ChemicalBook >> CAS DataBase List >>Dimethyldimethoxysilane
Dimethyldimethoxysilane
- CAS No.
- 1112-39-6
- Chemical Name:
- Dimethyldimethoxysilane
- Synonyms
- Silane, dimethoxydimethyl-;DIMETHOXYDIMETHYLSILANE;DMDMS;DMDMOS;dimethoxydimethyl-silan;kbm22;KBM 22;Z-6194;CD5605;tsl8117
- CBNumber:
- CB3275414
- Molecular Formula:
- C4H12O2Si
- Molecular Weight:
- 120.22
- MDL Number:
- MFCD00025691
- MOL File:
- 1112-39-6.mol
- MSDS File:
- SDS
Last updated:2026-01-13 11:19:10
| Product description | Number | Pack Size | Price |
| Dimethoxydimethylsilane 95% | 104906 | 500ml | $142 |
| Dimethoxydimethylsilane 95% | 104906 | 1l | $188 |
| Dimethoxydimethylsilane >98.0%(GC) | D1052 | 25mL | $25 |
| Dimethoxydimethylsilane >98.0%(GC) | D1052 | 500mL | $76 |
| Dimethoxydimethylsilane ≥99.5%, 99.999% metals basis | 556688 | 25ml | $142 |
| More product size | |||
| Melting point | -80°C |
|---|---|
| Boiling point | 81.4 °C(lit.) |
| Density | 0.88 g/mL at 25 °C(lit.) |
| vapor pressure | 7-12790Pa at 20-25℃ |
| refractive index |
n |
| Flash point | 50 °F |
| storage temp. | Store below +30°C. |
| form | liquid |
| Specific Gravity | 0.88 |
| color | Colorless to Almost colorless |
| Viscosity | 0.5mm2/s |
| Water Solubility | decomposes |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 1733694 |
| Dielectric constant | 3.6600000000000001 |
| InChI | 1S/C4H12O2Si/c1-5-7(3,4)6-2/h1-4H3 |
| InChIKey | JJQZDUKDJDQPMQ-UHFFFAOYSA-N |
| SMILES | CO[Si](C)(C)OC |
| LogP | -0.74-2 at 20℃ |
| CAS DataBase Reference | 1112-39-6(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | A3QDB1RS1C |
| NIST Chemistry Reference | Silane, dimethoxydimethyl-(1112-39-6) |
| EPA Substance Registry System | Silane, dimethoxydimethyl- (1112-39-6) |
| UNSPSC Code | 12352103 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS02 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H225 | |||||||||
| Precautionary statements | P210 | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | F,Xi | |||||||||
| Risk Statements | 11-36-36/37/38 | |||||||||
| Safety Statements | 16-26-33-36-37/39 | |||||||||
| RIDADR | UN 1993 3/PG 2 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | VV3641666 | |||||||||
| F | 10-21 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29319090 | |||||||||
| Storage Class | 3 - Flammable liquids | |||||||||
| Hazard Classifications | Flam. Liq. 2 | |||||||||
| Toxicity | LC inhalation in rat: > 21350mg/m3/4 | |||||||||
| Limited Quantities | 1.0 L (0.3 gallon) (liquid) | |||||||||
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) | |||||||||
| NFPA 704 |
|
Dimethyldimethoxysilane price More Price(18)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 104906 | Dimethoxydimethylsilane 95% | 1112-39-6 | 500ml | $142 | 2025-07-31 | Buy |
| Sigma-Aldrich | 104906 | Dimethoxydimethylsilane 95% | 1112-39-6 | 1l | $188 | 2025-07-31 | Buy |
| TCI Chemical | D1052 | Dimethoxydimethylsilane >98.0%(GC) | 1112-39-6 | 25mL | $25 | 2025-07-31 | Buy |
| TCI Chemical | D1052 | Dimethoxydimethylsilane >98.0%(GC) | 1112-39-6 | 500mL | $76 | 2025-07-31 | Buy |
| Sigma-Aldrich | 556688 | Dimethoxydimethylsilane ≥99.5%, 99.999% metals basis | 1112-39-6 | 25ml | $142 | 2025-07-31 | Buy |
Dimethyldimethoxysilane Chemical Properties,Uses,Production
Description
Dimethyldimethoxysilane is a monomeric alkylalkoxysilane. It hydrolyzes in contact with water, releasing methanol, to form highly reactive silanols, which further condense to form oligomeric and polymeric siloxanes.
Dimethyldimethoxysilane is mainly used in these aspects:
- In the synthesis of chemical intermediates.
- As an additive for the production of silicone resins.
- In the hydrophobization of surfaces, like glass, pigments etc.
