1,1-Diethylurea
Also known as: N,N-Diethylurea, asym-Diethylurea, 1,1-diethyl-ure, NSC 165657
1,1-Diethylurea (CAS 634-95-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H12N2O and a molecular weight of 116.16200 g/mol. Key properties include a melting point of 66-71 °C, a boiling point of 130 °C / 3mmHg, a density of 0.975 g/cm3 and a flash point of 59.5ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 634-95-7
- Jingsj CID
- J-42839-7
- Molecular Formula
- C5H12N2O
- Molecular Weight
- 116.16200 g/mol
- Category
- Organic Compounds
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 66-71 °C |
|---|---|
| Boiling Point | 130 °C / 3mmHg |
| Density | 0.975 g/cm3 |
| Flash Point | 59.5ºC |
| Exact Mass | 116.09500 |
| PSA | 46.33000 |
| LogP | 1.10720 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
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 1,1-Diethylurea?
The CAS number of 1,1-Diethylurea is 634-95-7.
What are the molecular formula and molecular weight of 1,1-Diethylurea?
1,1-Diethylurea has molecular formula C5H12N2O and molecular weight 116.16200 g/mol.
Is 1,1-Diethylurea hazardous?
1,1-Diethylurea has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 1,1-Diethylurea?
For 1,1-Diethylurea, Upstream Products: Diethylamine, N-Nitrocarbamide, Diethylcyanamide; Downstream Products: 5,6-diamino-1,3-diethylpyrimidine-2,4(1H,3H)-dione, 6-Amino-1,3-diethyl-2,4(1H,3H)-pyrimidinedione, N,N-Diethylguanidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,1-Diethylurea (CAS 634-95-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42839-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.