2-Methyl-3-nitrobenzoic Acid supplier

Name
2-Methyl-3-nitrobenzoic acid
EINECS 217-826-4
CAS No. 1975-50-4
Article Data23
CAS DataBase
Density 1.392 g/cm³
Solubility water: <0.1 g/100 mL at 22 °C
Melting Point 182-184 °C(lit.)
Formula C₈H₇NO₄
Boiling Point 337.1 °C at 760 mmHg
Molecular Weight 181.148
Flash Point 151.9 °C
Transport Information
Appearance white crystal powder
Safety 26-36-36/37/39-22
Risk Codes 36/37/38-20/21/22
Molecular Structure
Hazard Symbols Xi,Xn
Synonyms o-Toluicacid, 3-nitro- (6CI,7CI,8CI);3-Nitro-2-methylbenzoic acid;3-Nitro-o-toluic acid;
PSA 83.12000
LogP 2.12460

Synthetic route

: 83-41-0
2,3-dimethylnitrobenzene

: 1975-50-4
2-methyl-3-nitrobenzic acid

Conditions

Conditions	Yield
With dihydrogen peroxide; cobalt(II) acetate; manganese(II) acetate; hexanoic acid at 60℃; for 12h; Temperature; Reagent/catalyst;	87%
(i) Br2, KOH, (ii) (hydrolysis); Multistep reaction;
Multi-step reaction with 3 steps 1: H2SO4, CrO3 2: H2SO4 3: KMnO4, NaHCO3 View Scheme
With nitric acid at 125℃; for 1h; Temperature; High pressure;
With oxygen; cobalt(II) acetate; manganese(II) acetate; acetic acid; sodium bromide In water at 133 - 136℃; under 7500.75 - 11251.1 Torr; for 7.5h; Reagent/catalyst; Temperature; Pressure;	32 g

: 59382-59-1
2-methyl-3-nitro-benzoic acid methyl ester

: 459-57-4
4-fluorobenzaldehyde

A: 917614-64-3
2-[trans-2-(4-fluorophenyl)-vinyl]-3-nitrobenzoic acid

B: 1975-50-4
2-methyl-3-nitrobenzic acid

Conditions

Conditions	Yield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dimethyl sulfoxide at 20 - 50℃; for 12.5h;	A 84% B n/a

...Expand

: 118-90-1
ortho-methylbenzoic acid

A: 1975-50-4
2-methyl-3-nitrobenzic acid

B: 1975-52-6
5-nitro-o-toluic acid

Conditions

Conditions	Yield
With nitric acid at 0℃;
With nitric acid
With nitric acid

: 89-71-4
2-Methyl-benzoic acid methyl ester

A: 1975-50-4
2-methyl-3-nitrobenzic acid

B: 77324-87-9
methyl 2-methyl-5-nitrobenzoate

Conditions

Conditions	Yield
bei der Nitrierung;

: 71516-35-3
2-methyl-3-nitrobenzonitrile

: 1975-50-4
2-methyl-3-nitrobenzic acid

Conditions

Conditions	Yield
With sulfuric acid at 150℃;

: 83-41-0
2,3-dimethylnitrobenzene

A: 1975-50-4
2-methyl-3-nitrobenzic acid

B: 13506-76-8
2-methyl-6-nitrobenzoic acid

C: 603-11-2
3-nitrophthalic acid

Conditions

Conditions	Yield
With potassium permanganate; cetyltrimethylammonim bromide In water at 75℃; for 4h; Product distribution; effect of the amount of KMnO4; further catalysts;
With potassium permanganate; cetyltrimethylammonim bromide In water at 75℃; for 4h; Yield given. Yields of byproduct given;
With potassium permanganate; tetrabutylammomium bromide In water
With oxygen; nitric acid at 130 - 140℃; under 16501.7 - 18751.9 Torr; for 7h; Temperature; Pressure;

...Expand

: 23876-12-2
3-formyl-2-methyl-1-nitrobenzene

: 1975-50-4
2-methyl-3-nitrobenzic acid

Conditions

Conditions	Yield
With potassium permanganate; sodium hydrogencarbonate

: 529-19-1
2-Methylbenzonitrile

: 1975-50-4
2-methyl-3-nitrobenzic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: alcoholic potash 2: concentrated nitric acid View Scheme

: 95-47-6
o-xylene

: 1975-50-4
2-methyl-3-nitrobenzic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: diluted nitric acid 2: concentrated nitric acid View Scheme
Multi-step reaction with 2 steps 1: nitric acid; sulfuric acid / water / 0.5 h / -10 °C 2: nitric acid / 1 h / 125 °C / High pressure View Scheme

: 619-04-5
3,4-dimethylbenzoic acid

: 1975-50-4
2-methyl-3-nitrobenzic acid

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: bei der Destillation 2: diluted nitric acid 3: concentrated nitric acid View Scheme