Chemical Properties
Colorless clear liquid
Uses
Dimethoxydimethylsilane (DMDMS) can be used:
- To synthesize various macroporous silica aerogels.
- In the preparation of hollow silica nanoparticles loaded with phthalocyanine for near-infrared photodynamic and photothermal combination therapy.
- To synthesize dielectric silicone elastomer with high dielectric permittivity.
Uses
It is employed as silylating agent for diols. Used as a monomer (building block) in the production of silicone polymers or silicone resins, as an intermediate (starting material) in the production of other organosilicon substances. Also employed in non-metal surface treatment to enhance the adhesion properties of surfaces. Used in sealants, in silicone polymer preparations (for the production of elastomers), in mould-making, in semiconductor manufacture, as a laboratory chemical in research and development activities.
Flammability and Explosibility
Highly flammable
Toxics Screening Level
The Initial Threshold Screening Level (ITSL) for dimethoxydimethylsilane is 90 μg/m3 with annual averaging time.
Dimethyldimethoxysilane Preparation Products And Raw materials
Raw materials
methoxydimethyl(prop-2-en-1-yl)silane
Silane, bis(ethylthio)dimethyl-
Hexamethylcyclotrisiloxane
1,2-DIMETHOXY-1,1,2,2-TETRAMETHYLDISILANE
VINYL(CHLOROMETHYL)DIMETHYLSILANE
1of3
Preparation Products
1of2
Global( 388)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Yanxi Chemical Co., Ltd. | +8618531123677 | faithe@yan-xi.com | China | 5853 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-13131129325 | sales1@chuanghaibio.com | China | 5242 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615531151365 | mina@chuanghaibio.com | China | 18126 | 58 |
| Hebei Zhuanglai Chemical Trading Co.,Ltd | +8613343047651 | admin@zlchemi.com | China | 3692 | 58 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-2158073036 | info@dakenam.com | China | 13799 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21597 | 55 |
| Shanghai Time Chemicals CO., Ltd. | +86-021-57951555 +8617317452075 | jack.li@time-chemicals.com | China | 1803 | 55 |
| ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 | ivan@atkchemical.com | China | 33024 | 60 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418679 +8618949832763 | info@tnjchem.com | China | 2988 | 55 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29831 | 58 |
View Lastest Price from Dimethyldimethoxysilane manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-06-27 | Dimethyldimethoxysilane
1112-39-6
|
US $30.00-10.00 / KG | 50KG | 99% | 500000kg | Hebei Chuanghai Biotechnology Co., Ltd | |
 |
2025-06-20 | Dimethyldimethoxysilane
1112-39-6
|
US $30.00-10.00 / kg | 1kg | 0.99 | 20 tons | Hebei Yanxi Chemical Co., Ltd. | |
 |
2025-05-26 | Dimethyldimethoxysilane
1112-39-6
|
US $5.00-2.00 / KG | 1KG | 99% | 10000kg | Hebei Chuanghai Biotechnology Co,.LTD |
-
- Dimethyldimethoxysilane
1112-39-6
- US $30.00-10.00 / KG
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd
-
- Dimethyldimethoxysilane
1112-39-6
- US $30.00-10.00 / kg
- 0.99
- Hebei Yanxi Chemical Co., Ltd.
-
- Dimethyldimethoxysilane
1112-39-6
- US $5.00-2.00 / KG
- 99%
- Hebei Chuanghai Biotechnology Co,.LTD
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Dimthyldimethoxysilane
Factory Supply Hot Sale High Quality Dimethyldimethoxysilane CAS 1112-39-6
dimethoxydimethyl-silan
DIMETHOXYDIMETHYLSILANE
Silane, dimethoxydimethyl-
DMDMS
DMDMOS
Dimethyldimethoxysilane Synonyms: Dimethoxydimethylsilane
Dimethyl di Methoxy group silane
Dimethoxydimethylsilane, ≥ 97.0%
High Purity Dimethyldimethoxysilane
CD5605
Dimethyldimethoxysilane IOTA 1801
dimethyldimethoxysiliconalkane
1112-39-6
1112-16-7
SiOCH32CH32
CH32SiCH3O2
C4H12O2Si
Si-O Compounds
Silane Coupling Agents (Intermediates)
Si (Classes of Silicon Compounds)
Silane Coupling Agents
Dialkoxysilanes
Organometallic Reagents
Others
Organosilicon
Di-Alkoxy Silanes
Silane Coupling Agents/Adhesion Promoters
Dialkoxysilanes
Functional Materials
Si (Classes of Silicon Compounds)
Silane Coupling Agents
Silane Coupling Agents (Intermediates)
Si-O Compounds
Alkoxy Silanes
Crosslinkers
Crosslinking Agents
