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2,4-????????? ?

2,4-????????? ?
2,4-????????? ? ??? ???
?? ??:
89-86-1
???:
2,4-????????? ?
???(??):
2,4-??????????;2,4-??????????
???:
2,4-Dihydroxybenzoic acid
???(??):
2,4-Dhba;2,4-Dihydrox;BETA-RESORCYLIC ACID;2,4-Dihydroxybenzoesure;4-Dihydroxybenzoic acid;Sodium aminosalicylate Impurity 3;2,4-Dihydroxybenzoic Acid, ≥ 98.0%;2,4-DIHYDROXYBENZOIC ACID / BETA-RESORCYLIC ACID;BRA;Coupler 320
CBNumber:
CB4467889
???:
C7H6O4
??? ??:
154.12
MOL ??:
89-86-1.mol
MSDS ??:
SDS

2,4-????????? ? ??

???
208-211 °C (dec.) (lit.)
?? ?
237.46°C (rough estimate)
??
1.3725 (rough estimate)
???
0Pa at 25℃
???
1.6710 (estimate)
FEMA
3798 | 2,4-DIHYDROXYBENZOIC ACID
???
200 °C
?? ??
Inert atmosphere,Room Temperature
???
8g/L
??? ??
??? ??
?? ?? (pKa)
3.11, 8.55, 14.0(at 25℃)
??
????? ?? ???? ?? ???
??
100.00?%. ?? ???
???? ??
synthetic
???
8g/L(20℃)
Merck
14,8157
JECFA Number
908
BRN
1946213
??? ?? ??
?? ???? - ???
?? ???? - ??
InChI
1S/C7H6O4/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3,8-9H,(H,10,11)
InChIKey
UIAFKZKHHVMJGS-UHFFFAOYSA-N
SMILES
OC(=O)c1ccc(O)cc1O
LogP
0.98 at 23℃ and pH3.5
CAS ??????
89-86-1(CAS DataBase Reference)
NIST
2,4-Dihydroxybenzoic acid(89-86-1)
EPA
2,4-Resorcylic acid (89-86-1)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26-36-37/39
WGK ?? 1
RTECS ?? VH3708050
TSCA TSCA listed
HS ?? 29182990
???? ??? 11 - Combustible Solids
Hazard Classifications Skin Sens. 1
???? ?? 97-3-15
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P280 ????/???/???/?????? ?????.
P304+P340 ???? ??? ??? ?? ??? ??? ???? ?? ??? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P405 ???? ?????.
NFPA 704
1
2 0

2,4-????????? ? MSDS


beta-Resorcylic acid

2,4-????????? ? C??? ??, ??, ??

??? ??

cream to slightly beige or pink crystalline powder

??

Reported present in avocados, beer, red wine, roast coffee, sherry, smoked sausage and white wine

??

2,4-Dihydroxybenzoic acid is used in Intermediates, Plasticizers, Plastic and Rubber Products, a organic building block.

?? ??

Prepared from resorcinol and potassium bicarbonate in glycerol or water by heating and passing carbon dioxide through the mixture.

Purification Methods

Crystallise the acid from water. [Beilstein 10 IV 1420.]

2,4-????????? ? ?? ?? ? ???

???

?? ??


2,4-????????? ? ?? ??

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