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N-Nitrosodimethylamine

Also known as: NDMA, DMN, DMNA, Dimethylnitrosamine, N-Methyl-N-nitrosomethanamine, Methanamine, N-methyl-N-nitroso-, N,N-Dimethylnitrosamine, N,N-dimethylnitrous amide, Nitrosodimethylamine, NSC 23226

N-Nitrosodimethylamine (CAS 62-75-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C2H6N2O and a molecular weight of 74.082 g/mol. Key properties include a melting point of 50ºC, a boiling point of 152.0±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 36.1±18.7 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H301 — Toxic if swallowed and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
62-75-9
Jingsj CID
J-39763-8
Molecular Formula
C2H6N2O
Molecular Weight
74.082 g/mol
Category
Organic Bases
Last updated
8/21/2026
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Physicochemical Properties

Melting Point50ºC
Boiling Point152.0±0.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point36.1±18.7 °C
Exact Mass74.048012
PSA32.67000
LogP-0.64
Vapor Pressure4.6±0.2 mmHg at 25°C
Refractive Index1.427

GHS Safety & Compliance

Flammable / Acute Toxicity / Health HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H331 — Toxic if inhaled
  • H350 — May cause cancer
  • H370 — Causes damage to organs

Activity & Biological Data

Additional Information[1]. Haggerty HG, et, al. Role of metabolism in dimethylnitrosamine-induced immunosuppression: a review. Toxicology. 1990 Jul;63(1):1-23. [2]. Takayama S, et, al. Sequential effects of chemically different carcinogens, dimethylnitrosamine and 4-dimethylaminoazobenzene, on hepatocarcinogenesis in rats. Int J Cancer. 1969 Jul 15;4(4):373-83.

Frequently Asked Questions

What is the CAS number of N-Nitrosodimethylamine?

The CAS number of N-Nitrosodimethylamine is 62-75-9.

What are the molecular formula and molecular weight of N-Nitrosodimethylamine?

N-Nitrosodimethylamine has molecular formula C2H6N2O and molecular weight 74.082 g/mol.

Is N-Nitrosodimethylamine hazardous?

N-Nitrosodimethylamine has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H301 — Toxic if swallowed; H311 — Toxic in contact with skin.

What are the upstream and downstream products of N-Nitrosodimethylamine?

For N-Nitrosodimethylamine, Upstream Products: Dimethylamine, N,N,N',N'-Tetramethyldiaminomethane, N,N,N',N'-Tetramethyl-1,6-hexanediamine; Downstream Products: Methyl trifluoromethanesulfonate, 1,1-Dimethylhydrazine hydrochloride, Formaldoxime.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "N-Nitrosodimethylamine (CAS 62-75-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39763-8 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.