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| CAS No.: | 2055-46-1 |
|---|---|
| Name: | 3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL |
| Article Data: | 29 |
| Molecular Structure: | |
|
|
|
| Formula: | C4H8 N2 S |
| Molecular Weight: | 116.187 |
| Synonyms: | 1,3-Diazinane-2-thione;1,4,5,6-Tetrahydro-2-pyrimidinethiol; 2-Mercapto-1,4,5,6-tetrahydropyrimidine;2-Mercapto-3,4,5,6-tetrahydropyrimidine; 2-Mercaptotetrahydropyrimidine;3,4,5,6-Tetrahydro-1H-pyrimidine-2-thione;3,4,5,6-Tetrahydro-2(1H)-pyrimidinethione;3,4,5,6-Tetrahydro-2-mercaptopyrimidine; 3,4,5,6-Tetrahydro-2-pyrimidinethiol;Cyclic propylene thiourea; Hexahydropyrimidine-2-thione;N,N'-Trimethylenethiourea; NSC 21316; Perhydropyrimidine-2-thione;Tetrahydropyrimidine-2-thione; Thiourea, N,N'-1,3-propanediyl-;Trimethylenethiourea |
| EINECS: | 218-152-3 |
| Density: | 1.2 g/cm3 |
| Melting Point: | 210-212 °C(lit.) |
| Boiling Point: | 171.6 °C at 760 mmHg |
| Flash Point: | 57.6 °C |
| Appearance: | WHITE POWDER, CRYSTALS, CRYSTALLINE POWDER AND/OR CHUNKS |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | Moderately toxic by intraperitoneal route. When heated to decomposition it emits very toxic fumes of NOx and SOx. |
| PSA: | 56.15000 |
| LogP: | 0.51180 |
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Chemistry
Chemistry informtion about 3,4,5,6-Tetrahydro-2-Pyrimidinethiol (CAS NO.2055-46-1) is:
IUPAC Name: 1,3-Diazinane-2-Thione
Synonyms: 2-(1h)-Tetrahydropyrimidinethione ; 3,4,5,6-Tetrahydro-2-Pyrimidinethiol ; Hexahydropyrimidine-2-Thione ; Ptu ; Propylene Thiourea ; 1,3-Propylenethiourea ; 1,4,5,6-Tetrahydro-2-Pyrimidinethiol ; 2-Mercapto-1,4,5,6-Tetrahydropyrimidine
Product Categories: Building Blocks ; Heterocyclic Building Blocks ; Pyrimidines
MF: C4H8N2S
MW: 116.18
EINECS: 218-152-3
Density: 1.2 g/cm3
Melting Point: 210-212 °C(lit.)
Flash Point: 57.6 °C
Boiling Point: 171.6 °C at 760 mmHg
Vapour Pressure: 1.38 mmHg at 25°C
Enthalpy of Vaporization: 40.8 kJ/mol
Following is the molecular structure of 3,4,5,6-Tetrahydro-2-Pyrimidinethiol (CAS NO.2055-46-1) is:
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 560mg/kg (560mg/kg) | behavioral: somnolence (general depressed activity) lungs, thorax, or respiration: respiratory stimulation | Journal of Medicinal Chemistry. Vol. 11, Pg. 214, 1968. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Moderately toxic by intraperitoneal route. When heated to decomposition it emits very toxic fumes of NOx and SOx.
Hazard Codes:
Xi
Risk Statements:
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements:
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
WGK Germany: 3
RTECS: UW5782000
Hazard Note: Irritant