1,3-Dibromo-5,5-dimethylhydantoin
Also known as: DBDMH, Dibromohydantoin, 1,3-Dibromo-5,5-dimethyl-2,4-imidazolidinedione, 1,3-Dibromo-5,5-dimethylhydantoin, Bromtoin, Bromotoin, Dibromantine, N,N'-dibromo-5,5-dimethylhydantoin, DIBROMANTIN, DIBROMATIN, Dimethyl Dibromohydantoin
1,3-Dibromo-5,5-dimethylhydantoin (CAS 77-48-5) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H6Br2N2O2 and a molecular weight of 285.921 g/mol. Key properties include a melting point of 197-199 °C (dec.)(lit.), a boiling point of 250.2±23.0 °C at 760 mmHg, a density of 2.2±0.1 g/cm3 and a flash point of 105.1±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H272, H301 — Toxic if swallowed and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 77-48-5
- Jingsj CID
- J-1993029-3
- Molecular Formula
- C5H6Br2N2O2
- Molecular Weight
- 285.921 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 197-199 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 250.2±23.0 °C at 760 mmHg |
| Density | 2.2±0.1 g/cm3 |
| Flash Point | 105.1±22.6 °C |
| Exact Mass | 283.879578 |
| PSA | 40.62000 |
| LogP | 1.68 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.622 |
GHS Safety & Compliance
- H272
- H301 — Toxic if swallowed
- H314 — Causes severe skin burns and eye damage
- H317 — May cause an allergic skin reaction
- H410 — Very toxic to aquatic life with long lasting effects
Activity & Biological Data
| Target | Alkyl-Chain |
|---|---|
| Additional Information | [1]. An S, et al. Small-molecule PROTACs: An emerging and promising approach for the development of targeted therapy drugs. EBioMedicine. 2018 Oct;36:553-562. |
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 1,3-Dibromo-5,5-dimethylhydantoin?
The CAS number of 1,3-Dibromo-5,5-dimethylhydantoin is 77-48-5.
What are the molecular formula and molecular weight of 1,3-Dibromo-5,5-dimethylhydantoin?
1,3-Dibromo-5,5-dimethylhydantoin has molecular formula C5H6Br2N2O2 and molecular weight 285.921 g/mol.
Is 1,3-Dibromo-5,5-dimethylhydantoin hazardous?
1,3-Dibromo-5,5-dimethylhydantoin has GHS signal word Danger and hazard statements H272; H301 — Toxic if swallowed; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 1,3-Dibromo-5,5-dimethylhydantoin?
For 1,3-Dibromo-5,5-dimethylhydantoin, Upstream Products: 5,5-Dimethylhydantoin, 1,3-Dichloro-5,5-dimethylhydantoin; Downstream Products: 1,6-Dibromopyrene, 1,8-Dibromopyrene, Cyclohexanone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-Dibromo-5,5-dimethylhydantoin (CAS 77-48-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993029-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.