: 23876-11-1
2-methyl-3-nitrobenzol-1-methandiol diacetate

: 1975-50-4
2-methyl-3-nitrobenzic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: H2SO4 2: KMnO4, NaHCO3 View Scheme

: 83-41-0
2,3-dimethylnitrobenzene

A: 1975-50-4
2-methyl-3-nitrobenzic acid

B: 23876-13-3
(2-methyl-3-nitrophenyl)methanol

C: 23876-12-2
3-formyl-2-methyl-1-nitrobenzene

Conditions

Conditions	Yield
Stage #1: 2,3-dimethylnitrobenzene With C88H64CrMnN16O; cobalt isooctanoate; oxygen; 4-methyl-2-hydroxy-1(H)-isoindole-1,3-dione at 100℃; under 750.075 Torr; Stage #2: With water at 50℃; under 750.075 Torr;

...Expand

: 83-41-0
2,3-dimethylnitrobenzene

A: 1975-50-4
2-methyl-3-nitrobenzic acid

B: 13506-76-8
2-methyl-6-nitrobenzoic acid

C: 603-11-2
3-nitrophthalic acid

D: C8H7NO5

Conditions

Conditions	Yield
With oxygen; nitric acid at 145 - 150℃; under 26252.6 - 30003 Torr; for 8h; Temperature; Pressure;

...Expand

: 83-41-0
2,3-dimethylnitrobenzene

: 71-36-3
butan-1-ol

A: 59383-02-7
butyl 3-nitro-2-methylbenzoate

B: 1975-50-4
2-methyl-3-nitrobenzic acid

C: 13506-76-8
2-methyl-6-nitrobenzoic acid

Conditions

Conditions	Yield
Stage #1: 2,3-dimethylnitrobenzene With oxygen; nitric acid at 130 - 140℃; under 16501.7 - 18751.9 Torr; for 7h; Stage #2: butan-1-ol With toluene-4-sulfonic acid Reflux;

...Expand

: 59383-02-7
butyl 3-nitro-2-methylbenzoate

: 1975-50-4
2-methyl-3-nitrobenzic acid

Conditions

Conditions	Yield
With sodium hydroxide In water at 100℃;	135 g

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 23876-13-3
(2-methyl-3-nitrophenyl)methanol

Conditions

Conditions	Yield
With borane In tetrahydrofuran	100%
Stage #1: 2-methyl-3-nitrobenzic acid With sodium tetrahydroborate In tetrahydrofuran at 20℃; for 0.5h; Stage #2: With methanesulfonic acid In tetrahydrofuran	84%
Multi-step reaction with 2 steps 1: SOCl2 2: NaBH4 / tetrahydrofuran View Scheme

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 107650-20-4
5-bromo-2-methyl-3-nitro-benzoic acid

Conditions

Conditions	Yield
With 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; sulfuric acid at 20℃; for 5h; Product distribution / selectivity;	100%
Stage #1: 2-methyl-3-nitrobenzic acid With 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; sulfuric acid at 20℃; for 5h; Stage #2: With water Product distribution / selectivity; Cooling;	100%
With 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; sulfuric acid at 0℃; for 5h;	100%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: copper(l) cyanide

: C9H6N2O3

Conditions

Conditions	Yield
Stage #1: copper(l) cyanide With sodium iodide In acetonitrile at 20℃; for 0.0833333h; Inert atmosphere; Stage #2: 2-methyl-3-nitrobenzic acid In acetonitrile at 20℃; for 1h; Inert atmosphere;	100%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 39053-41-3
2-methyl-3-nitrobenzoyl chloride

Conditions

Conditions	Yield
With thionyl chloride at 60℃; for 25.5h; Inert atmosphere;	99%
With thionyl chloride for 6h; Reflux;	99%
With thionyl chloride at 60℃; for 24h;	98%

: 67-56-1
methanol

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 59382-59-1
2-methyl-3-nitro-benzoic acid methyl ester

Conditions

Conditions	Yield
With sulfuric acid for 24h; Inert atmosphere; Reflux;	99%
Stage #1: 2-methyl-3-nitrobenzic acid With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; Stage #2: methanol In dichloromethane for 0.0833333h;	99%
With thionyl chloride for 2h; Reflux;	98%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 52130-17-3
3-amino-2-methylbenzoic acid

Conditions

Conditions	Yield
With hydrogen; palladium on activated charcoal In ethanol at 20℃; Catalytic hydrogenation;	98%
With palladium on activated charcoal; hydrogen In ethyl acetate for 15h;	90%
With ammonium hydroxide; hydrogen sulfide

: 64-17-5
ethanol

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 59382-60-4
ethyl 2-methyl-3-nitrobenzoate

