1,5,5-Trimethylhydantoin
Also known as: 1,5,5-Trimethylimidazolidine-2,4-dione, 1-Methyl-5,5-dimethylhydantoin, 3,4,4-Trimethyl-2,5-dioxoimidazolidine, 1,5,5-Trimethyl-2,4-imidazolidinedione, 1,5,5-Trimethylhydantoine, Trimethylhydantoin
1,5,5-Trimethylhydantoin (CAS 6851-81-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H10N2O2 and a molecular weight of 142.15600 g/mol. Key properties include a melting point of 161-164 °C(lit.) and a density of 1.117 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6851-81-6
- Jingsj CID
- J-18357-3
- Molecular Formula
- C6H10N2O2
- Molecular Weight
- 142.15600 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 161-164 °C(lit.) |
|---|---|
| Density | 1.117 g/cm3 |
| Exact Mass | 142.07400 |
| PSA | 49.41000 |
| LogP | 0.21330 |
| Refractive Index | 1.463 |
| Storage Conditions | 2~8°C |
Activity & Biological Data
| Additional Information | [1]. Zi-Ao Huang, et al. Application of multisegment injection on quantification of creatinine and standard addition analysis of urinary 5-hydroxyindoleacetic acid simultaneously with creatinine normalization. Electrophoresis. 2020 Feb;41(3-4):183-193. |
|---|
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,5,5-Trimethylhydantoin?
The CAS number of 1,5,5-Trimethylhydantoin is 6851-81-6.
What are the molecular formula and molecular weight of 1,5,5-Trimethylhydantoin?
1,5,5-Trimethylhydantoin has molecular formula C6H10N2O2 and molecular weight 142.15600 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,5,5-Trimethylhydantoin (CAS 6851-81-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18357-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.