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CAS No.: | 2486-70-6 |
---|---|
Name: | 4-Amino-3-methylbenzoic acid |
Article Data: | 20 |
Molecular Structure: | |
Formula: | C8H9NO2 |
Molecular Weight: | 151.165 |
Synonyms: | m-Toluicacid, 4-amino- (6CI,7CI,8CI);3-Methyl-4-aminobenzoic acid; |
EINECS: | 219-629-9 |
Density: | 1.254 g/cm3 |
Melting Point: | 169-171 °C(lit.) |
Boiling Point: | 339.5 °C at 760 mmHg |
Flash Point: | 159.1 °C |
Appearance: | Yellowish or brown powder |
Hazard Symbols: | Xi |
Risk Codes: | 36/37/38 |
Safety: | 26-37/39-24/25 |
PSA: | 63.32000 |
LogP: | 1.85660 |
Conditions | Yield |
---|---|
With hydrogenchloride; sulfuric acid In water; acetonitrile at 40℃; for 4h; Solvent; Reagent/catalyst; Temperature; Electrolysis; | 99% |
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 1875.19 Torr; for 2h; | 98% |
With palladium on activated charcoal; hydrogen In methanol at 20℃; for 24h; | 96% |
4-(4,6-dimethyl-benzothiazol-2-yl)-2-methyl-aniline
A
4-amino 3-methylbenzoic acid
B
3,5-dimethyl-2-aminobenzenethiol
Conditions | Yield |
---|---|
bei der Alkalischmelze; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: concentrated nitric acid 2: iron sulfate(II) hydrate; ammonia View Scheme | |
Multi-step reaction with 2 steps 1: fuming nitric acid 2: iron sulfate(II) hydrate; ammonia View Scheme | |
Multi-step reaction with 2 steps 1: fuming nitric acid 2: iron sulfate(II) hydrate; ammonia View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: methanol / 1 h / 36 °C / Inert atmosphere 2: triethylamine / methanol; isopropyl alcohol / 22.67 h / 116 - 140 °C / 5168.35 - 8360.56 Torr View Scheme |
N-(tert-butoxycarbonyl)-o-toluidine
methyl chloroformate
4-amino 3-methylbenzoic acid
Conditions | Yield |
---|---|
With triethylamine In methanol; isopropyl alcohol at 116 - 140℃; under 5168.35 - 8360.56 Torr; for 22.67h; Pressure; Temperature; |
chloroformic acid ethyl ester
N-(tert-butoxycarbonyl)-o-toluidine
4-amino 3-methylbenzoic acid
Conditions | Yield |
---|---|
With ethylenediamine In propan-1-ol; ethanol at 110 - 130℃; under 4560.31 - 6080.41 Torr; for 11.5h; |
Conditions | Yield |
---|---|
In acetone at 60℃; for 0.666667h; | 100% |
ethanol
4-amino 3-methylbenzoic acid
1-amino-2-methylbenzene-4-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
With sulfuric acid for 3h; Reflux; | 99% |
diazomethane
4-amino 3-methylbenzoic acid
methyl 4-amino-3-methylbenzoate
Conditions | Yield |
---|---|
In diethyl ether | 96% |
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IUPAC Name: 4-Amino-3-methylbenzoic acid
Synonyms of 4-Amino-3-methylbenzoic acid (CAS NO.2486-70-6): 3-Methyl-4-aminobenzoic acid ; 4-Amino-m-toluic acid
CAS NO: 2486-70-6
Molecular Formula: C8H9NO2
Molecular Weight: 151.16
Molecular Structure:
EINECS: 219-629-9
H bond acceptors: 3
H bond donors: 3
Freely Rotating Bonds: 2
Polar Surface Area: 29.54 Å2
Index of Refraction: 1.618
Molar Refractivity: 42.24 cm3
Molar Volume: 120.5 cm3
Surface Tension: 58.2 dyne/cm
Density: 1.254 g/cm3
Flash Point: 159.1 °C
Enthalpy of Vaporization: 61.53 kJ/mol
Boiling Point: 339.5 °C at 760 mmHg
Vapour Pressure: 3.55E-05 mmHg at 25°C
Melting Point: 169-171 °C(lit.)
Appearance:beige or light buff to orange
Product Categories of 4-Amino-3-methylbenzoic acid (CAS NO.2486-70-6): CARBOXYLICACID;FINE Chemical & INTERMEDIATES;Amines;blocks;Carboxes;Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;pharmacetical;Organic acids;Acids & Esters;Anilines, Amides & Amines;Aromatic Amino Acids;Peptide Synthesis;Unnatural Amino Acid Derivatives
Safety Information about 4-Amino-3-methylbenzoic acid (CAS NO.2486-70-6):
Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39-24/25
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S24/25: Avoid contact with skin and eyes.
S37/39: Wear suitable gloves and eye/face protection.
WGK Germany: 3
Hazard Note: Irritant
HazardClass: IRRITANT
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media: In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.
Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Storage: Store in a cool, dry place. Keep container closed when not in use.