Sodium 3-mercaptopropanesulphonate
Synonym(s):3-Mercapto-1-propanesulfonic acid sodium salt;MPS
- CAS NO.：17636-10-1
- Empirical Formula: C3H9NaO3S2
- Molecular Weight: 180.21
- MDL number: MFCD00043148
- EINECS: 241-620-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-08 10:32:36
What is Sodium 3-mercaptopropanesulphonate?
Chemical properties
WHITE POWDER
The Uses of Sodium 3-mercaptopropanesulphonate
Sodium 3-?Mercapto-?1-?propanesulfonate (>90%) is a reagent used in the synthesis of polyelectrolytes which are important in many biological functions and technical applications.
General Description
Sodium 3-mercapto-1-propanesulfonate forms self assembled monolayer via chemisorption on a gold-coated substrate.
Properties of Sodium 3-mercaptopropanesulphonate
| Melting point: | ~220 °C (dec.) (lit.) |
| Density | 1.59[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| Flash point: | 71 °C |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | water: soluble50mg/mL, colorless |
| form | Solid |
| color | White to Off-White |
| Water Solubility | 1000g/L at 25℃ |
| BRN | 5362242 |
| Stability: | Hygroscopic |
| CAS DataBase Reference | 17636-10-1(CAS DataBase Reference) |
| EPA Substance Registry System | 1-Propanesulfonic acid, 3-mercapto-, monosodium salt (17636-10-1) |
Safety information for Sodium 3-mercaptopropanesulphonate
| 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 Sodium 3-mercaptopropanesulphonate
| InChIKey | FRTIVUOKBXDGPD-UHFFFAOYSA-M |
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