Home Categories Chemical Reagents Dimethoxydimethylsilane
A3199012

Dimethoxydimethylsilane , 97% , 1112-39-6

Synonym(s):
Dimethyldimethoxysilane;DMDMS

CAS NO.:1112-39-6

Empirical Formula: C4H12O2Si

Molecular Weight: 120.22

MDL number: MFCD00025691

EINECS: 214-189-4

Pack Size Price Stock Quantity
25ML RMB36.80 In Stock
100ML RMB80.80 In Stock
500ML RMB240.00 In Stock
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Update time: 2022-07-08

PRODUCT Properties

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  n20/D 1.369(lit.)
Flash point: 50 °F
storage temp.  Store below +30°C.
form  liquid
Specific Gravity 0.88
color  Colorless to Almost colorless
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)
NIST Chemistry Reference Silane, dimethoxydimethyl-(1112-39-6)
EPA Substance Registry System Silane, dimethoxydimethyl- (1112-39-6)

Description and 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.

Safety

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
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)

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