5,5-二甲基乙内酰脲（CAS 77-71-4）：分子式 C5H8N2O2、分子量 128.13。
| CAS号 | 77-71-4 |
|---|---|
| 分子式 | C5H8N2O2 |
| 分子量 | 128.13 |
| 熔点 | 178 °C |
| LogP | log Kow = -0.48 |
| 应用领域 | Uses: CIR ingredient: DM Hydantoin、Used as an inert ingredient in pesticides and in the synthesis of water-soluble polymers、[HSDB]、Farming (Pesticides) [Category: Industry]、Synthesis、preparation of water-soluble polymers、Inert ingredient in pesticides、List 3、Use Classification: Cosmetics -> Hair conditioning、Viscosity controlling、Industry Uses: Ion exchange agent、Intermediate、Consumer Uses: Ion exchange agent、Household Products: Information on 6 consumer products that contain 5、5-Dimethyl-2、4-imidazolidinedione in the following categories is provided:、• Inside the Home、Methods of Manufacturing: From acetone、urea、and ammonium carbonate、from acetone、potassium cyanate and hydrocyanic acid、Formulations、Preparations: Reagent grade: 97%、U.S. Production: 2023: 1、000、000 - <8、500、000 lb、2022: 1、2021: 8、000 - <25、2020: 8、Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#5274]、This chemical is listed as a High Production Volume (HPV) (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and、or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B、51FR21438).、General Manufacturing Information: Pesticide、Fertilizer、and Other Agricultural Chemical Manufacturing、All Other Chemical Product and Preparation Manufacturing、All Other Basic Organic Chemical Manufacturing、2、4-Imidazolidinedione、5、5-dimethyl-: ACTIVE、...derivatives have been patented as color photographic couplers ...、Some、5-disubstituted hydantoins ... are used in medicine、5-Domethylhydantoins、Several hydantoin derivatives are found in various consumer items、hair sprays、cosmetics、acne medications、and photographic film. Several amino acids are produced commercially from hydantoins.、Hydantoins、Hydantoin epoxy-resins are used in ... industry when weather resistance、high temperature resistance、good color、or high filler loading is required. |
登记用途：Uses: CIR ingredient: DM Hydantoin、Used as an inert ingredient in pesticides and in the synthesis of water-soluble polymers、[HSDB]、Farming (Pesticides) [Category: Industry]、Synthesis、preparation of water-soluble polymers、Inert ingredient in pesticides、List 3、Use Classification: Cosmetics -> Hair conditioning、Viscosity controlling、Industry Uses: Ion exchange agent、Intermediate、Consumer Uses: Ion exchange agent、Household Products: Information on 6 consumer products that contain 5、5-Dimethyl-2、4-imidazolidinedione in the following categories is provided:、• Inside the Home、Methods of Manufacturing: From acetone、urea、and ammonium carbonate、from acetone、potassium cyanate and hydrocyanic acid、Formulations、Preparations: Reagent grade: 97%、U.S. Production: 2023: 1、000、000 - <8、500、000 lb、2022: 1、2021: 8、000 - <25、2020: 8、Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#5274]、This chemical is listed as a High Production Volume (HPV) (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and、or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B、51FR21438).、General Manufacturing Information: Pesticide、Fertilizer、and Other Agricultural Chemical Manufacturing、All Other Chemical Product and Preparation Manufacturing、All Other Basic Organic Chemical Manufacturing、2、4-Imidazolidinedione、5、5-dimethyl-: ACTIVE、...derivatives have been patented as color photographic couplers ...、Some、5-disubstituted hydantoins ... are used in medicine、5-Domethylhydantoins、Several hydantoin derivatives are found in various consumer items、hair sprays、cosmetics、acne medications、and photographic film. Several amino acids are produced commercially from hydantoins.、Hydantoins、Hydantoin epoxy-resins are used in ... industry when weather resistance、high temperature resistance、good color、or high filler loading is required.。
5,5-二甲基乙内酰脲 是一种化工化合物，登记 CAS 号为 77-71-4，分子式 C5H8N2O2（分子量 128.13）。
登记 CAS 号：77-71-4
其分子式 C5H8N2O2 由 5 个碳、8 个氢、2 个氮、2 个氧 组成。
别名/同义词：5,5-二甲基乙内酰脲 · Dimethyl Hydantoin · 5,5-Dimethylhydantoin
5,5-二甲基乙内酰脲 的 CAS 登记号为 77-71-4。
分子式 C5H8N2O2，分子量 128.13。
别名/同义词：5,5-二甲基乙内酰脲、Dimethyl Hydantoin、5,5-Dimethylhydantoin。
登记用途：Uses: CIR ingredient: DM Hydantoin、Used as an inert ingredient in pesticides and in the synthesis of water-soluble polymers、[HSDB]、Farming (Pesticides) [Category: Industry]、Synthesis、preparation of water-soluble polymers、Inert ingredient in pesticides、List 3、Use Classification: Cosmetics -> Hair conditioning、Viscosity controlling、Industry Uses: Ion exchange agent、Intermediate、Consumer Uses: Ion exchange agent、Household Products: Information on 6 consumer products that contain 5、5-Dimethyl-2、4-imidazolidinedione in the following categories is provided:、• Inside the Home、Methods of Manufacturing: From acetone、urea、and ammonium carbonate、from acetone、potassium cyanate and hydrocyanic acid、Formulations、Preparations: Reagent grade: 97%、U.S. Production: 2023: 1、000、000 - <8、500、000 lb、2022: 1、2021: 8、000 - <25、2020: 8、Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#5274]、This chemical is listed as a High Production Volume (HPV) (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and、or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B、51FR21438).、General Manufacturing Information: Pesticide、Fertilizer、and Other Agricultural Chemical Manufacturing、All Other Chemical Product and Preparation Manufacturing、All Other Basic Organic Chemical Manufacturing、2、4-Imidazolidinedione、5、5-dimethyl-: ACTIVE、...derivatives have been patented as color photographic couplers ...、Some、5-disubstituted hydantoins ... are used in medicine、5-Domethylhydantoins、Several hydantoin derivatives are found in various consumer items、hair sprays、cosmetics、acne medications、and photographic film. Several amino acids are produced commercially from hydantoins.、Hydantoins、Hydantoin epoxy-resins are used in ... industry when weather resistance、high temperature resistance、good color、or high filler loading is required.。
5,5-二甲基乙内酰脲（CAS 77-71-4）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 77-71-4 |
|---|---|
| PubChem CID | 6491 |
| Molecular formula | C5H8N2O2 |
| IUPAC name | 5,5-dimethylimidazolidine-2,4-dione |
| UNII (FDA) | 34032MQ9RO |
| Molecular Weight | 128.13 |
|---|---|
| XLogP3 | -0.3 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 128.058577502 |
| Monoisotopic Mass | 128.058577502 |
| Topological Polar Surface Area | 58.2 |
| Heavy Atom Count | 9 |
| Melting Point | 178 °C |
|---|---|
| Vapor Pressure | 0.0000028 [mmHg] |
| LogP | log Kow = -0.48 |
| LogP | -0.48 |
| Dissociation Constants | pKa = 9.19 |
| Formulations/Preparations | Reagent grade: 97% |
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
| 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) |
| 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.
5,5-Dimethylhydantoin · CAS 77-71-4 · C5H8N2O2. UNII 34032MQ9RO. Melting Point: 178 °C; Vapor Pressure: 0.0000028 [mmHg]; LogP: log Kow = -0.48.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Dimethyl Hydantoin