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DIMETHYLKETENE METHYL TRIMETHYLSILYL ACETAL

CAS No.
31469-15-5
Chemical Name:
DIMETHYLKETENE METHYL TRIMETHYLSILYL ACETAL
Synonyms
MTDA;((1-Methoxy-2-Methylprop-1-en-1-yl)oxy)triMethylsilane;1-Methoxy-1-tri;DIMETHYLKETENE METHYL;organosilicon monomer;1-METHOXY-2-METHYL-1-TRIMETHYL-;1-METHOXY-1-TRIMETHYLSILOXY-2-METHYLPROPENE;METHYL TRIMETHYLSILYL DIMETHYLKETENE ACETAL;DIMETHYLKETENE METHYL TRIMETHYLSILYL ACETAL;1-methoxy-2-methyl-1-trimethylsiloxypropane
CBNumber:
CB7339664
Molecular Formula:
C8H18O2Si
Molecular Weight:
174.31
MDL Number:
MFCD00010232
MOL File:
31469-15-5.mol
MSDS File:
SDS
Last updated:2023-04-23 13:52:06

DIMETHYLKETENE METHYL TRIMETHYLSILYL ACETAL Properties

Boiling point 35 °C15 mm Hg(lit.)
Density 0.858 g/mL at 25 °C(lit.)
refractive index n20/D 1.415(lit.)
Flash point 58 °F
storage temp. Inert atmosphere,Room Temperature
solubility freely sol organic solvents.
form clear liquid
color Colorless to Almost colorless
Specific Gravity 0.858
Water Solubility Hydrolyzes in water.
Hydrolytic Sensitivity 8: reacts rapidly with moisture, water, protic solvents
Sensitive Moisture Sensitive
BRN 1362893
Stability Moisture and Acid Sensitive
CAS DataBase Reference 31469-15-5(CAS DataBase Reference)
EPA Substance Registry System Silane, [(1-methoxy-2-methyl-1-propenyl)oxy]trimethyl- (31469-15-5)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS02,GHS07
Signal word  Warning
Hazard statements  H226-H315-H319-H335
Precautionary statements  P210-P302+P352-P305+P351+P338
Hazard Codes  Xi
Risk Statements  10-36/37/38
Safety Statements  16-26-36
RIDADR  UN 3271 3/PG 3
WGK Germany  3
10-21
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29319090
NFPA 704
2
2 0

DIMETHYLKETENE METHYL TRIMETHYLSILYL ACETAL price More Price(22)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 274585 Methyl trimethylsilyl dimethylketene acetal 95% 31469-15-5 5g $61.2 2024-03-01 Buy
Sigma-Aldrich 274585 Methyl trimethylsilyl dimethylketene acetal 95% 31469-15-5 25g $112.4 2024-03-01 Buy
TCI Chemical D1789 Dimethylketene Methyl Trimethylsilyl Acetal >95.0%(GC) 31469-15-5 5mL $55 2024-03-01 Buy
TCI Chemical D1789 Dimethylketene Methyl Trimethylsilyl Acetal >95.0%(GC) 31469-15-5 25mL $161 2024-03-01 Buy
Alfa Aesar L06931 1-Methoxy-2-methyl-1-(trimethylsiloxy)propene, 97% 31469-15-5 5g $68.65 2024-03-01 Buy
Product number Packaging Price Buy
274585 5g $61.2 Buy
274585 25g $112.4 Buy
D1789 5mL $55 Buy
D1789 25mL $161 Buy
L06931 5g $68.65 Buy

DIMETHYLKETENE METHYL TRIMETHYLSILYL ACETAL Chemical Properties,Uses,Production

Chemical Properties

Clear colorless liquid

Physical properties

bp 35 °C/15 mmHg; d 0.858 g cm?3.

Uses

1-Methoxy-2-methyl-1-(trimethylsilyloxy) propene is widely used as functional equivalent of enolate of methyl isobutyrate; ester enolate surrogate in electrophilic reactions including alkylation, aldol reaction, Michael reaction, initiator for group transfer polymerization of acrylates, nitroarylation, oxidation, dimerization, and cycloadditions.

Uses

1-Methoxy-2-methyl-1-(trimethylsiloxy)propene is used in the synthesis of chiral β-lactams by reacting with (S)-alkylidene(1-arylethyl)amines in the presence of titanium tetrachloride. It acts as a catalyst or initiator in the group-transfer polymerization. It is also used as a versatile reagent in conjugate addition4 and aldol reactions.

Preparation

The title compound is a prototypical ketene silyl acetal (KSA) that can been prepared by either of the two most commonly employed methods: (a) deprotonation of the |á-hydrogen of an ester followed by silylation (1),16 and (b) metal-catalyzed hydrosilylation of |á,|?-unsaturated esters(2).

