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| Name |
6-Methyl-2-thiouracil |
EINECS | N/A |
| CAS No. | Density | N/A | |
| PSA | N/A | LogP | N/A |
| Solubility | N/A | Melting Point |
N/A |
| Formula | N/A | Boiling Point | N/A |
| Molecular Weight | N/A | Flash Point | N/A |
| Transport Information | N/A | Appearance | N/A |
| Safety | Risk Codes | N/A | |
| Molecular Structure |
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Hazard Symbols | N/A |
| Synonyms |
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6-Methyl-2-thiouracil Chemical Properties
MF: C5H6N2OS
MW: 142.18
EINECS: 200-252-3
Density: 1.36 g/cm3
Flash Point: 160.8 °C
Index of Refraction: 1.638
Water Solubility: Insoluble
Melting Point: ~330 °C (dec.)(lit.)
Enthalpy of Vaporization: 60.93 kJ/mol
Boiling Point: 342.3 °C at 760 mmHg
Vapour Pressure: 3.83E-05 mmHg at 25°C
IUPAC Name: 6-methyl-2-sulfanylidene-1H-pyrimidin-4-one
Chemical Properties: White crystalline powder with an odor of onions and a bitter taste
Stability: Stability Incompatible with strong oxidizing agents, iodine, metals.
Synonyms: Labotest-BB LT00848091 ; Aurora KA-4696 ; Methiocil ; Methylthiouracil ; 2-Thio-6-methyluracil ; 4-Oxo-2-mercapto-6-methylpyrimidine ; 4-Hydroxy-2-mercapto-6-methylpyrimidine ; 4-Hydroxy-6-methyl-2-thiopyrimidine
Following is the molecular structure of 6-Methyl-2-thiouracil (CAS NO.56-4-2):
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6-Methyl-2-thiouracil Uses
6-Methyl-2-thiouracil (CAS NO.56-4-2) is used in the treatment of hyperthyroidism.
6-Methyl-2-thiouracil Production
Reactivity Profile: Methylthiouracil reacts with strong oxidizing agents. Forms complexes with metals and is oxidized by iodine and other sulfhydryl oxidizing agents .
6-Methyl-2-thiouracil Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 200mg/kg (200mg/kg) | National Technical Information Service. Vol. AD277-689, | |
| mouse | LD50 | oral | 2125mg/kg (2125mg/kg) | Pharmaceutical Chemistry Journal Vol. 30, Pg. 320, 1996. | |
| rabbit | LDLo | oral | 2500mg/kg (2500mg/kg) | "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals", 11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989Vol. 11, Pg. 963, 1989. | |
| rat | LD50 | intraperitoneal | 920mg/kg (920mg/kg) | LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | Farmaco, Edizione Scientifica. Vol. 13, Pg. 882, 1958. |
| rat | LD50 | oral | 1500mg/kg (1500mg/kg) | Nature. Vol. 157, Pg. 659, 1946. |
6-Methyl-2-thiouracil Safety Profile
Safety Information of 6-Methyl-2-thiouracil (CAS NO.56-4-2):
Hazard Codes: Xn
Xi
Risk Statements: 22-40
R22:Harmful if swallowed.
R40:Limited evidence of a carcinogenic effect.
Safety Statements: 36/37-45
S36/37:Wear suitable protective clothing and gloves.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
WGK Germany: 3
RTECS: YR0875000
HS Code: 29335995
Hazard Note: Irritant/Possible Carcinogen