N-methylformamide
Also known as: Methylformamide, Monomethylformamide, NMF, N-Formylmethylamine, Formylmethylamine
N-methylformamide (CAS 123-39-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C2H5NO and a molecular weight of 59.067 g/mol. Key properties include a melting point of -4 ºC, a boiling point of 199-201 ºC, a density of 1.011 and a flash point of 111 ºC. It is classified under GHS with signal word Danger and hazard statements H312 — Harmful in contact with skin and H360 — May damage fertility or the unborn child. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 123-39-7
- Jingsj CID
- J-1096929-6
- Molecular Formula
- C2H5NO
- Molecular Weight
- 59.067 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -4 ºC |
|---|---|
| Boiling Point | 199-201 ºC |
| Density | 1.011 |
| Flash Point | 111 ºC |
| Exact Mass | 59.037113 |
| PSA | 29.10000 |
| LogP | -0.60 |
| Vapor Pressure | 0.8±0.3 mmHg at 25°C |
| Refractive Index | 1.431-1.433 |
| Additional Property | miscible |
GHS Safety & Compliance
- H312 — Harmful in contact with skin
- H360 — May damage fertility or the unborn child
Customs & Trade Information
| HS Code | 2924199090 |
|---|---|
| Summary | 2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of N-methylformamide?
The CAS number of N-methylformamide is 123-39-7.
What are the molecular formula and molecular weight of N-methylformamide?
N-methylformamide has molecular formula C2H5NO and molecular weight 59.067 g/mol.
Is N-methylformamide hazardous?
N-methylformamide has GHS signal word Danger and hazard statements H312 — Harmful in contact with skin; H360 — May damage fertility or the unborn child.
What are the upstream and downstream products of N-methylformamide?
For N-methylformamide, Upstream Products: methyl formate, N-(2-benzoyl-4-chlorophenyl)formamide, iodomethane; Downstream Products: Formic Acid, 4-Methylpyridine, N-(4-Methoxyphenyl)formamide.
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-methylformamide (CAS 123-39-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1096929-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.