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Cas Database |
| Name |
5-(2-Methylthioethyl)hydantoin |
EINECS | 236-238-9 |
| CAS No. | 13253-44-6 | Density | 1.228g/cm3 |
| PSA | 83.50000 | LogP | 0.60510 |
| Solubility | N/A | Melting Point |
108°C |
| Formula | C6H10 N2 O2 S | Boiling Point | °Cat760mmHg |
| Molecular Weight | 174.224 | Flash Point | °C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Low toxicity by ingestion and skin contact. When heated to decomposition it emits toxic vapors of NOx and SOx. | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | Low toxicity by ingestion and skin contact. |
| Synonyms |
Hydantoin,5-[2-(methylthio)ethyl]- (6CI,7CI,8CI); (?à)-5-[2-(Methylthio)ethyl]hydantoin; 5-(b-Methylmercaptoethyl)hydantoin;5-[2-(Methylthio)ethyl]hydantoin; 5-[b-(Methylthio)ethyl]hydantoin; DL-5-(b-Methylmercaptoethyl)hydantoin;DL-5-[2-(Methylthio)ethyl]hydantoin; Methionine hydantoin |
Article Data | 29 |
5-(2-Methylthioethyl)hydantoin Synthetic route
- 17773-41-0
2-hydroxy-4-(methylthio)butyronitrile
- 13253-44-6
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
| Conditions | Yield |
|---|---|
| In water at 80℃; for 2h; | 99% |
- 773837-37-9
sodium cyanide
- 42919-64-2
4-(methylthio)butanal
- 124-38-9
carbon dioxide
- 13253-44-6
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
| Conditions | Yield |
|---|---|
| With ammonia under 15001.5 Torr; for 0.266667h; Pressure; Time; Concentration; | 94.65% |
- 74-93-1
methylthiol
- 5809-59-6
3-cyano-3-hydroxy-1-propene
A
- 13253-44-6
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
B
- 55064-40-9
2-[(aminocarbonyl)amino]-4-(methylthio)butanoamide
| Conditions | Yield |
|---|---|
| With ammonium carbonate In methanol at 80℃; for 1.5h; | A 85% B 12% |
- 17773-41-0
2-hydroxy-4-(methylthio)butyronitrile
A
- 89033-45-4
hydantoin amide
B
- 13253-44-6
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
| Conditions | Yield |
|---|---|
| With ammonium carbonate; ammonium bicarbonate In water at 105℃; for 0.583333h; Reagent/catalyst; Autoclave; | A 17.9% B 74.9% |
A
- 13253-44-6
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
B
- 59-51-8
DL-methionine
C
- 19298-72-7
DL-methionine amide
| Conditions | Yield |
|---|---|
| Stage #1: With carbon dioxide In water at 60℃; under 112511 Torr; Stage #2: With ammonia In water at 250℃; Stage #3: titanium(IV) oxide at 180℃; | A n/a B 63% C n/a |
- 59-51-8
DL-methionine
- 13253-44-6
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
| Conditions | Yield |
|---|---|
| With hydrogenchloride |
- 17773-41-0
2-hydroxy-4-(methylthio)butyronitrile
- 506-87-6
ammonium carbonate
- 13253-44-6
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
- 74-90-8
hydrogen cyanide
- 3268-49-3
3-(methylsulfenyl)propanal
- 124-38-9
carbon dioxide
- 13253-44-6
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
| Conditions | Yield |
|---|---|
| With ammonia; water at 105 - 130℃; Industrial scale; |
- 74-90-8
hydrogen cyanide
- 3268-49-3
3-(methylsulfenyl)propanal
- 506-87-6
ammonium carbonate
- 13253-44-6
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
| Conditions | Yield |
|---|---|
| In water at 110℃; for 1h; |
- 74-93-1
methylthiol
- 74-90-8
hydrogen cyanide
- 124-38-9
carbon dioxide
- 107-02-8
acrolein
- 13253-44-6
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
| Conditions | Yield |
|---|---|
| With ammonia In methanol at 80℃; for 1.5h; |
5-(2-Methylthioethyl)hydantoin Chemical Properties
Product Name: Methionine hydantoin (CAS NO.13253-44-6)
Molecular Formula: C6H10N2O2S
Molecular Weight: 174.22g/mol
Mol File: 13253-44-6.mol
Einecs: 236-238-9
Melting Point: 108°C
Density: 1.228 g/cm3
Surface Tension: 40.5 dyne/cm
XLogP3-AA: 0
H-Bond Donor: 2
H-Bond Acceptor: 2
5-(2-Methylthioethyl)hydantoin Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rabbit | LD50 | skin | > 5gm/kg (5000mg/kg) | National Technical Information Service. Vol. OTS0545910, | |
| rat | LDLo | oral | 5gm/kg (5000mg/kg) | SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: ATAXIA | National Technical Information Service. Vol. OTS0545910, |
5-(2-Methylthioethyl)hydantoin Safety Profile
Low toxicity by ingestion and skin contact. When heated to decomposition it emits toxic vapors of NOx and SOx.
Safety Information of Methionine hydantoin (CAS NO.13253-44-6):
Safety Statements: 22-24/25
22: Do not breathe dust
24: Avoid contact with skin
25: Avoid contact with eyes
5-(2-Methylthioethyl)hydantoin Specification
Methionine hydantoin ,its CAS NO. is 13253-44-6,the synonyms is 5-(2-(Methylthio)ethyl)-4-imidazolidinedione ; 5-(2-(Methylthio)ethyl)-hydantoi ; 5-(Beta-(methylthio)ethyl)hydantoin ; 5-(Beta-methylmercaptoethyl)hydantoin ; 5-[2-(Methylthio)ethyl]-4-imidazolidinedione ; Cp93520 ; Dl-5-(2-(methylthio)ethyl)hydantoin .
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