3-Isothioureidopropionic acid
- CAS NO.：5398-29-8
- Empirical Formula: C4H8N2O2S
- Molecular Weight: 148.18
- MDL number: MFCD00020520
- EINECS: 226-430-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:27:33
What is 3-Isothioureidopropionic acid ?
The Uses of 3-Isothioureidopropionic acid
3-Isothioureidopropionic acid can be used as brightener for nickel plating, improve the covering ability of low current area in nickel electroplating, and impurity tolerance agent. It can improve the ability of deep plating in low area and has the effect of anti-impurity, but the larger amount will lead to loss of light.
Flammability and Explosibility
Non flammable
Properties of 3-Isothioureidopropionic acid
| Melting point: | 183-184 °C |
| Boiling point: | 323.4±44.0 °C(Predicted) |
| Density | 1.49±0.1 g/cm3(Predicted) |
| vapor pressure | 0.0±1.5 mmHg at 25°C |
| refractive index | 1.607 |
| Flash point: | 149.4±28.4 °C |
| storage temp. | Sealed in dry, Room Temperature |
| form | Powder |
| pka | 3.98±0.10(Predicted) |
| color | White |
| Water Solubility | 12.01g/L at 20℃ |
| EPA Substance Registry System | 3-(Aminoiminomethyl)thiopropanoic acid (5398-29-8) |
Safety information for 3-Isothioureidopropionic acid
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H317:Sensitisation, Skin H412:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 3-Isothioureidopropionic acid
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