CAS Number591-28-6
Synonyms4-thiouracyl; 4-Thioxo-3,4-dihydro-1H-pyrimidin-2-on; Uracil,4-thio; 4-Thioxo-1H-pyrimidin-2-one; MFCD00090842; 2-Hydroxypyrimidine-4(1H)-thione; 4-Thiouracil; 2(1H)-Pyrimidinone,3,4-dihydro-4-thioxo; 4-thiourcil; 4-Thioxo-3,4-dihydro-2(1H)-pyrimidinone; KC 135; 4-Thioxo-3,4-dihydropyrimidin-2(1H)-one; 4-thioxo-3,4-dihydro-1H-pyrimidin-2-one
Molecular FormulaC4H4N2OS
Molecular Weight128.15
Purity97%
Density1.5±0.1 g/cm3
Boiling Point388.0±34.0 °C at 760 mmHg
Melting Point295 °C (dec.) (lit.)
Appearancepowder
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 591-28-6 |
| Catalog No. | 2A-9006131 |
| Chinese Name | 4-硫脲嘧啶 |
| Synonyms | 4-thiouracyl; 4-Thioxo-3,4-dihydro-1H-pyrimidin-2-on; Uracil,4-thio; 4-Thioxo-1H-pyrimidin-2-one; MFCD00090842; 2-Hydroxypyrimidine-4(1H)-thione; 4-Thiouracil; 2(1H)-Pyrimidinone,3,4-dihydro-4-thioxo; 4-thiourcil; 4-Thioxo-3,4-dihydro-2(1H)-pyrimidinone; KC 135; 4-Thioxo-3,4-dihydropyrimidin-2(1H)-one; 4-thioxo-3,4-dihydro-1H-pyrimidin-2-one |
| Molecular Formula | C4H4N2OS |
| Molecular Weight | 128.15 |
| Purity | 97 |
| Density | 1.5±0.1 g/cm3 |
| Boiling Point | 388.0±34.0 °C at 760 mmHg |
| Melting Point | 295 °C (dec.) (lit.) |
| Appearance | powder |
| Water Solubility | Soluble in: dimethylformamide |
| Storage Condition | Room Temperature |
| HTC | 2933599090 |
| PubChem ID | 24867621 |
| MDL Number | MFCD00090842 |
| SMILES | Oc1nccc(S)n1 |
| InChI | 1S/C4H4N2OS/c7-4-5-2-1-3(8)6-4/h1-2H,(H2,5,6,7,8) |
| InChI Key | OVONXEQGWXGFJD-UHFFFAOYSA-N |
| NACRES Code | NA.22 |
| UNSPSC | 12352100 |
| Hazard Symbols | Transport |
| Risk Codes | R20/21/22 |
| Safety Description | S36 |
| MSDS | msds/6131_1_591_28_6.pdf |
| Tax Rebate | 13.0% |
| Supervision | None. MFN tariff: 6.5%. Ordinary tariff: 20.0% |
| Transport Info | Shipping Name: UN |
| MSDS Transport Info | Module 14. Shipping information 14.1 UN dangerous goods number European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.2 United Nations shipping name European Land Transport Dangerous Regulations: Non-dangerous goods IMDG Code: Non-dangerous goods International air transport dangerous goods regulations: non-dangerous goods 14.3 Transport hazard categories European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.4 Package group European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.5 Environmental hazards European Land Transport Danger Regulations: No International Maritime Danger Regulations International Air Transport Danger Regulations: No Marine pollutants (yes/no): No 14.6 Special reminder to users No data available |
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