3-Mercaptopropylmethyldimethoxysilane
Synonym(s):Dimethoxy-(3-mercaptopropyl)methylsilane
- CAS NO.：31001-77-1
- Empirical Formula: C6H16O2SSi
- Molecular Weight: 180.34
- MDL number: MFCD00053923
- EINECS: 250-426-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:17:11
What is 3-Mercaptopropylmethyldimethoxysilane?
Chemical properties
Clear to straw liquid with unpleasant odor of sulfide.
The Uses of 3-Mercaptopropylmethyldimethoxysilane
3-Mercaptopropylmethyldimethoxysilane can be used to prepare UV laminated adhesive.
The Uses of 3-Mercaptopropylmethyldimethoxysilane
(3-Mercaptopropyl)methyldimethoxysilane (MPMDMS) can be used as a silane precursor in the synthesis of:
- Nafion-MPMDMS nanocomposite membranes by sol-gel method.
- MPMDMS functionalized magnetic- polysilsesquioxane (PSSQ) nanoparticles applicable for heavy metal ions adsorption.
- Thiol-organosilica nanoparticles.
Flammability and Explosibility
Not classified
Properties of 3-Mercaptopropylmethyldimethoxysilane
| Boiling point: | 96 °C/30 mmHg (lit.) |
| Density | 1 g/mL at 25 °C (lit.) |
| vapor pressure | 23-12790Pa at 20-25℃ |
| refractive index | n |
| Flash point: | 199°F |
| form | Liquid |
| pka | 10.40±0.10(Predicted) |
| Specific Gravity | 1.0 |
| color | Colorless |
| Water Solubility | Insoluble in water. |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 2424867 |
| CAS DataBase Reference | 31001-77-1(CAS DataBase Reference) |
| EPA Substance Registry System | 1-Propanethiol, 3-(dimethoxymethylsilyl)- (31001-77-1) |
Safety information for 3-Mercaptopropylmethyldimethoxysilane
| 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-Mercaptopropylmethyldimethoxysilane
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