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3-Amino-2-methylbenzoic acid

Product Name
3-Amino-2-methylbenzoic acid
CAS No.
52130-17-3
Chemical Name
3-Amino-2-methylbenzoic acid
Synonyms
H(3)-ATL(2)-OH;3-Amino-o-toluic;2-Methyl-3-amino;3-Amino-2-methyL;H-(3)ABZ(2-ME)-OH;Glucagon Impurity 3;3-Amino-2-methylbenz;3-AMINO-O-TOLUIC ACID;3-AMINO-2-TOLUIC ACID;2-Methyl-3-aMino acid
CBNumber
CB7104819
Molecular Formula
C8H9NO2
Formula Weight
151.16
MOL File
52130-17-3.mol
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3-Amino-2-methylbenzoic acid Property

Melting point:
178-181 °C(lit.)
Boiling point:
273.17°C (rough estimate)
Density 
1.2023 (rough estimate)
refractive index 
1.5810 (estimate)
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
solubility 
almost transparency in hot Methanol
form 
powder to crystal
pka
3.09±0.10(Predicted)
color 
White to Light yellow to Light orange
BRN 
2803090
InChI
InChI=1S/C8H9NO2/c1-5-6(8(10)11)3-2-4-7(5)9/h2-4H,9H2,1H3,(H,10,11)
InChIKey
BYHMLZGICSEKIY-UHFFFAOYSA-N
SMILES
C(O)(=O)C1=CC=CC(N)=C1C
CAS DataBase Reference
52130-17-3(CAS DataBase Reference)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-37/39
WGK Germany 
3
HS Code 
29224999
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TCI Chemical
Product number
A1401
Product name
3-Amino-2-methylbenzoic Acid
Purity
>99.0%(HPLC)(T)
Packaging
25g
Price
$41
Updated
2025/07/31
TCI Chemical
Product number
A1401
Product name
3-Amino-2-methylbenzoic Acid
Purity
>99.0%(HPLC)(T)
Packaging
250g
Price
$242
Updated
2025/07/31
TRC
Product number
A637843
Product name
3-Amino-2-methylbenzoic acid
Packaging
50mg
Price
$45
Updated
2021/12/16
SynQuest Laboratories
Product number
4757-1-27
Product name
3-Amino-2-methylbenzoic acid
Packaging
25g
Price
$64
Updated
2021/12/16
Matrix Scientific
Product number
075106
Product name
3-Amino-2-methylbenzoic acid
Purity
95+%
Packaging
100g
Price
$78
Updated
2021/12/16
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3-Amino-2-methylbenzoic acid Chemical Properties,Usage,Production

Chemical Properties

white to beige powder

Synthesis

1975-50-4

52130-17-3

The general procedure for the synthesis of 3-amino-2-methylbenzoic acid from 2-methyl-3-nitrobenzoic acid was as follows: 2-methyl-3-nitrobenzoic acid (2 g, 12.12 mmol) was dissolved in ethyl acetate in a two-necked round-bottomed flask and 5% Pd-C catalyst (0.10 g) was added. The reaction mixture was stirred for 15 h under hydrogen atmosphere. After completion of the reaction, the solvent was removed by distillation under reduced pressure to give the crude product. The crude product was purified by column chromatography (silica gel 60-120 mesh, with dichloromethane and ethanol (v/v, 99.5:0.5) as eluents) to give a white solid product with a melting point of 181°C. IR (νmax, cm-1): 3244 (νN-H), 1724 (νC=O, acid), 1284 (νC-N, aromatic amine). Elemental analysis (C8H9NO2) Calculated values: C, 63.56%; H, 6.00%; N, 9.27%. Measured values: C, 63.13%; H, 5.87%; N, 8.99%.

References

[1] Tetrahedron Letters, 2000, vol. 41, # 11, p. 1741 - 1745
[2] Journal of Molecular Structure, 2013, vol. 1049, p. 78 - 89
[3] Bulletin de la Societe Scientifique de Bretagne, 1956, vol. 31, p. Sonderheft S.9,41
[4] Bulletin de la Societe Chimique de France, 1973, p. 3427 - 3432
[5] Tetrahedron Letters, 1998, vol. 39, # 47, p. 8589 - 8592

3-Amino-2-methylbenzoic acid Preparation Products And Raw materials

Raw materials

Preparation Products

3-Methoxy-2-methylbenzoic acid 3-Hydroxy-2-methylbenzoic acid
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3-Amino-2-methylbenzoic acid Suppliers

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View Lastest Price from 3-Amino-2-methylbenzoic acid manufacturers

Shaanxi Dideu New Materials Co. Ltd
Product
3-Amino-2-methylbenzoic acid 52130-17-3
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99.0%
Supply Ability
10000KGS
Release date
2025-05-12
WUHAN FORTUNA CHEMICAL CO., LTD
Product
3-Amino-2-methylbenzoic acid 52130-17-3
Price
US $0.00/Kg/Drum
Min. Order
1KG
Purity
98%min
Supply Ability
10 tons
Release date
2021-09-30
Hebei Zhuanglai Chemical Trading Co Ltd
Product
2-Methyl-3-aminobenzoic acid 52130-17-3
Price
US $10.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20 ton
Release date
2024-12-03

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