic if swallowed
  • H311Toxic in contact with skin
  • H319Causes serious eye irritation
  • H351Suspected of causing cancer

Precautionary statements P203, P262, P264, P264 + P265, P270, P280, P301 + P316, P302 + P352, P305 + P351 + P338, P316, P318, P321, P330, P337 + P317, P361 + P364, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of N-Methyl-N-Nitroso p-Toluidine
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about N-Methyl-N-Nitroso p-Toluidine

Which CAS number identifies N-Methyl-N-Nitroso p-Toluidine?
N-Methyl-N-Nitroso p-Toluidine is registered under CAS 937-24-6. You may also see it listed as P-Toluidine, N-methyl-N-nitroso-, 4-Methyl-N-nitroso-N-methylaniline, N,4-dimethyl-N-nitrosoaniline. Our catalogue number for this item is ZX-026145.
What are the formula and molar mass of N-Methyl-N-Nitroso p-Toluidine?
For N-Methyl-N-Nitroso p-Toluidine, its formula is C8H10N2O and its molar mass is 150.18 g/mol. The systematic (IUPAC) name is N-methyl-N-(4-methylphenyl)nitrous amide. InChIKey NEIPHSHFJXGGOS-UHFFFAOYSA-N lets you match it in any structure database.
How is N-Methyl-N-Nitroso p-Toluidine used in pharmaceutical QC?
N-Methyl-N-Nitroso p-Toluidine is a characterised reference material linked to Toluidine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for N-Methyl-N-Nitroso p-Toluidine?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with N-Methyl-N-Nitroso p-Toluidine?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship N-Methyl-N-Nitroso p-Toluidine to my country?
Yes. Because N-Methyl-N-Nitroso p-Toluidine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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