INTRODUCTION

Potassium 2-nitrophenolate is characterized by its distinct orange color. This molecule is an important raw material in manufacture of intermediates that are further used to make APIs, Agrochemicals, and Colorants.

Manufacture

It is manufactured by reaction of o-nitrophenol with either potassium chloride or potassium sulphate.

SynonymsPotassium 2-nitrophenoxide
o-Hydroxynitrobenzene potassium salt
CAS no.824-38-4
EINECS no.
Molecular formulaC6H4NO3K
Molecular weight177.20
Structure

Applications

This compound is used in further synthesis of:

IntermediatesCAS no.
Benzyl-2-nitrophenyl ether4560-41-2
2-(2-Nitrophenoxy)-1-phenyl-ethanone18065-01-5
1-Nitro-2-(2-nitrophenoxy)-benzene2217-65-4
2-(Benzyloxy)aniline20012-63-9
2-Nitrophenetole610-67-3
6H-dibenzo[b,d]pyran229-95-8
Benzoic acid 2-nitrophenyl ester1523-12-2
Ethyl O-nitrophenyl oxalate17318-84-2

SPECIFICATIONS

TestUnitSpecifications
AppearanceOrange crystalline solid
SolubilitySoluble in methanol, chloroform and DMSO
Identification by MSShould conform to the structure
Identification by proton NMRShould conform to the structure
Melting point°C292.0-293.0
Purity by HPLC%Min 96.96

STORAGE
The product is stored at ambient temperature.

PACKING
25 kg UN approved drum.

REACH Status
Not registered yet.

ExSyn offers potassium 2-nitrophenolate on commercial scales and welcomes enquiries. No matter the quantity you need, our exceptional quality and service will make ExSyn your supplier of choice! If you need any additional information or SDS, please contact us.

More Products
In focus: Sodium Hyaluronate Ph. Eur.
Products in focus · 12/05/2026

Sodium Hyaluronate is the sodium salt of hyaluronic acid, a naturally occurring glycosaminoglycan known for its exceptional ability to retain moisture, along with its viscoelastic and biocompatible properties, making it highly valuable across pharmaceutical, cosmetic, and biomedical applications.

READ MORE
In focus: Pyrazinamide Ph. Eur.
Products in focus · 05/05/2026

Pyrazinamide is a first-line antitubercular drug used in combination therapy for the treatment of tuberculosis (TB). It is a synthetic pyrazine derivative and acts as a prodrug, which is converted into its active form (pyrazinoic acid) inside Mycobacterium tuberculosis.

READ MORE
In focus: 6-Bromopyridine-2,3-diamine
Products in focus · 28/04/2026

6-Bromopyridine-2,3-diamine is a heterocyclic organic compound belonging to the class of substituted pyridines. It is used mainly as an intermediate in pharmaceuticals and agrochemicals.

READ MORE
In focus: MagnesiumTrisilicate BP (Trisilicalm)
Products in focus · 21/04/2026

Magnesium trisilicate is an inorganic compound commonly used in pharmaceutical and gastrointestinal (GI) preparations due to its dual action. It is usually produced as a white, odorless, fine powder. It helps bind toxins or irritants in the gastrointestinal tract and occasionally used in formulations for its stabilizing properties.

READ MORE
In focus: Choline Salicylate Solution
Products in focus · 14/04/2026

Choline salicylate is a salicylate salt formed from choline and salicylic acid. It is a non-steroidal anti-inflammatory agent (NSAID-type compound) mainly used for its analgesic, anti-inflammatory, and mild antiseptic properties. Unlike acetylated salicylates, it is less irritating to the gastric mucosa and is commonly used in topical oral preparations such as gels and mouth paints.

READ MORE
In focus: Tensyra™ N-10, (Octoxinol 10, Ph.Eur.)
Products in focus · 07/04/2026

TensyraTM N-10 (Octoxinol 10; tert-octyl phenyl ethoxylate) is a non-ionic surfactant known for its excellent solubilizing and membrane-permeabilizing properties. It features a hydrophilic polyethylene oxide chain paired with a lipophilic aromatic hydrocarbon group.It readily breaks down biological membranes to lyse cells, solubilize proteins, and permeabilize cell membranes for assays.

READ MORE
In focus: Teprenone (Geranylgeranylacetone; GGA)
Products in focus · 31/03/2026

Teprenone (Geranylgeranylacetone, GGA) is a mixture of the all-trans and mono-cis isomers of 6,10,14,18-tetramethyl-5,9,13,17-nonadecatetraen-2-one (in a weight ratio of 3:2). It is an acyclic isoprenoid compound with a structure like retinoids and is widely used for the treatment of gastrointestinal ulcers.

READ MORE
In focus: Ciclopirox Olamine Ph.Eur.
Products in focus · 24/03/2026

Ciclopirox Olamine (CPO)  is the N-oxide of a 2 -hydroxy pyridine derivative that carries antifungal, antibacterial, and anti-inflammatory properties. It is composed of 6-cyclohexyl-1-hydroxy-4-methyl-2(1H)-pyridone combined with 2 aminoethanol (olamine) in a 1:1 ratio.

READ MORE
In focus: N,N-Dimethylglycine sodium salt (DMG Na)
Products in focus · 17/03/2026

N,N-Dimethylglycine sodium salt (DMG Na) is the sodium salt form of N,N-dimethylglycine, a tertiary amino acid derivative is white to off white crystalline solid, freely soluble in water.

READ MORE