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4253-34-3
???:
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???(??):
??????????;??????????(METHYLTRIACETOXYSILANE);???????? ???????;???????????;???????????? ???????;??, ?????????-;??????, ??-???????;???????????;??????
???:
Methyltriacetoxysilane
???(??):
MTAS;KH-310;Triacetoxy(methyl)si;LABOTEST-BB LT01406986;apk1(silanederivative);k10s;silanetriol,;Triacetoxy(methyL;METHYLTRIACETOXYSILANE;methyltriacetoxy-silan
CBNumber:
CB0122458
???:
C7H12O6Si
??? ??:
220.25
MOL ??:
4253-34-3.mol
MSDS ??:
SDS

?????????? ??

???
40-45 °C(lit.)
?? ?
94-95 °C9 mm Hg(lit.)
??
1.20 g/mL at 20 °C(lit.)
???
0.053-26Pa at 20-25℃
???
1.52-1.522
???
185 °F
???
???? ???
??? ??
??
??? ??
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Specific Gravity
1.175
??
White or Colorless to Almost white or Almost colorless
??
Acrid odor
???
1000g/L at 20℃
Hydrolytic Sensitivity
7: reacts slowly with moisture/water
??
Moisture Sensitive
BRN
1788668
InChIKey
TVJPBVNWVPUZBM-UHFFFAOYSA-N
LogP
-2.4 at 20℃
CAS ??????
4253-34-3(CAS DataBase Reference)
NIST
Methyltriacetoxysilane(4253-34-3)
EPA
Silanetriol, 1-methyl-, 1,1,1-triacetate (4253-34-3)
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  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26-36
????(UN No.) UN1759
WGK ?? 2
RTECS ?? VV4500000
F ?????? 9-21
TSCA Yes
?? ?? 8
???? III
HS ?? 29319090
???? ?? KE-25331
????(GHS): GHS hazard pictogramsGHS hazard pictograms
?? ?: Danger
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? GHS hazard pictograms P264, P270, P301+P312, P330, P501
H314 ??? ?? ??? ?? ??? ??? ????? ?? ????? ?? 1A, B, C ?? GHS hazard pictograms P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
??????:
P260 ??·?·??·???·??·...·????? ???? ???.
P280 ????/???/???/?????? ?????.
P301+P330+P331 ???? ?? ?????. ??? ?? ?? ???.
P303+P361+P353 ??(?? ????)? ??? ??? ?? ??? ??? ????? ??? ?? ????/?????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
NFPA 704
1
3 0

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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.

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Methyltriacetoxysilane is used as a silane coupling agent.

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