A7708912
2-Thiobarbituric acid , 98% , 504-17-6
Synonym(s):
4,6-Dihydroxy-2-mercaptopyrimidine;4,6-Dihydroxypyrimidine-2-thiol;TBA
CAS NO.：504-17-6
Empirical Formula: C4H4N2O2S
Molecular Weight: 144.15
MDL number: MFCD00006674
EINECS: 207-985-8
| Pack Size | Price | Stock | Quantity |
| 5G | RMB23.20 | In Stock |
|
| 25G | RMB33.60 | In Stock |
|
| 100G | RMB61.60 | In Stock |
|
| 250g | RMB143.20 | In Stock |
|
| 500G | RMB247.20 | In Stock |
|
| 2.5kg | RMB1132.00 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 245 °C (dec.)(lit.) |
| Density | 1.451 (estimate) |
| refractive index | 1.7690 (estimate) |
| storage temp. | Inert atmosphere,2-8°C |
| solubility | 50g/l slightly soluble |
| form | Liquid |
| pka | 3.96±0.20(Predicted) |
| color | Clear colorless |
| PH | 1.7-1.9 (10g/l, H2O, 20℃) |
| Water Solubility | <6 g/L (20 ºC) |
| BRN | 120663 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| InChIKey | RVBUGGBMJDPOST-UHFFFAOYSA-N |
| CAS DataBase Reference | 504-17-6(CAS DataBase Reference) |
| NIST Chemistry Reference | 4,6(1H,5h)-pyrimidinedione, dihydro-2-thioxo-(504-17-6) |
| EPA Substance Registry System | 4,6(1H,5H)-Pyrimidinedione, dihydro-2-thioxo- (504-17-6) |
Description and Uses
4,6-Dihydroxy-2-mercaptopyrimidine can be used to quantitate lipopolysaccharides, carrageenan, and sialic acids, and to detect lipid hydroperoxides and lipid oxidation.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 22-24/25-37/39-26 |
| RIDADR | UN 3335 |
| WGK Germany | 2 |
| RTECS | CQ7700000 |
| F | 13-23 |
| TSCA | Yes |
| HS Code | 29335995 |
