Basic information
- Name:
4-Imidazolidinone,2-thioxo-
- Superlist Name:
- 2-Thiohydantoin
- CAS No.:
503-87-7
- Molecular Structure:
- Formula:
- C3H4 N2 O S
- Synonyms:
- Hydantoin,2-thio- (6CI,7CI,8CI); 2-Thiohydantoin; 2-Thioxo-4-imidazolidinone;4-Oxo-2-thioxoimidazolidine; Imidazolidin-4-one-2-thione; NSC 11772;Thiohydantoin
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Chemistry
IUPAC Name: 2-Thiohydantoin
The MF of 2-Thiohydantoin (503-87-7) is C3H4N2OS.
The MW of 2-Thiohydantoin (503-87-7) is 116.14.
Synonyms of 2-Thiohydantoin (503-87-7): 2-Thioguidanthion ; 2-Thioxo-4-imidazolidinone ; 4-Imidazolidinone, 2-thioxo- ; Hydantoin, 2-thio-
Product Categories: Ring Systems;Building Blocks;Heterocyclic Building Blocks;Imidazolines/Imidazolidines
Form: brown crystalline powder
Index of Refraction: 1.655
Melting Point: 229-231 °C
vapor density: 4 (vs air)
Density: 1.49 g/ml
EINECS: 207-977-4
Toxicity Data With Reference
| 1. | orl-rat LD50:420 mg/kg | BJPCAL British Journal of Pharmacology and Chemotherapy. 13 (1958),350. | ||
| 2. | orl-mus LD50:417 mg/kg | KHFZAN Khimiko-Farmatsevticheskii Zhurnal. Chemical Pharmaceutical Journal. 24 (4)(1990),32. | ||
| 3. | ipr-mus LD50:100 mg/kg | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD277-689 . |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Poison by intraperitoneal route. Moderately toxic by ingestion. When heated to decomposition it emits very toxic fumes of NOx and SOx.
Safety information of 2-Thiohydantoin (503-87-7):
Hazard Codes 
Xn
Risk Statements
20/21/22 Harmful by inhalation, in contact with skin and if swallowed
Safety Statements
36 Wear suitable protective clothing
WGK Germany 3
RTECS MU4200000
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