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Cas Database |
| Name |
4-Amino-3-methylbenzoic acid |
EINECS | 219-629-9 |
| CAS No. | 2486-70-6 | Density | 1.254 g/cm3 |
| PSA | 63.32000 | LogP | 1.85660 |
| Solubility | N/A | Melting Point |
169-171 °C(lit.) |
| Formula | C8H9NO2 | Boiling Point | 339.5 °C at 760 mmHg |
| Molecular Weight | 151.165 | Flash Point | 159.1 °C |
| Transport Information | N/A | Appearance | Yellowish or brown powder |
| Safety | 26-37/39-24/25 | Risk Codes | 36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
m-Toluicacid, 4-amino- (6CI,7CI,8CI);3-Methyl-4-aminobenzoic acid; |
Article Data | 20 |
4-Amino-3-methylbenzoic acid Synthetic route
| 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% |
- 5855-93-6
4-(4,6-dimethyl-benzothiazol-2-yl)-2-methyl-aniline
A
- 2486-70-6
4-amino 3-methylbenzoic acid
B
- 56536-88-0
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 |
- 74965-31-4
N-(tert-butoxycarbonyl)-o-toluidine
- 79-22-1
methyl chloroformate
- 2486-70-6
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; |
- 541-41-3
chloroformic acid ethyl ester
- 74965-31-4
N-(tert-butoxycarbonyl)-o-toluidine
- 2486-70-6
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% |
- 64-17-5
ethanol
- 2486-70-6
4-amino 3-methylbenzoic acid
- 40800-65-5
1-amino-2-methylbenzene-4-carboxylic acid ethyl ester
| Conditions | Yield |
|---|---|
| With sulfuric acid for 3h; Reflux; | 99% |
- 186581-53-3, 908094-01-9
diazomethane
- 2486-70-6
4-amino 3-methylbenzoic acid
- 18595-14-7
methyl 4-amino-3-methylbenzoate
| Conditions | Yield |
|---|---|
| In diethyl ether | 96% |
4-Amino-3-methylbenzoic acid Chemical Properties
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
4-Amino-3-methylbenzoic acid Safety Profile
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
4-Amino-3-methylbenzoic acid Specification
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.
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