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3,5-??????? ?

3,5-??????? ?
3,5-??????? ? ??? ???
?? ??:
609-99-4
???:
3,5-??????? ?
???(??):
3,5-??????????;3,5-????????;3,5-??????????(3,5-DINITROSALICYLICACID)
???:
3,5-Dinitrosalicylic acid
???(??):
3,5-dinitrosalicylic;3,5-DINITRO-2-HYDROXYBENZOIC ACID;2-HYDROXY-3,5-DINITROBENZOIC ACID;NSC 181;RARECHEM AL BE 0171;3,5-Dinitro salicyli;Dinitro salicylic ac;LABOTEST-BB LT00060163;5-Dinitrosalicylic acid;3,5-Dinitrosalicyls?ure
CBNumber:
CB9172047
???:
C7H4N2O7
??? ??:
228.12
MOL ??:
609-99-4.mol
MSDS ??:
SDS

3,5-??????? ? ??

???
168-172 °C (lit.)
?? ?
369.91°C (rough estimate)
??
1.7914 (rough estimate)
?? ??
400kg/m3
???
1.5300 (estimate)
?? ??
room temp
???
H2O: ???50mg/mL
?? ?? (pKa)
1.57±0.10(Predicted)
??? ??
??
??
???
pH ??
1.3-1.8 (10g/L @ 20°C)
??????(pH)
1.3-1.8 (20°C, 10g/L in H2O)
???
??
BRN
2220661
???
????. ????, ???, ??? ???? ????.
LogP
0.12 at 23℃ and pH2.6-2.8
CAS ??????
609-99-4(CAS DataBase Reference)
NIST
3,5-Dinitrosalicylic acid(609-99-4)
EPA
Benzoic acid, 2-hydroxy-3,5-dinitro- (609-99-4)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xn,Xi
?? ???? ?? 22-37/38-36/37/38
????? 22-24/25-36-26
????(UN No.) 2811
WGK ?? 3
RTECS ?? VO2965000
?? ?? ?? Irritant
TSCA Yes
?? ?? 6.1(b)
???? III
HS ?? 29182990
???? ?? KE-20466
????(GHS): GHS hazard pictogramsGHS hazard pictograms
?? ?: Danger
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H228 ??? ?? ??? ?? ?? 1
?? 2		 ??
??		 GHS hazard pictograms P210, P240,P241, P280, P370+P378
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? GHS hazard pictograms P264, P270, P301+P312, P330, P501
??????:
P210 ?·???·??·????? ????? - ?? ???.
P240 ??? ????? ?? ? ??????.
P241 ?? ??? ??[???/??/??/...]?(?) ?????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P301+P312 ??? ???? ??? ????(??)? ??? ????.
NFPA 704
1
2 0

3,5-??????? ? MSDS


3,5-Dinitrosalicylic acid

3,5-??????? ? C??? ??, ??, ??

??? ??

solid

??

3,5-Dinitrosalicylic acid is a salicylic acid derivative used in colorimeteric determination of reducing sugars.

??

ChEBI: A monohydroxybenzoic acid consisting of 2-hydroxybenzoic acid having nitro substituents at the 3- and 5-positions. It is used in colorimetric testing for the presence of free carbonyl groups (C2O) in reducing sugars.

Purification Methods

Crystallise the acid from H2O. [Beilstein 10 IV 270.]

3,5-??????? ? ?? ?? ? ???

???

Nitrification Benzoic acid, 2-iodo-3,5-dinitro- 3,5-???????? Benzoic acid, 2-fluoro-3,5-dinitro- 5-?????? 2-???-3,5-???????

?? ??

3,5-????????

3,5-??????? ? ?? ??

???( 439)?? ??
??? ?? ??? ?? ?? ? ??
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3,5-??????? ? ?? ??:

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