31469-15-5 synthesis

Purification Methods

Add Et2O, wash with cold H2O, dry (Na2SO4), filter, evaporate Et2O, and distil the oily residue in a vacuum. [Ainsworth et al. J Organometal Chem 46 59 1972.]

DIMETHYLKETENE METHYL TRIMETHYLSILYL ACETAL Preparation Products And Raw materials

Global( 169)Suppliers
Supplier Tel Email Country ProdList Advantage
Shanghai Daken Advanced Materials Co.,Ltd
+86-371-66670886 info@dakenam.com China 15932 58
ATK CHEMICAL COMPANY LIMITED
+undefined-21-51877795 ivan@atkchemical.com China 32480 60
Xi'an Kono chem co., Ltd.,
029-86107037 13289246953 info@konochemical.com China 2995 58
Chongqing Chemdad Co., Ltd
+86-023-61398051 +8613650506873 sales@chemdad.com China 39916 58
career henan chemical co
+86-0371-86658258 15093356674; factory@coreychem.com China 29826 58
Hubei Co-Formula Material Tech Co., Ltd.
+86-27-84459282 sales@cfmats.com CHINA 882 58
Fuxin Pharmaceutical
+86-021-021-50872116 +8613122107989 contact@fuxinpharm.com China 10297 58
Hefei TNJ Chemical Industry Co.,Ltd.
0551-65418671 sales@tnjchem.com China 34572 58
WinWin Chemical CO., Limited
+86-0577-64498589 +8615325081899 sales@win-winchemical.com China 13854 58
Dayang Chem (Hangzhou) Co.,Ltd.
571-88938639 +8617705817739 info@dycnchem.com CHINA 52867 58

View Lastest Price from DIMETHYLKETENE METHYL TRIMETHYLSILYL ACETAL manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
DIMETHYLKETENE METHYL  pictures 2020-01-10 DIMETHYLKETENE METHYL
31469-15-5
US $7.00 / KG 1KG 99% 100KG Career Henan Chemical Co
[(1-METHOXY-2-METHYL-1-PROPENYL)OXY]TRIMETHYLSILANE 1-METHOXY-2-METHYL-1-(TRIMETHYLSILOXY)PROPENE DIMETHYLKETENE METHYL TRIMETHYLSILYL ACETAL METHYL TRIMETHYLSILYL DIMETHYLKETENE ACETAL Silane,[(1-methoxy-2-methyl-1-propen-1-yl)oxy]trimethyl- 1-Methoxy-1-trimethylsiloxy-2-methyl-1-propene~Methyl trimethylsilyl dimethylketene acetal~MTDA 1-METHOXY-2-METHYL-1-TRIMETHYL- 1-METHOXY-1-(TRIMETHYLSILOXY)-2-METHYL-1-PROPENE 1-METHOXY-1-TRIMETHYLSILOXY-2-METHYLPROPENE Silane, ((1-methoxy-2-methyl-1-propenyl)oxy)trimethyl- Methyl Trimethylsiliyl dimethyl ketene acetal 1-methoxy-2-methyl-1-trimethylsiloxypropane (1-Methoxy-2-methyl-1-propenyloxy)trimethylsilane, MTDA (1-Methoxy-2-methyl-1-propenyloxy)trimethylsilane, 1-Methoxy-2-methyl-1-(trimethylsiloxy)propene, MTDA (1-Methoxy-2-methyl-1-propenyl)(trimethylsilyl) ether (Trimethylsilyl)(1-methoxy-2-methyl-1-propenyl) ether 1-[(Trimethylsilyl)oxy]-1-methoxy-2-methyl-1-propene 2-Methyl-1-(trimethylsiloxy)-1-methoxy-1-propene 1-Methoxy-1-(triMethylsilyloxy)-2-Methyl-1-propene (1-Methoxy-2-Methylprop-1-enyloxy)triMethylsilane 1-Methoxy-1-tri Methyl triMethylsilyl diMethylketene acetal 95% (1-methoxy-2-methylprop-1-enoxy)-trimethylsilane DIMETHYLKETENE METHYL organosilicon monomer DimethylketeneMethylTrimethylsilylAcetal> 1-Methoxy-2-methyl-1-(trimethylsilyloxy)propene ((1-Methoxy-2-Methylprop-1-en-1-yl)oxy)triMethylsilane MTDA 31469-15-5 CH32CCOCH3OSiCH33 Building Blocks Oxygen Compounds Acetals/Ketals/Ortho Esters Enol Ethers Organic Building Blocks Si-O Compounds Silicon Compounds (for Synthesis) Vinylsilanes, Allylsilanes Monoalkoxysilanes Si (Classes of Silicon Compounds) Monoalkoxysilanes Si (Classes of Silicon Compounds) Silicon Compounds (for Synthesis) Si-O Compounds Synthetic Organic Chemistry Vinylsilanes, Allylsilanes