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Methyl 3,4-diaminobenzoate

Methyl 3,4-diaminobenzoate structure

CAS No.: 36692-49-6

Chemical Name:: Methyl 3,4-diaminobenzoate

Synonyms: TJ08;4-diaminobenzoate;BUTTPARK 96\50-24;Methyldibromobenzoate;METHYL 3,4-DIAMINOBENZOATE;Methyl3,4-Diaminobenzoate>M**Methyl 3,4-diaminobenzoate;Methyl 3,4-diaminobenzoic acid;Methyl 3,4-diaminobenzoate, 97.5%;METHYL 3,4-DIAMINOBENZENECARBOXYLATE

CBNumber:: CB7345043

Molecular Formula:: C8H10N2O2

Molecular Weight:: 166.18

MDL Number:: MFCD00017098

MOL File:: 36692-49-6.mol

MSDS File:: SDS

Last updated:2026-01-13 11:25:11

Product description	Number	Pack Size	Price
Methyl 3,4-diaminobenzoate 97%	705985	25g	$584
Methyl 3,4-diaminobenzoate 97%	705985	5g	$176
Methyl 3,4-Diaminobenzoate >98.0%(GC)(T)	M2346	5g	$50
Methyl 3,4-Diaminobenzoate >98.0%(GC)(T)	M2346	25g	$198
Methyl 3,4-diaminobenzoate	455305	100mg	$305

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Methyl 3,4-diaminobenzoate Properties

Melting point	105-110 °C
Boiling point	376.9±22.0 °C(Predicted)
Density	1.260±0.06 g/cm3(Predicted)
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
solubility	soluble in Methanol
pka	3.02±0.10(Predicted)
form	powder to crystal
color	White to Gray to Red
BRN	2091675
InChI	InChI=1S/C8H10N2O2/c1-12-8(11)5-2-3-6(9)7(10)4-5/h2-4H,9-10H2,1H3
InChIKey	IOPLHGOSNCJOOO-UHFFFAOYSA-N
SMILES	C(OC)(=O)C1=CC=C(N)C(N)=C1
CAS DataBase Reference	36692-49-6(CAS DataBase Reference)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS06

Signal word

Danger

Hazard statements

H301

Precautionary statements

P301+P310+P330

PPE

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Hazard Codes

Xi,Xn

Risk Statements

36/37/38-20/21/22-22

Safety Statements

26-36/37/39-36/37

RIDADR

2811

WGK Germany

HazardClass

IRRITANT

PackingGroup

Ⅲ

HS Code

29224999

Storage Class

6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects

Hazard Classifications

Acute Tox. 3 Oral

NFPA 704

	1
3		0

Methyl 3,4-diaminobenzoate price More Price(33)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	705985	Methyl 3,4-diaminobenzoate 97%	36692-49-6	25g	$584	2025-07-31	Buy
Sigma-Aldrich	705985	Methyl 3,4-diaminobenzoate 97%	36692-49-6	5g	$176	2023-06-20	Buy
TCI Chemical	M2346	Methyl 3,4-Diaminobenzoate >98.0%(GC)(T)	36692-49-6	5g	$50	2025-07-31	Buy
TCI Chemical	M2346	Methyl 3,4-Diaminobenzoate >98.0%(GC)(T)	36692-49-6	25g	$198	2025-07-31	Buy
Usbiological	455305	Methyl 3,4-diaminobenzoate	36692-49-6	100mg	$305	2021-12-16	Buy

Product number	Packaging	Price	Buy
705985	25g	$584	Buy
705985	5g	$176	Buy
M2346	5g	$50	Buy
M2346	25g	$198	Buy
455305	100mg	$305	Buy

Methyl 3,4-diaminobenzoate Chemical Properties,Uses,Production

Application

Methyl 3,4-diaminobenzoate can be used as a drug molecule and organic synthesis intermediate in laboratory research and development.

Chemical Properties

White to light brown to light yellow powder or crystals

Synthesis

67-56-1

619-05-6

36692-49-6

Thionyl chloride (0.72 mL, 9.80 mmol) was slowly added dropwise to a solution of 3,4-diaminobenzoic acid (1.00 g, 6.58 mmol) in methanol (15.0 mL) for a controlled time of 10 minutes. The reaction mixture was stirred at room temperature for 4 hours before the solvent was removed by evaporation under reduced pressure. The residue was partitioned between water and ethyl acetate (EtOAc) to separate the organic layer. The organic layer was diluted with ethyl acetate and washed sequentially with saturated aqueous sodium bicarbonate, saturated brine and water and then dried with anhydrous magnesium sulfate. The desiccant was removed by filtration and the solvent was evaporated under reduced pressure to afford methyl 3,4-diaminobenzoate (993 mg, 95.0% yield) as a brown solid. The product characterization data were as follows: 1H NMR (CDCl3, 500 MHz) δ 7.49 (d, 1H, J = 7.01 Hz, Ar-H), 7.47 (s, 1H, Ar-H), 6.68 (d, 1H, J = 7.01 Hz, Ar-H), 3.87 (s, 3H, -COOCH3), 3.80 (br s, 2H, -NH2 ), 3.35 (br s, 2H, -NH2); 13C NMR (CDCl3, 125 MHz) δ 166.56, 140.89, 138.16, 120.87, 118.23, 118.16, 52.11; LCMS m/z calculated value (MNa)+ 189.06, measured value 189.00.

