5,5-Dimethylhydantoin (CAS 77-71-4) — formula C5H8N2O2, molecular weight 128.13; category organic chemicals.
5,5-Dimethylhydantoin is a carbon-based organic compound with CAS registry number 77-71-4 and molecular formula C5H8N2O2 (molecular weight 128.13), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 77-71-4
Its molecular formula C5H8N2O2 comprises 5 C, 8 H, 2 N, 2 O atoms.
Also known as: 5,5-Dimethylhydantoin · Dimethyl Hydantoin
Category: organic chemicals
The CAS registry number of 5,5-Dimethylhydantoin is 77-71-4.
Molecular formula C5H8N2O2, molecular weight 128.13.
It is also registered under: 5,5-Dimethylhydantoin, Dimethyl Hydantoin.
Category: Organic Chemicals.
Public-database records for 5,5-Dimethylhydantoin (CAS 77-71-4), reproduced here for independent cross-checking.
| GHS notification summary | 91% (252 / 277) |
|---|
This chemical does not meet GHS hazard criteria for 91% (252 of 277) of all reports.
Reported as not meeting GHS hazard criteria by 252 of 277 companies (only 9% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
| Regulatory & Food Contact | FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS 2,4-IMIDAZOLIDINEDIONE, 5,5-DIMETHYL 5,5-Dimethylhydantoin (DMH) (CAS Reg. No. 77-71-4) The FCS will be used as a stabilizer for hypohalite slimicides used in the manufacture of food-contact paper a The FCS will be used at a level not to exceed 0.5 g DMH per kg of dry fiber. |
|---|---|
| GHS notification summary | 91% (252 / 277) |
| 熔点 | 178 °C |
|---|---|
| 蒸气压 | 0.0000028 [mmHg] |
| LogP | log Kow = -0.48 |
| LogP | -0.48 |
| Dissociation Constants | pKa = 9.19 |
| Formulations/Preparations | Reagent grade: 97% |
| CAS Registry Number | 77-71-4 |
|---|---|
| PubChem CID | 6491 |
| 分子式 | C5H8N2O2 |
| IUPAC 名称 | 5,5-dimethylimidazolidine-2,4-dione |
| UNII（FDA） | 34032MQ9RO |
5,5-DIMETHYLHYDANTOIN; 77-71-4; Dimethylhydantoin; 2,4-Imidazolidinedione, 5,5-dimethyl-; Dantoin DMH; 5,5-Dimethyl-2,4-imidazolidinedione; Dantoin 736; 5,5-Dimethyl hydantoin; Hydantoin, 5,5-dimethyl-; DTXSID5021754; 34032MQ9RO; NSC-8652; DTXCID601754; RefChem:527790; 201-051-3; 5,5-dimethylimidazolidine-2,4-dione
| 分子量 | 128.13 |
|---|---|
| XLogP3 | -0.3 |
| 氢键供体数 | 2 |
| 氢键受体数 | 2 |
| 可旋转键数 | 0 |
| 精确质量 | 128.058577502 |
| 单同位素质量 | 128.058577502 |
| 拓扑极性表面积 | 58.2 |
| 重原子数 | 9 |
| 形式电荷 | 0 |
5,5-Dimethylhydantoin · CAS 77-71-4 · C5H8N2O2. UNII 34032MQ9RO. 熔点: 178 °C; 蒸气压: 0.0000028 [mmHg]; LogP: log Kow = -0.48.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd. · Reply within one business day.