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2-Methyl-3-nitrobenzoic acid

2-Methyl-3-nitrobenzoic acid ??? ???
?? ??:
1975-50-4
???:
2-Methyl-3-nitrobenzoic acid
???(??):
AKOS BB-9542;3-Nitro-2-Toluic Acid;3-NITRO-O-TOLUIC ACID;o-Toluic acid, 3-nitro-;Lenalidomide Impurity 26;Lenalidomide Impurity 42;3-nitro-2-Methyl benzoate;2-methyl-3-nitro-benzoicaci;2-methyl-3-nitrobenzic acid;3-NITRO-2-METHYLBENZOIC ACID
CBNumber:
CB9371639
???:
C8H7NO4
??? ??:
181.15
MOL ??:
1975-50-4.mol
MSDS ??:
SDS

2-Methyl-3-nitrobenzoic acid ??

???
182-184 °C (lit.)
?? ?
314.24°C (rough estimate)
??
1.4283 (rough estimate)
???
1.5468 (estimate)
?? ??
Sealed in dry,Room Temperature
??? ??
powder to crystal
?? ?? (pKa)
3.03±0.20(Predicted)
??
White to Light red to Green
???
22&C?? <0.1g/100mL
BRN
2050096
InChIKey
YPQAFWHSMWWPLX-UHFFFAOYSA-N
CAS ??????
1975-50-4(CAS DataBase Reference)
EPA
2-Methyl-3-nitrobenzoic acid (1975-50-4)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi,Xn
?? ???? ?? 36/37/38-20/21/22
????? 26-36-36/37/39-22
WGK ?? 3
?? ?? ?? Irritant
TSCA Yes
HS ?? 29163900
????(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 ??·?·??·???·??·...·????? ??? ????.
P304+P340 ???? ??? ??? ?? ??? ??? ???? ?? ??? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P405 ???? ?????.
NFPA 704
1
2 0

2-Methyl-3-nitrobenzoic acid MSDS


2-Methyl-3-nitrobenzoic acid

2-Methyl-3-nitrobenzoic acid C??? ??, ??, ??

??? ??

white crystal powder

??

2-Methyl-3-nitrobenzoic acid was used as starting reagent in the synthesis of methyl 2-methyl-3-nitrobenzoate and 2,3-unsubstituted indoles.

?? ??

Fine needles or light beige powder.

??? ?? ??

Insoluble in water.

?? ???

2-Methyl-3-nitrobenzoic acid is a nitrated carboxylic acid. Carboxylic acids donate hydrogen ions if a base is present to accept them. They react in this way with all bases, both organic (for example, the amines) and inorganic. Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. Neutralization between an acid and a base produces water plus a salt. Carboxylic acids with six or fewer carbon atoms are freely or moderately soluble in water; those with more than six carbons are slightly soluble in water. Soluble carboxylic acid dissociate to an extent in water to yield hydrogen ions. The pH of solutions of carboxylic acids is therefore less than 7.0. Many insoluble carboxylic acids react rapidly with aqueous solutions containing a chemical base and dissolve as the neutralization generates a soluble salt. Carboxylic acids in aqueous solution and liquid or molten carboxylic acids can react with active metals to form gaseous hydrogen and a metal salt. Such reactions occur in principle for solid carboxylic acids as well, but are slow if the solid acid remains dry.

????

Flash point data for 2-Methyl-3-nitrobenzoic acid is not available. 2-Methyl-3-nitrobenzoic acid is probably combustible.

2-Methyl-3-nitrobenzoic acid ?? ?? ? ???

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2-Methyl-3-nitrobenzoic acid ?? ??

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2-Methyl-3-nitrobenzoic acid ?? ??:

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