3-Thiophenemalonic acid
Synonym(s):α-Carboxythiophene-3-acetic acid;(3-Thienyl)malonic acid
- CAS NO.：21080-92-2
- Empirical Formula: C7H6O4S
- Molecular Weight: 186.19
- MDL number: MFCD00005469
- EINECS: 244-198-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-08 10:32:36
What is 3-Thiophenemalonic acid?
Chemical properties
white to light yellow crystal powder
The Uses of 3-Thiophenemalonic acid
3-Thiophenemalonic Acid (Ticarcillin EP Impurity C) is an intermediate used to synthesize temocillin. It is also used to prepare malonate-based inhibitors of mammalian serine racemase.
Properties of 3-Thiophenemalonic acid
| Melting point: | 139 °C (dec.) (lit.) |
| Boiling point: | 290.67°C (rough estimate) |
| Density | 1.5439 (rough estimate) |
| refractive index | 1.5500 (estimate) |
| form | powder to crystal |
| pka | 2.73±0.10(Predicted) |
| color | White to Orange to Green |
| BRN | 6503620 |
| CAS DataBase Reference | 21080-92-2(CAS DataBase Reference) |
| EPA Substance Registry System | Propanedioic acid, 3-thienyl- (21080-92-2) |
Safety information for 3-Thiophenemalonic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3-Thiophenemalonic acid
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