5-Nitrosalicylic acid-Shandong Huashang Chemical Co., Ltd.

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5-Nitrosalicylic acid

Brand：HS

Model：25kg/drum

Purity：99%

Cas：96-97-9

Createtime： 2026-04-14
Updatetime： 2026-04-15

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Product Details

useage	Industrial use
deliveryInfo
appearance	powder
Molecular Weight	183.12
aliasen
supplyCapacity	50000MT/Month
harbor	Qingdao,China
minorder	1KG
Appearance	Light yellow to yellow crystalline powder

Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.

Basic Information

Product Name: 5-Nitrosalicylic acid

Alias: 2-Hydroxy-5-nitrobenzoic acid; Amilotic acid; MFCD00007338; PubChem: 87573617; BRN: 2213719; Merck Index: 14, 6631; Reaxys Registry Number: 2213719; SDBS (AIST Spectral DB): 11070

CAS No.: 96-97-9

EINECS No.: Not available

Molecular Formula: C?H?NO?

Molecular Weight: 183.12 g/mol

Classification: Organic compound, aromatic carboxylic acid derivative, nitro compound, pharmaceutical intermediate, dye intermediate, fine chemical, research reagent, analytical reagent

Physical & Chemical Properties

Appearance: Light yellow to yellow crystalline powder, odorless; stable under normal conditions, combustible (Storage Class 11); irritant (GHS 07), causes skin irritation (Skin Irrit. 2) and serious eye irritation (Eye Irrit. 2); TSCA listed; WGK Germany: 3; Hazard Note: Irritant; Hazard Statements: H315, H319; Safety Statements: S26, S36, S37/39.

Density: 1.65 g/cm3 (25℃); LogP: 1.158 (25℃); PSA: 103.0; pKa: 2.12 (25℃); Refractive Index: 1.6280 (estimate); RTECS No.: Not available; InChIKey: PPDRLQLKHRZIJC-UHFFFAOYSA-N.

Melting Point: 228-231℃ (lit.), stable at room temperature, decomposes at higher temperatures beyond melting point.

Boiling Point: 399.1℃ at 760 mmHg (predicted); rough estimate 316.77℃; decomposes before boiling at atmospheric pressure.

Solubility: Slightly soluble in cold water (1g in 1475mL at 20℃), solubility increases in hot water; soluble in ethanol, ether and other organic solvents; slightly soluble in non-polar organic solvents.

Flash Point: 183.9℃; Vapor Pressure: 0 Pa at 25℃; bulk density varies by form; stable when stored properly, avoid contact with oxidizing agents.

Purity: ≥95.0% (industrial grade); ≥98.0% (analytical grade, GC/neutralization titration); up to >99.0% (high-purity grade); low impurity content, conforming to reagent and intermediate standards.

Storage Condition: Sealed, stored in a cool and dark place (<15℃ recommended), cool and dry environment; protect from direct sunlight and moisture; avoid contact with oxidizing agents; no special storage restrictions under proper conditions; shelf life 2 years when stored properly; handle with appropriate protective equipment to avoid skin and eye contact.

Main Uses

Pharmaceutical Intermediate: Key intermediate for the synthesis of mesalazine (an active component of sulfasalazine), a drug used for the treatment of chronic colitis; also used in the synthesis of other pharmaceutical derivatives and fine chemical intermediates.
Dye & Pigment Industry: Important intermediate in the synthesis of dyes and pigments, widely used in the production of organic dyes and specialty pigments, contributing to the color development and stability of products.
Chemical Research & Analysis: Used as a research reagent and analytical reagent in organic synthesis experiments; can be used as a catalyst or auxiliary reagent in certain organic reactions, such as asymmetric synthesis reactions.
Other Fields: Used in the synthesis of fine chemicals and functional materials; serves as a reactant in the preparation of 5-aminosalicylic acid through catalytic hydrogenation; also used in the research of organic reaction mechanisms and process optimization.

Specification Table

Item	Specification	Unit	Remarks
Product Name	5-Nitrosalicylic acid	—	Alias: 2-Hydroxy-5-nitrobenzoic acid, Amilotic acid
CAS Number	96-97-9	—	TSCA listed; WGK 3; Irritant; GHS 07
Appearance	Light yellow to yellow crystalline powder	—	Odorless; stable under normal conditions
Molecular Formula	C?H?NO?	—	Aromatic carboxylic acid derivative; linear formula: OC(=O)c1cc(ccc1O)(N+)((O-))=O
Molecular Weight	183.12	g/mol
Melting Point	228-231	℃	lit.; decomposes at higher temperatures
Purity	≥98.0	%	Analytical grade; GC/neutralization titration; high-purity grade >99.0%