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Methyltriacetoxysilane

Methyltriacetoxysilane structure

CAS No:
4253-34-3
Formula:
C7H12O6Si
Chemical Name:
Methyltriacetoxysilane
Synonyms:
Silanetriol,1-methyl-,1,1,1-triacetate;Silanetriol,methyl-,triacetate;Triacetoxymethylsilane;Methylsilanetriol triacetate;Methyltrihydroxysilane triacetate;Methyltriacetoxysilane;K 10S;APK 1;TSL 8180;APK 1 (silane derivative);NSC 139845;SIM 6519.0;SIM 6519;ZH 1103;CG 100;CG 100 (coupling agent);Nethyltriacetoxysilane;[Diacetyloxy(methyl)silyl] acetate;ES 15
Categories:
Chemical Reagents > Organic Reagents

Description

Methyltriacetoxysilane (MTAC) is a clear to yellowish liquid with acrid odor of acetic acid (vinegar). It hydrolyzes in the presence of moisture (acetic acid is released) to form silanols, which can react with themselves to pro-duce siloxanes or bind to inorganic substrates.

Liquid

Methyltriacetoxysilane Basic Attributes

Molecular Weight：

220.25

Exact Mass：

220.25

BRN：

1788668

EC Number：

224-221-9

NSC Number：

139845

DSSTox ID：

DTXSID0027565

HScode：

2931900090

Characteristics

PSA：

78.9

XLogP3：

1.37

Appearance：

Liquid

Density：

1.175 g/cm³

Melting Point：

40.5 °C

Boiling Point：

87-88 °C @ Press: 3 Torr

Flash Point：

185 °F

Refractive Index：

1.424

Safety Information

Packing level：

III

Hazard category：

Transport codes：

UN1759

wgk germany：

hazard class code：

36/37/38

safety instructions：

26-36

RTECS Number：

VV4500000

Marks：

Precautionary statement(s)：

P261-P305 + P351 + P338

Hazard Statements：

H315-H319-H335

GHS Classification：

|Danger|H302 (74.5%): Harmful if swallowed [Warning Acute toxicity, oral]|P260, P261, P264, P270, P271, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P330, P332+P313, P337+P313, P362, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 554 companies from 20 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H302: Harmful if swallowed [Warning Acute toxicity, oral]|P260, P264, P270, P280, P301+P312, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P309+P311, P310, P321, P330, P363, P405, and P501

Methyltriacetoxysilane Use and Manufacturing

Uses

Used as synthetic rubber inhibitor and additive

Adhesives and sealant chemicals

Adhesives and sealants

Production

10,000,000 - 50,000,000 lb

Manufacturing Info：

Adhesive manufacturing|Silanetriol, 1-methyl-, 1,1,1-triacetate: ACTIVE

Computed Properties

Molecular Weight:220.25
Hydrogen Bond Acceptor Count:6
Rotatable Bond Count:6
Exact Mass:220.04031463
Monoisotopic Mass:220.04031463
Topological Polar Surface Area:78.9
Heavy Atom Count:14
Complexity:220
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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