Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Product Overview
Dimethyldimethoxysilane (CAS 1112-39-6) is a common organosilicon compound. It is a colorless transparent liquid with mild characteristic odor. Featuring high reactivity, good hydrolysis resistance and excellent compatibility, it is widely used in silicone materials, coating additives, coupling agents and organic synthesis fields. Produced via professional synthesis and precision purification processes, the product has high purity, low impurities and stable batch quality. For legitimate industrial production, formulation and scientific research only.
Product Features
- High Purity: ≥99.0% (GC), meets industrial grade and research grade standards.
- High Activity: Easy to undergo hydrolysis and condensation reactions, ideal for silicone synthesis.
- Good Compatibility: Compatible with various resins, solvents and inorganic fillers.
- Strict Quality Control: Each batch is fully tested; standard COA and MSDS are available upon request.
Physical & Chemical Properties
Physical Properties
- Appearance: Colorless transparent liquid
- Odor: Mild characteristic odor
- Molecular Formula: C4H12O2Si
- Molecular Weight: 120.22
- Melting Point: -76 °C
- Boiling Point: 81 – 83 °C
- Density: 0.875 g/mL (20 °C)
- Refractive Index: 1.369 (20 °C)
- Flash Point: -2 °C
- Solubility: Reacts slowly with water; miscible with ethanol, ether, benzene and other organic solvents
- Hygroscopicity: Moisture sensitive
Chemical Properties
- Chemical Stability: Stable under sealed and dry conditions; hydrolyzes gradually when exposed to moisture.
- Chemical Reactivity: Methoxy groups can hydrolyze and condense to form silicone polymers.
- Acid-Base Character: Neutral in conventional environment.
- Incompatibility: Keep away from water, moisture, strong acids, strong alkalis and open flame.
Applications
- Organosilicon Industry: Key monomer for synthesizing silicone oil, silicone rubber and silicone resin.
- Coating Industry: Adhesion promoter and crosslinking agent for paint and coating systems.
- Chemical Additives: Silane coupling agent for surface modification of inorganic materials.
- Organic Synthesis: Intermediate for preparing various functional organosilicon derivatives.
- Laboratory Research: Common reagent for organosilicon chemistry experiments.
Usage Restriction: For industrial synthesis and scientific research use only. Strictly forbidden for illegal processing and improper application.
Storage & Transportation Instructions
Storage Conditions
Store in a cool, dry, dark and well-ventilated warehouse. Keep containers tightly sealed to isolate moisture. Store separately from acids, alkalis and combustible substances. Keep far from heat sources and open flame. Recommended storage temperature: 10 – 25 °C. Reseal containers immediately after opening.
Transportation Requirements
This product is classified as flammable liquid. Adopt sealed and anti-collision packaging. Avoid violent collision, extrusion, high temperature and rain soaking during transit. Do not transport together with food, feed and corrosive substances.
Operation Notes
Wear chemical-resistant gloves, safety goggles and gas mask. Operate in a well-ventilated fume hood. Avoid inhalation of vapor and direct contact with skin and eyes. Rinse thoroughly with plenty of clean water in case of contact. Do not eat, drink or smoke in the working area.
Regulatory Information
EINECS Number: 214-189-4
HS Code: 2931900090
Complies with international organosilicon chemical standards. Export products follow IATA and IMDG provisions. All transactions are limited to qualified silicone factories, coating enterprises and research institutions.
Full Product Parameter Table
| Item | Specification & Details |
| Product Name | Dimethyldimethoxysilane |
| CAS NO. | 1112-39-6 |
| IUPAC Name | Dimethyldimethoxysilane |
| Synonyms | DMDMS; Dimethyl dimethoxy silane |
| Molecular Formula | C4H12O2Si |
| Molecular Weight | 120.22 |
| EINECS Number | 214-189-4 |
| UN Number | UN 1993 |
| Hazard Class | Flammable Liquid, Irritant |
| Appearance | Colorless transparent liquid |
| Purity | ≥99.0% (GC) |
| Water Content | ≤0.1% |
| Melting Point | -76 °C |
| Boiling Point | 81 – 83 °C |
| Density | 0.875 g/mL (20 °C) |
| Refractive Index | 1.369 (20 °C) |
| Flash Point | -2 °C |
| Solubility | Reacts with water; miscible with ethanol, ether, benzene |
| HS Code | 2931900090 |
| Storage Temperature | 10 – 25 °C, sealed, dry environment |
| Packing Specification | 25kg/plastic drum, 180kg/iron drum |
| Grade Standard | Industrial Grade / Research Grade |
| Application Scope | Silicone monomer, coating crosslinking agent, silane coupling agent, organic synthesis |
| Validity Period | 24 Months under specified storage conditions |
