Salicylic Acid

GTC-581

Carboxylic Acids

Salicylic Acid

CAS No.
69-72-7
Catalogue ID
GTC-581

Salicylic Acid, CAS 69-72-7. Source-derived identification, physical data and applications are provided for catalogue reference; request the current specification, COA and SDS for the required grade.

Catalogue aliases / related identifiers

2-Hydroxybenzoic acid; o-Hydroxybenzoic acid; o-Carboxyphenol; 2-Carboxyphenol; SA; Spiraeic acid; Spiroylic acid; Spiroylous acid

Supplied catalogue source: GTC-581 · Page 37

Reference data — confirm before ordering or use

The information below is a structured migration from the supplied catalogue snapshot. It is not a current product specification, COA or SDS. Confirm the actual supplier, grade, batch documents, classification, packing and destination requirements for your enquiry.


Basic Information of Salicylic Acid

Salicylic Acid (CAS No. 69-72-7) is meticulously manufactured to meet stringent quality standards, ensuring exceptional purity and consistent performance for your specific applications:

CAS No.:69-72-7
EC No.:200-712-3
Linear Formula:C₆H₄(OH)COOH
Molecular Weight:138.12
Appearance:Transparent Liquid
Odor:Odorless or faint characteristic odor.
Melting Point:158-161 °C(lit.)
Boiling point:211 °C(lit.)
Density:1.44
Solubility:Sparingly soluble in water; readily soluble in ethanol, ether, and chloroform.
Flash Point:157 °C
Nature:Mildly acidic (due to carboxyl group), possesses exfoliating and anti-inflammatory properties, acts as a precursor in
RIDADR:UN 1648 6.1 / PGIII
Chemical Structure:Molecular Structure of Salicylic Acid

Our commitment to delivering high-purity Salicylic Acid guarantees a reliable product essential for your diverse manufacturing processes.


Primary Applications of Salicylic Acid (2-Hydroxybenzoic Acid)

Salicylic Acid's unique chemical structure, combining both a hydroxyl group and a carboxylic acid group on a benzene ring, underpins its wide-ranging utility:

  1. Dermatological & Cosmetic Uses:

    Salicylic Acid is a highly valued ingredient in dermatology and cosmetics. As a beta-hydroxy acid (BHA), it's lipophilic, allowing it to penetrate oil glands and exfoliate inside the pores. This makes it highly effective in treating:

    • Acne and Blemishes: Common in cleansers, toners, and spot treatments for its ability to unclog pores and reduce inflammation.

    • Psoriasis and Seborrheic Dermatitis: Helps to soften and shed scales.

    • Warts and Calluses: Acts as a keratolytic agent, dissolving the intercellular cement that holds skin cells together.

  2. Pharmaceutical Active Pharmaceutical Ingredient (API):

    Beyond its topical uses, Salicylic Acid is a direct pharmaceutical agent itself. It possesses analgesic (pain-relieving), anti-inflammatory, and antipyretic (fever-reducing) properties. It's used in various formulations for relief of minor aches and pains.

  3. Precursor for Aspirin Synthesis:

    One of its most historically significant and large-scale uses is as the primary raw material for the synthesis of Acetylsalicylic Acid (Aspirin), a globally recognized analgesic, anti-inflammatory, and antiplatelet drug.

  4. Chemical Intermediate:

    Salicylic Acid serves as a versatile intermediate in the synthesis of a variety of specialty chemicals, including:

    • Methyl Salicylate: Used as a flavoring agent (wintergreen oil) and a topical analgesic.

    • Phenyl Salicylate: Used as a UV absorber and in some dermatological preparations.

    • Dyes and Pigments: Certain derivatives are used in the production of dyes.

    • Fragrances: Components in the fragrance industry.

  5. Preservative:

    Its antimicrobial properties make it useful as a preservative in some food and cosmetic applications.


  • Exceptional Purity & Consistency: Our Salicylic Acid is produced to exacting purity standards, ensuring optimal efficacy for pharmaceutical, cosmetic, and chemical synthesis applications.

  • Commitment to Quality & Safety: We adhere to the highest industry standards for quality management, safety, and environmental responsibility across all our operations, ensuring peace of mind for our clients.


Hazards Classification

  • GHS Classification: Acute Toxicity (GHS06), Irritant (GHS07), Health Hazard (GHS08)

  • Hazard Statements: Harmful if swallowed; causes skin irritation; causes serious eye damage; may cause respiratory irritation.

  • UN Number: UN 1648

  • Hazard Class: 6.1

  • Packing Group: 3

GHS06: Acute toxicity pictogram
GHS06: Acute Toxicity
GHS07: Irritant pictogram
GHS07: Irritant
GHS08: Health hazard pictogram
GHS08: Health Hazard



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  • 01Current specification
  • 02Batch or sample COA
  • 03Product- and supplier-specific SDS
  • 04Packing and shipping review
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