Conditions

Conditions	Yield
With sulfuric acid at 20℃; for 168h;	98%
With thionyl chloride at 0 - 70℃;	79%

: 111-25-1
1-bromo-hexane

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 59383-04-9
hexyl 2-methyl-3-nitrobenzoate

Conditions

Conditions	Yield
With potassium carbonate In acetone for 96h; Reflux;	98%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 77-78-1
dimethyl sulfate

: 59382-59-1
2-methyl-3-nitro-benzoic acid methyl ester

Conditions

Conditions	Yield
Stage #1: 2-methyl-3-nitrobenzic acid With potassium carbonate In acetone at 20℃; for 0.166667h; Stage #2: dimethyl sulfate In acetone for 4h; Reflux;	98%
Stage #1: 2-methyl-3-nitrobenzic acid; dimethyl sulfate In acetone at 25 - 30℃; for 0.166667h; Stage #2: With potassium carbonate In acetone at 25 - 30℃; for 1.5h;	97.53%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 5-iodo-2-methyl-3-nitrobenzoic acid

Conditions

Conditions	Yield
With N-iodo-succinimide; sulfuric acid at 60℃; for 2h;	98%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 106-40-1
4-bromo-aniline

: N-(4-bromophenyl)-2-methyl-3-nitrobenzamide

Conditions

Conditions	Yield
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 3h;	89%

: 811-98-3
d(4)-methanol

: 1975-50-4
2-methyl-3-nitrobenzic acid

: C9H6(2)H3NO4

Conditions

Conditions	Yield
With sulfuric acid for 72h; Heating;	88%

: 24424-99-5
di-tert-butyl dicarbonate

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 143617-89-4
3-<<(1,1-dimethylethoxy)carbonyl>amino>-2-methylbenzoic acid

Conditions

Conditions	Yield
With hydrogen; palladium on activated charcoal In N,N-dimethyl-formamide under 2585.7 Torr; for 2.5h;	86%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 74-88-4
methyl iodide

: 59382-59-1
2-methyl-3-nitro-benzoic acid methyl ester

Conditions

Conditions	Yield
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 60℃; for 24h;	86%
With potassium hydrogencarbonate 1.) DMF, 40 deg C, 2.) DMF, RT, 12 h; Yield given; Multistep reaction;

: 77-48-5
1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 107650-20-4
5-bromo-2-methyl-3-nitro-benzoic acid

Conditions

Conditions	Yield
With sulfuric acid at 20℃; for 5h;	84%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 4637-24-5
N,N-dimethyl-formamide dimethyl acetal

: 73816-11-2
Methyl trans-2-<β-(dimethylamino)vinyl>-3-nitrobenzoate

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 115℃; for 24h;	80%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 57-88-5, 474-77-1, 14868-17-8, 23820-70-4, 34026-89-6, 57759-45-2, 71869-93-7, 121155-47-3, 138456-89-0
(+)-ent-Cholesterol

: C35H51NO4

Conditions

Conditions	Yield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 12h; Inert atmosphere;	80%

: 703-23-1
2'-hydroxy-6'-methoxyacetophenone

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 953129-19-6
6'-methoxy-2'-(2-methyl-3-nitrobenzoyloxy)acetophenone

Conditions

Conditions	Yield
With POCl2 In pyridine at 60 - 70℃; for 3h;	78%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 76-87-9
triphenyltin(IV) hydroxide

: 1320287-24-8
C27H25NO5Sn

Conditions

Conditions	Yield
In methanol for 1h; Reflux;	77.7%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 37517-78-5
magnesium bis(3-ethoxy-3-oxopropanoate)

: 136774-69-1
ethyl 3-(2-methyl-3-nitrophenyl)-3-oxopropionate

Conditions

Conditions	Yield
With 1,1'-carbonyldiimidazole In tetrahydrofuran	76%
With 1,1'-carbonyldiimidazole In tetrahydrofuran

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 141607-18-3
3-amino-2-methylbenzoic acid hydrochloride

Conditions

Conditions	Yield
Stage #1: 2-methyl-3-nitrobenzic acid With hydrogen; sodium hydroxide In water at 150℃; under 76005.1 Torr; for 12h; Stage #2: With hydrogenchloride In water pH=2;	75%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 51842-77-4
2-(4-methoxyphenyl)quinoline-4-carbohydrazide

: 2-(4-methoxyphenyl)-4-(5-(2-methyl-3-nitrophenyl)-1,3,4-oxadiazol-2-yl)quinoline

Conditions

Conditions	Yield
With trichlorophosphate Reflux;	75%

: 10592-27-5
7-azaindoline

: 1975-50-4
2-methyl-3-nitrobenzic acid

: (2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-1-yl)(2-methylnitrophenyl)methanone

