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2-amino-5-ethylbenzoic acid

2-amino-5-ethylbenzoic acid Structure
2-amino-5-ethylbenzoic acid structure
CAS No.
2475-82-3
Chemical Name:
2-amino-5-ethylbenzoic acid
Synonyms
AKOS BBS-00008777;OTAVA-BB 7011090009;UKRORGSYN-BB BBV-237782;2-amino-5-ethylbenzoic acid;Benzoic acid, 2-amino-5-ethyl-;2-amino-5-ethylbenzoic acid(SALTDATA: FREE)
CBNumber:
CB61684124
Molecular Formula:
C9H11NO2
Molecular Weight:
165.19
MDL Number:
MFCD02358893
MOL File:
2475-82-3.mol
MSDS File:
SDS
Last updated:2026-05-28 01:14:23
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2-amino-5-ethylbenzoic acid Properties

Melting point 126 °C(Solv: ligroine (8032-32-4))
Boiling point 326.1±35.0 °C(Predicted)
Density 1.205±0.06 g/cm3(Predicted)
pka 2.27±0.10(Predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H319-H302-H315-H335
Precautionary statements  P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362-P264-P270-P301+P312-P330-P501

2-amino-5-ethylbenzoic acid price More Price(23)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Biosynth CAA47582 2-Amino-5-ethylbenzoic acid 2475-82-3 0.5g $342.2 2026-06-04 Buy
Biosynth CAA47582 2-Amino-5-ethylbenzoic acid 2475-82-3 5g $1121 2026-06-04 Buy
Activate Scientific AS46529 2-Amino-5-ethylbenzoic acid 95% 2475-82-3 1g $308 2026-06-04 Buy
Matrix Scientific 300676 2-Amino-5-ethylbenzoic acid 2475-82-3 100.00mg $110 2026-05-19 Buy
Matrix Scientific 300676 2-Amino-5-ethylbenzoic acid 2475-82-3 250.00mg $134 2026-05-19 Buy
Product number Packaging Price Buy
CAA47582 0.5g $342.2 Buy
CAA47582 5g $1121 Buy
AS46529 1g $308 Buy
300676 100.00mg $110 Buy
300676 250.00mg $134 Buy

2-amino-5-ethylbenzoic acid Chemical Properties, Uses, Production

Synthesis

5-Ethyl-1H-indole-2,3-dione

96202-56-1

2-amino-5-ethylbenzoic acid

2475-82-3

General procedure for the synthesis of 2-amino-5-ethylbenzoic acid from 5-ethylindoline-2,3-dione: Sodium hydroxide (6.5 g, 162.5 mmol) was dissolved in distilled water (52 mL) and cooled to below 30 °C. Subsequently, 5-ethylindoline-2,3-dione (9.6 g, 54.8 mmol) was slowly added with continuous stirring. The reaction bath was further cooled to below 15 °C and 30% hydrogen peroxide solution (15.6 g) was slowly added dropwise while controlling the reaction temperature between 15-20 °C. After the dropwise addition, the reaction temperature was maintained at 15-20 °C to continue the reaction for 1 hour. Subsequently, the pH of the reaction solution was adjusted to 5-6 by slowly adding glacial acetic acid dropwise, at which time a yellow solid precipitated. The precipitated solid was collected by filtration and washed with a small amount of cold water and then dried. The crude product was recrystallized by ethanol/water (1:1, v/v) solvent mixture to give 3.4 g of yellow solid product in 38% yield.

References

[1] Chemistry Letters, 2009, vol. 38, # 3, p. 200 - 201
[2] Patent: CN104803927, 2017, B. Location in patent: Paragraph 0109; 0113; 0114
[3] Il Farmaco; edizione scientifica, 1968, vol. 23, # 1, p. 3 - 15
[4] Patent: US2004/167128, 2004, A1. Location in patent: Page 22
[5] Patent: WO2003/97641, 2003, A2. Location in patent: Page/Page column 67

2-amino-5-ethylbenzoic acid Preparation Products And Raw materials

Raw materials

5-Ethyl-1H-indole-2,3-dione Sodium hydroxide Hydrogen peroxide

Preparation Products

2-amino-5-ethylbenzoic acid Suppliers

Global Suppliers ( 32)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
Shanghai Raise Chemical Technology Co.,Ltd +86-021-50935922 China 7854 55
Yancheng KangdiSen Pharmaceutical Co., Ltd. 13812573443;18052965989 tongbenwan22@163.com China 1975 55
Changzhou Hopschain Chemical Co.,Ltd. 85528066 13775048983 sales@hopschem.com China 31548 55
Amadis Chemical Company Limited 571-89925085 sales@amadischem.com China 131885 58
Wuxi AppTec 022-59987777 13552403979 jia_guoqiang@wuxiapptec.com China 22344 58
Capot Chemical Co.,Ltd. +86-（0）57185586718 +86-13336195806 sales@capot.com China 29626 60
Aikon International Limited 025-58851090 13913916777 sales01@aikonchem.com China 15947 58
3A Chemicals 400-668-9898 service@3achem.com China 20535 58
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Shandong Xiya Chemical Co., Ltd 57
Shanghai Raise Chemical Technology Co.,Ltd 55
Yancheng KangdiSen Pharmaceutical Co., Ltd. 55
Changzhou Hopschain Chemical Co.,Ltd. 55
Amadis Chemical Company Limited 58
Wuxi AppTec 58
Capot Chemical Co.,Ltd. 60
Aikon International Limited 58
3A Chemicals 58

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2-amino-5-ethylbenzoic acid AKOS BBS-00008777 OTAVA-BB 7011090009 UKRORGSYN-BB BBV-237782 2-amino-5-ethylbenzoic acid(SALTDATA: FREE) Benzoic acid, 2-amino-5-ethyl- 2475-82-3