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3-Aminosalicylic acid

3-Aminosalicylic acid structure

CAS No.: 570-23-0

Chemical Name:: 3-Aminosalicylic acid

Synonyms: 3-AMINO-2-HYDROXYBENZOIC ACID;TIMTEC-BB SBB001895;Mesalazine Impurity F;3-AMINOSALICYLIC ACID;MesalaMine IMpurity F;Mesalazine Impurity 6;Salicylic acid, 3-amino-;Mesalazine EP IMpurity F;Mesalamine EP Impurity F;3-AMINOSALICYLIC ACID 98%

CBNumber:: CB9210352

Molecular Formula:: C7H7NO3

Molecular Weight:: 153.14

MDL Number:: MFCD00010299

MOL File:: 570-23-0.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 04:59:15

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3-Aminosalicylic acid Properties

Melting point	240 °C (dec.) (lit.)
Boiling point	276.03°C (rough estimate)
Density	1.3585 (rough estimate)
refractive index	1.5500 (estimate)
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
solubility	DMSO (Slightly), Methanol (Slightly, Heated)
form	Powder
pka	2.13±0.10(Predicted)
color	tan to brown
Water Solubility	Slightly soluble in water
BRN	2090427
Stability	Hygroscopic
Major Application	peptide synthesis
InChI	1S/C7H7NO3/c8-5-3-1-2-4(6(5)9)7(10)11/h1-3,9H,8H2,(H,10,11)
InChIKey	IQGMRVWUTCYCST-UHFFFAOYSA-N
SMILES	Nc1cccc(C(O)=O)c1O
CAS DataBase Reference	570-23-0(CAS DataBase Reference)
FDA UNII	WN7T1GM9RM
NIST Chemistry Reference	3-Aminosalicylic acid(570-23-0)
UNSPSC Code	41116107
NACRES	NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P264-P271-P280-P302+P352-P305+P351+P338

target organs

Respiratory system

PPE

dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36-37/39

WGK Germany

Hazard Note

Irritant

HS Code

29225090

Storage Class

11 - Combustible Solids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

NFPA 704

	0
2		0

3-Aminosalicylic acid price More Price(72)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	255300	3-Aminosalicylic acid 97%	570-23-0	100mg	$106	2026-04-30	Buy
Sigma-Aldrich	PHR9138	3-Aminosalicylic acid certified reference material, TraceCERT?	570-23-0	100MG	$804	2026-04-30	Buy
Sigma-Aldrich	255300	3-Aminosalicylic acid 97%	570-23-0	500mg	$325	2026-04-30	Buy
TCI Chemical	A0421	3-Aminosalicylic Acid >98.0%(HPLC)	570-23-0	1g	$106	2026-04-30	Buy
TCI Chemical	A0421	3-Aminosalicylic Acid >98.0%(HPLC)	570-23-0	5g	$352	2026-04-30	Buy

Product number	Packaging	Price	Buy
255300	100mg	$106	Buy
PHR9138	100MG	$804	Buy
255300	500mg	$325	Buy
A0421	1g	$106	Buy
A0421	5g	$352	Buy

3-Aminosalicylic acid Chemical Properties, Uses, Production

Chemical Properties

light grey-green to dark beige powder

Uses

3-Aminosalicylic acid acts as an oxygen, nitrogen donor ligand and forms complexes with silver.

Uses

3-Aminosalicylic acid is a building block that can be used to synthesize antimycin A₃. It can also be used to synthesize 2-alkoxy-3-(arylaminomethylene)chroman-4-ones and 3-(aryliminomethyl)chromones by reacting with 3-formylchromones.

Definition

ChEBI: 3-Aminosalicylic acid is a hydroxybenzoic acid.

reaction suitability

reaction type: solution phase peptide synthesis

3-Aminosalicylic acid Preparation Products And Raw materials

Raw materials

Preparation Products

Benzoic acid, 2-[[1-amino-7-[[4-[[6-amino-5-[(3-carboxy-4-hydroxyphenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-2-methoxyphenyl]azo]-8-hydroxy-3,6-disulfo-2-naphthalenyl]azo]-5-[[6-amino-5-[(3-carboxy-4-hydroxyphenyl)azo]-1-hydroxy-3-sul Benzoic acid, 2-hydroxy-3(or 5)-[[4-[(1-hydroxy-5-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-, disodium salt SOLOCHROME BLACK F C.I. Mordant Black 50 C.I. Direct Orange 104

Benzoic acid, 3-[[4-[(1,8-dihydroxy-4-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-2(or 6)-hydroxy-, disodium salt DIRECT BLACK 51 2-Methylbenzo[d]oxazole-7-carboxylic acid (2-Methylbenzoxazol-7-yl)methanol

