1-Ethyl-1-nitrosourea
Also known as: N-Ethyl-N-nitrosourea, N-Nitroso-N-ethylurea, Ethylnitrosourea, Nitrosoethylurea, N-Ethylnitrosourea, ENU
1-Ethyl-1-nitrosourea (CAS 759-73-9) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H7N3O2 and a molecular weight of 117.10700 g/mol. Key properties include a melting point of 103-104ºC (dec), a boiling point of 181.8ºC at 760 mmHg, a density of 1.35g/cm3 and a flash point of 63.8ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 759-73-9
- Jingsj CID
- J-18205-6
- Molecular Formula
- C3H7N3O2
- Molecular Weight
- 117.10700 g/mol
- Category
- Nitrogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 103-104ºC (dec) |
|---|---|
| Boiling Point | 181.8ºC at 760 mmHg |
| Density | 1.35g/cm3 |
| Flash Point | 63.8ºC |
| Exact Mass | 117.05400 |
| PSA | 75.76000 |
| LogP | 0.76870 |
| Refractive Index | 1.532 |
| Storage Conditions | −20°C |
| Stability | Unstable at RT, Contains approximately 40% Water, 2.0% Acetic Acid to stabilize |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H350 — May cause cancer
- 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 1-Ethyl-1-nitrosourea?
The CAS number of 1-Ethyl-1-nitrosourea is 759-73-9.
What are the molecular formula and molecular weight of 1-Ethyl-1-nitrosourea?
1-Ethyl-1-nitrosourea has molecular formula C3H7N3O2 and molecular weight 117.10700 g/mol.
Is 1-Ethyl-1-nitrosourea hazardous?
1-Ethyl-1-nitrosourea has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H312 — Harmful in contact with skin; H332 — Harmful 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. "1-Ethyl-1-nitrosourea (CAS 759-73-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18205-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.