Dimethylolurea
1,3-双羟甲基脲
Also known as: 1,3-Bis(hydroxymethyl)urea, N,N'-Bis(hydroxymethyl)urea, DMU, N,N'-Dimethylolurea, Carbamol
Dimethylolurea (CAS 140-95-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H8N2O3 and a molecular weight of 120.107 g/mol. It is also known as 1,3-Bis(hydroxymethyl)urea, N,N'-Bis(hydroxymethyl)urea and DMU. Key properties include a melting point of 125 °C (dec.)(lit.), a boiling point of 460.5±30.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 232.3±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 140-95-4
- Jingsj CID
- J-1993681-7
- Molecular Formula
- C3H8N2O3
- Chinese Name
- 1,3-双羟甲基脲
- Molecular Weight
- 120.107 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 125 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 460.5±30.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 232.3±24.6 °C |
| Exact Mass | 120.053490 |
| PSA | 81.59000 |
| LogP | -2.61 |
| Vapor Pressure | 0.0±2.6 mmHg at 25°C |
| Refractive Index | 1.509 |
| Additional Property | 150 g/L |
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 Dimethylolurea?
The CAS number of Dimethylolurea is 140-95-4.
What are the molecular formula and molecular weight of Dimethylolurea?
Dimethylolurea has molecular formula C3H8N2O3 and molecular weight 120.107 g/mol.
What are the upstream and downstream products of Dimethylolurea?
For Dimethylolurea, Upstream Products: Formaldehyde, Urea, N,N''-methylenebis(urea); Downstream Products: 1,1-Dimethylurea, 1,3-Bis(methoxymethyl)urea, 1,3-Dimethylurea.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dimethylolurea (CAS 140-95-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993681-7 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.