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O-???

O-???
O-??? ??? ???
?? ??:
148-53-8
???:
O-???
???(??):
O-???;3-??????????
???:
3-Methoxysalicylaldehyde
???(??):
2-HYDROXY-3-METHOXYBENZALDEHYDE;O-VANILLIN;O-VANILLIN (2-HYDROXY-3-METHOXYBENZALDEHYDE);Benzaldehyde, 2-hydroxy-3-methoxy-;2-VANILLIN;Ortho vanillin;NC 005;NSC 2150;o-Vanilin;o-Vanilline
CBNumber:
CB7690237
???:
C8H8O3
??? ??:
152.15
MOL ??:
148-53-8.mol
MSDS ??:
SDS

O-??? ??

???
40-42 °C (lit.)
?? ?
265-266 °C (lit.)
??
1.2143 (rough estimate)
???
1.4945 (estimate)
???
>230 °F
?? ??
Store below +30°C.
???
?????(???? ??), ???(?? ???)
?? ?? (pKa)
pK1:7.912 (25°C)
??? ??
??? ??
??
?? ????? ????
???
?? ???
??
Air Sensitive
BRN
471913
???
???
LogP
1.370
CAS ??????
148-53-8(CAS DataBase Reference)
NIST
Benzaldehyde, 2-hydroxy-3-methoxy-(148-53-8)
EPA
Benzaldehyde, 2-hydroxy-3-methoxy- (148-53-8)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xn,Xi
?? ???? ?? 22-36/37/38
????? 23-36-24/25-36/37/39-27-26
WGK ?? 3
RTECS ?? CU6530000
F ?????? 10-23
TSCA Yes
HS ?? 29124900
???? ?? KE-20613
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
??????:
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P280 ????/???/???/?????? ?????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P337+P313 ?? ?? ??? ???? ???? ??· ??? ????.
NFPA 704
0
2 0

O-??? MSDS


3-Methoxysalicylaldehyde

O-??? C??? ??, ??, ??

??? ??

Pale yellow to brown low melting solid

??

A positional isomer of Vanillin. o-Vanillin is a more potent antioxidant than Vanillin.

??

ChEBI: A member of the class of benzaldehydes that is salicylaldehyde substituted by a methoxy group at position 3.

???

ortho-Vanillin is harmful if ingested, irritating to eyes, skin and respiratory system, but has an unmistakable high LD50 of 1330 mg/kg in mice.

O-??? ?? ?? ? ???

???

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O-??? ?? ??

???( 512)?? ??
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O-??? ?? ??:

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