N-Nitrosodiethylamine
Also known as: Diethylnitrosamine, NDEA, DEN, DENA, N,N-Diethylnitrosoamine, N-Ethyl-N-nitrosoethanamine, Diethylamine, N-nitroso, Diaethylnitrosamin, Ethanamine, N-ethyl-N-nitroso-, MFCD00013890, Nitrosodiethylamine
N-Nitrosodiethylamine (CAS 55-18-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C4H10N2O and a molecular weight of 102.135 g/mol. Key properties include a melting point of <25℃, a boiling point of 173.9±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 59.0±18.7 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. It is listed by 1 supplier, from 51.12 to 100.80 CNY. Record last updated Nov 3, 2026.
- CAS No.
- 55-18-5
- Jingsj CID
- J-18647-6
- Molecular Formula
- C4H10N2O
- Molecular Weight
- 102.135 g/mol
- Category
- Organic Bases
- Last updated
- 11/3/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | >99.0%(GC) 25ml | ¥1,278.00 | $7.65 /mlBest ¥51.12/ml CNY | CN China MOQ 25ml | |
In Stock | 99% 25ml | ¥1,650.00 | $9.88 /ml ¥66.00/ml CNY | CN China MOQ 25ml | |
In Stock | >99.0%(GC) 5ml | ¥473.40 | $14.17 /ml ¥94.68/ml CNY | CN China MOQ 5ml |
Physicochemical Properties
| Melting Point | <25℃ |
|---|---|
| Boiling Point | 173.9±9.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 59.0±18.7 °C |
| Exact Mass | 102.079315 |
| PSA | 32.67000 |
| LogP | 0.42 |
| Vapor Pressure | 1.7±0.3 mmHg at 25°C |
| Refractive Index | 1.442 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
- H350 — May cause cancer
- H370 — Causes damage to organs
Frequently Asked Questions
What is the CAS number of N-Nitrosodiethylamine?
The CAS number of N-Nitrosodiethylamine is 55-18-5.
What are the molecular formula and molecular weight of N-Nitrosodiethylamine?
N-Nitrosodiethylamine has molecular formula C4H10N2O and molecular weight 102.135 g/mol.
Which suppliers offer N-Nitrosodiethylamine?
1 supplier(s) listed; reference unit price ¥51.12–100.80 /ml.
Is N-Nitrosodiethylamine hazardous?
N-Nitrosodiethylamine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.
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-Nitrosodiethylamine (CAS 55-18-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18647-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.