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3-Aminosalicylic acid Suppliers

Global Suppliers ( 276)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Capot Chemical Co., Ltd	+86 (0) 571 85 58 67 18		China	18187	66
Nanjing Chemlin Chemical Co., Ltd	025-83697070 13770331960	info@chemlin.com.cn	China	16305	64
Shandong Xiya Chemical Co., Ltd	13355009207 13355009207	3007715519@qq.com	China	18722	57
Syntechem Co.,Ltd		info@syntechem.com	China	12973	57
Sichuan Kulinan Technology Co., Ltd	400-1166-196 18981987031	cdhxsj@163.com	China	11674	57

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Capot Chemical Co., Ltd	66
Nanjing Chemlin Chemical Co., Ltd	64
Shandong Xiya Chemical Co., Ltd	57
Syntechem Co.,Ltd	57
Sichuan Kulinan Technology Co., Ltd	57

View Latest Price from 3-Aminosalicylic acid manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-12-19	Mesalazine EP Impurity F 570-23-0		5mg	95%+	1000mg	Guangzhou Tosun Pharmaceutical Ltd
	2020-01-03	3-Aminosalicylic acid 570-23-0	$1.00	1KG	95-99%	1ton	Career Henan Chemical Co

Mesalazine EP Impurity F
570-23-0
95%+
Guangzhou Tosun Pharmaceutical Ltd

3-Aminosalicylic acid
570-23-0
$1.00
95-99%
Career Henan Chemical Co

3-Aminosalicylic acid Spectrum

3-Aminosalicylic acid(570-23-0)MS 3-Aminosalicylic acid(570-23-0)¹HNMR 3-Aminosalicylic acid(570-23-0)IR1 3-Aminosalicylic acid(570-23-0)IR2 3-Aminosalicylic acid(570-23-0)Raman

570-23-0 (3-Aminosalicylic acid) Related Search:

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6-Aminocaproic acid Salicylic acid Methy-5-aminosalicylate 4-AMINOSALICYLIC ACID, NA SALT,4-AMINOSALICYLIC ACID SODIUM DIHYDRATE Tris(hydroxymethyl)aminomethane

Citric acid Glycine Aminoethoxyvinyl glycine hydrochloride Ascoric Acid 5-Aminosalicylic acid

3-Nitrosalicylic acid Calconcarboxylic acid Methyl 4-aminosalicylate

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Benzoic acid, 3-amino-2-hydroxy- Salicylic acid, 3-amino- TIMTEC-BB SBB001895 3-AMINOSALICYLIC ACID Mesalazine Impurity F Mesalazine (Mesalamine) EP Impurity F-d3 3-amino-2-hydroxybenzoate 3-AMINO-2-HYDROXYBENZOIC ACID / 3-AMINOSALICYLIC ACID 3-AMINOSALICYLIC ACID 98% 3-AMINOSALICYLIC ACID 96+% 3-Amino-2-hydroxybenzoic acid 97% 3-Aminosalicylic acid, 2-Amino-6-carboxyphenol, 3-Carboxy-2-hydroxyaniline 3-AMinosalicylic acid, 97% 250MG Mesalazine EP IMpurity F MesalaMine IMpurity F 3-Aminosalicylic acid,97% 3-Amino-2-hydroxybenzoicacid97% 3-Aminosalicylic Acid Reference Standard Mesalamine EP Impurity F Mesalazine Impurity 6(Mesalazine EP Impurity F) 3-Aminosalicylic Acid > 3-Amino-2-hydroxybenzoic Acid (3-Am TIANFU-CHEM - 3-Aminosalicylic acid Mesalazine (Mesalamine) EP Impurity F 3-Amino o-hydroxybenzoic acid MESALAZINE EP IMP F/3-AMINOSALICYLIC ACID Mesalazine EP Impurity F 3-amino-2-hydroxybenzoic acid (3-aminosalicylic acid). 3-Amino,2-Hydroxy Benzoic Acid Impurity-F MESALAZINE EP IMPURITY F/3-AMINOSALICYLIC ACID 3-AMINO-2-HYDROXYBENZOIC ACID Mesalazine Impurity 6 570-23-0 570-20-3 H2NC6H3OHCOOH Aromatic Amino Acids Unnatural Amino Acid Derivatives Peptide Synthesis Specialty Synthesis Intermediates of Dyes and Pigments Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts Carboxylic Acids Phenyls & Phenyl-Het Organic acids Carboxylic Acids Phenyls & Phenyl-Het john's