-
Name
2-Thiohydantoin
- EINECS 207-977-4
- CAS No. 503-87-7
- Article Data38
- CAS DataBase
- Density 1.49g/cm3
- Solubility
- Melting Point 229-231 ºC
- Formula C3H4 N2 O S
- Boiling Point °Cat760mmHg
- Molecular Weight 116.144
- Flash Point °C
- Transport Information
- Appearance BROWN CRYSTALLINE POWDER
- Safety Poison by intraperitoneal route. Moderately toxic by ingestion. When heated to decomposition it emits very toxic fumes of NOx and SOx.
- Risk Codes R22
-
Molecular Structure
-
Hazard Symbols
- 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
- PSA 73.22000
- LogP -0.35170
2-THIOHYDANTOIN Chemical Properties
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
2-THIOHYDANTOIN 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 . |
2-THIOHYDANTOIN Consensus Reports
Reported in EPA TSCA Inventory.
2-THIOHYDANTOIN 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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