Conditions

Conditions	Yield
Stage #1: 2-methyl-3-nitrobenzic acid With N-Bromosuccinimide; triphenylphosphine In dichloromethane at 0℃; for 0.5h; Stage #2: 7-azaindoline With triethylamine In dichloromethane at 20℃; for 1h;	75%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 6638-79-5
N,O-dimethylhydroxylamine*hydrochloride

: 177963-15-4
N-methoxy-N,2-dimethyl-3-nitrobenzamide

Conditions

Conditions	Yield
Stage #1: 2-methyl-3-nitrobenzic acid With N-Bromosuccinimide; triphenylphosphine In dichloromethane at 0℃; for 0.25h; Stage #2: N,O-dimethylhydroxylamine*hydrochloride With triethylamine In dichloromethane at 20℃; for 1h; chemoselective reaction;	74%
Stage #1: 2-methyl-3-nitrobenzic acid With 1,1'-carbonyldiimidazole In dichloromethane at 0 - 20℃; for 2.5h; Stage #2: N,O-dimethylhydroxylamine*hydrochloride In dichloromethane at 0 - 45℃; for 13.5h;	21%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 4-tert-butyl-5-(2,4-dichlorobenzyl)thiazol-2-amine

: N-(4-(tert-butyl)-5-(2,4-dichlorobenzyl)thiazol-2-yl)-2-methyl-3-nitrobenzamide

Conditions

Conditions	Yield
Stage #1: 2-methyl-3-nitrobenzic acid; 4-tert-butyl-5-(2,4-dichlorobenzyl)thiazol-2-amine With dmap In dichloromethane at 20℃; for 0.5h; Stage #2: With dicyclohexyl-carbodiimide In dichloromethane at 20℃;	74%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 6-methyldodec-7-yn-6-yl acetate

: C21H29NO4

Conditions

Conditions	Yield
With [RhCl2(p-cymene)]2; potassium carbonate In ethanol at 50℃; for 48h;	73%

active charcoal: active charcoal

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 168899-58-9
3-acetoxy-2-methylbenzoic acid

Conditions

Conditions	Yield
With sodium hydroxide; sulfuric acid; acetic anhydride; magnesium sulfate; sodium nitrite; palladium-carbon In pyridine; ethanol; ethyl acetate; toluene	72%

: 1975-50-4
2-methyl-3-nitrobenzic acid

: 818-08-6
di(n-butyl)tin oxide

: 1448543-52-9
C64H96N4O18Sn4

Conditions

Conditions	Yield
In ethanol; hexane for 3h; Reflux;	72%

2-Methyl-3-nitrobenzoic Acid Chemical Properties

Product Name: 2-Methyl-3-nitrobenzoic acid
Synonyms: 3-NITRO-O-TOLUIC ACID;3-NITRO-2-METHYLBENZOIC ACID;3-Nitro-2-Toluic Acid;2-METHYL-3-NITROBENZOIC ACID / 3-NITRO-O-TOLUIC ACID;Benzoic acid, 2-methyl-3-nitro-;2-methyl-3-nitro-benzoicaci;AKOS BB-9542;2-METHYL-3-NITROBENZOIC ACID;
The Molecular formula of 2-Methyl-3-nitrobenzoic Acid(1975-50-4): C₈H₇NO₄
The Molecular Weight of 2-Methyl-3-nitrobenzoic Acid(1975-50-4): 181.15
Molecular Structure :
EINECS: 217-826-4
Melting point: 182-184 °C(lit.)
Water Solubility: <0.1 g/100 mL at 22 oC

2-Methyl-3-nitrobenzoic Acid Production

The productions of 2-Methyl-3-nitrobenzoic Acid(1975-50-4) include Fine Chemical and Intermediates,Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides and Salts,Benzoic acid,as well as Organic acids.

2-Methyl-3-nitrobenzoic Acid Safety Profile

The Hazard Codes of 2-Methyl-3-nitrobenzoic Acid(1975-50-4) : Xi,Xn (Harmful and Irritant)
The Risk Statements information of 2-Methyl-3-nitrobenzoic Acid(1975-50-4):
36/37/38-20/21/22 (Irritating to eyes, respiratory system and skin by inhalation, in contact with skin and if swallowed )
The Safety Statements information of 2-Methyl-3-nitrobenzoic Acid(1975-50-4):
26-36-36/37/39-22 (Wear suitable protective clothing, gloves and eye/face protection ;do not breathe dust ;in case of contact with eyes, rinse immediately with plenty of water and seek medical advice )
Hazard Note : Irritant

Product Name

2-Methyl-3-nitrobenzoic acid

Synthetic route

2-Methyl-3-nitrobenzoic Acid Chemical Properties

2-Methyl-3-nitrobenzoic Acid Production

2-Methyl-3-nitrobenzoic Acid Safety Profile

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