References

[1] Bioorganic and Medicinal Chemistry Letters, 2012, vol. 22, # 24, p. 7456 - 7460
[2] Patent: US2016/33489, 2016, A1. Location in patent: Paragraph 0204
[3] Medicinal Chemistry Research, 2015, vol. 24, # 8, p. 3143 - 3156
[4] Patent: WO2005/113489, 2005, A1. Location in patent: Page/Page column 75-76
[5] Patent: EP1502916, 2005, A1. Location in patent: Page 440

Methyl 3,4-diaminobenzoate synthesis

Synthesis of Methyl 3,4-diaminobenzoate from Methanol and 3,4-Diaminobenzoic acid

Methyl 3,4-diaminobenzoate Preparation Products And Raw materials

Raw materials

Benzoic acid, 3-amino-4-nitro-, methyl ester (9CI) 3,4-Diaminobenzoic acid Methanol

Preparation Products

Methyl 2-(Pyridin-2-yl)-1H-benzo[d]imidazole-6-carboxylate Methyl 2,3-dioxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylate 2,3-Bis(4-Fluorophenyl)Quinoxaline-6-Carboxylic Acid METHYL 3,4-DI[[(4-METHYLPHENYL)SULFONYL]AMINO]BENZOATE 2,1,3-BENZOTHIADIAZOLE-5-CARBONYL CHLORIDE

Methyl 3,4-diaminobenzoate Suppliers

Global( 295)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Changzhou Anxuan Chemical Co., Ltd	+86-0519-89882563 +86-18961279162	andy@anxuanchem.com	China	4327	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718; +8613336195806	sales@capot.com	China	29735	60
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	33024	60
Jinan Carbotang Biotech Co.,Ltd.	+8615866703830	figo.gao@foxmail.com	China	8497	58
Accela ChemBio Inc.	+1-858-6993322	info@accelachem.com	United States	21193	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
Wuhan Chemwish Technology Co., Ltd	027-67849912	sales@chemwish.com	CHINA	10821	58
Nanjing jinheyou Trading Co., Ltd.	15705188088	admin@jheyou.com	CHINA	1268	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49977	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29795	58

Supplier	Advantage
Changzhou Anxuan Chemical Co., Ltd	58
Capot Chemical Co.,Ltd.	60
ATK CHEMICAL COMPANY LIMITED	60
Jinan Carbotang Biotech Co.,Ltd.	58
Accela ChemBio Inc.	58
Alchem Pharmtech,Inc.	58
Wuhan Chemwish Technology Co., Ltd	58
Nanjing jinheyou Trading Co., Ltd.	58
CONIER CHEM AND PHARMA LIMITED	58
career henan chemical co	58

View Lastest Price from Methyl 3,4-diaminobenzoate manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-03-06	Methyl 3,4-diaminobenzoate 36692-49-6	US $0.00-0.00 / kg	1kg	98.0%min	10tons/month	Asia Chem I and E (Jiangsu) Co Ltd
2019-12-25	Methyl 3,4-diaminobenzoate 36692-49-6	US $1.00 / g	1g	99%	1000KGS	Career Henan Chemical Co
2019-11-08	Methyl 3,4-diaminobenzoate 36692-49-6	US $0.00 / g	1g	98%min	20kg/month	Nanjing jinheyou Trading Co., Ltd.

Methyl 3,4-diaminobenzoate
36692-49-6
US $0.00-0.00 / kg
98.0%min
Asia Chem I and E (Jiangsu) Co Ltd

Methyl 3,4-diaminobenzoate
36692-49-6
US $1.00 / g
99%
Career Henan Chemical Co

Methyl 3,4-diaminobenzoate
36692-49-6
US $0.00 / g
98%min
Nanjing jinheyou Trading Co., Ltd.

Methyl 3,4-diaminobenzoate Spectrum

Methyl 3,4-diaminobenzoate(36692-49-6)¹HNMR Methyl 3,4-diaminobenzoate(36692-49-6)FT-IR

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1of4

BUTTPARK 96\50-24 METHYL 3,4-DIAMINOBENZENECARBOXYLATE METHYL 3,4-DIAMINOBENZOATE Methyldibromobenzoate 3,4-DIAMINOBENZOIC ACID METHYL ESTER 97% 3 5-DIAMINO-2-METHYL BENZOIC ACID 97% BENZOICACID,3,4-DIAMINO-,METHYLESTER 4-diaminobenzoate Methyl 3,4-diaminobenzoate, 97.5% 4-(Methoxycarbonyl)benzene-1,2-diamine, 4-(Methoxycarbonyl)phenylene-1,2-diamine M**Methyl 3,4-diaminobenzoate Methyl3,4-Diaminobenzoate> TJ08 Methyl 3,4-diaminobenzoic acid 3,4-DIAMINOBENZOIC ACID METHYL ESTER 36692-49-6 H2N2C6H3COOCH3 Aromatic Esters Esters Phenyls & Phenyl-Het