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5-???????

5-???????
5-??????? ??? ???
?? ??:
13110-96-8
???:
5-???????
???(??):
5-???????
???:
5-ACETYLSALICYLIC ACID
???(??):
Aspirin Impurity 12;Brivudine Impurity 34;5-ACETYLSALICYLIC ACID;5-Acetylsalicylic Acid >5-acetyl-2-hydroxybenzoate;5-Acetylsalicylic acid, 98+%;5-ACETYL-2-HYDROXYBENZOIC ACID;2-Hydroxy-5-acetylbenzoic acid;Acetylsalicylic Acid Impurity 22;Benzoic acid, 5-acetyl-2-hydroxy-
CBNumber:
CB1387577
???:
C9H8O4
??? ??:
180.16
MOL ??:
13110-96-8.mol

5-??????? ??

???
214-216°C
?? ?
413.0±35.0 °C(Predicted)
??
1.365±0.06 g/cm3(Predicted)
???
250°C
?? ??
2-8°C
???
DMSO? ???
??? ??
powder to crystalline
?? ?? (pKa)
2.62±0.10(Predicted)
??
???? ?? ???
??
Moisture Sensitive
BRN
2096968
CAS ??????
13110-96-8(CAS DataBase Reference)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xn
?? ???? ?? 22
????? 22
HS ?? 2918.29.7500
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P280 ????/???/???/?????? ?????.
P304+P340 ???? ??? ??? ?? ??? ??? ???? ?? ??? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P405 ???? ?????.
NFPA 704
1
2 0

5-??????? C??? ??, ??, ??

?? ??

Obtained by Fries rearrangement of 2-(acetyloxy)-benzoic acid (Aspirin) (1 mol) in the presence of aluminium chloride (3.3 mol),
? in nitrobenzene at r.t. for 1 h (36%) ;
? without solvent at 120–125° for 1 h (19%).

Synthesis Reference(s)

Journal of Medicinal Chemistry, 23, p. 738, 1980 DOI: 10.1021/jm00181a008

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