5-Aminosalicylic acid

Public-database records for 5-Aminosalicylic acid (CAS 89-57-6), reproduced here for independent cross-checking.

Safety classification and hazard statements

Regulatory listings

Physical description and handling notes

• 5-aminosalicylic acid appears as odorless white to pinkish crystals or purplish-tan powder. Aqueous solutions acidic (pH approximately 4.1 at 0.8 mg/L water). (NTP, 1992)
• White to pinkish solid; [Merck Index] Purplish tan solid; [NTP] Powder; [Alfa Aesar MSDS]
• Solid
• White to pinkish crystals
• 536 °F (decomposes) (NTP, 1992)
• less than 1 mg/mL at 70 °F (NTP, 1992)

Reported physical properties

How this substance is indexed

Documented uses

• Used to make dyes and light-sensitive paper; Also used as a gastrointestinal anti-inflammatory drug; [Merck Index] A metabolite of the drug sulfasalazine; [REPROTOX]
• In manufacture of light-sensitive paper, azo and sulfur dyes
• Treatment of ulcerative colitis (England)
• It is used orally, in a delay-release formulation, as a retention enema, and as a suppository.
• THERAP CAT: Anti-inflammatory (gastrointestinal)
• Synthetic Polymer MALDI Matrix Compounds

Names this substance appears under

5-Aminosalicylic acid; mesalamine; 89-57-6; Mesalazine; 5-Amino-2-hydroxybenzoic acid; 5-ASA; Fisalamine; Lialda; m-Aminosalicylic acid; Benzoic acid, 5-amino-2-hydroxy-; Mesalazina; sfRowasa; Apriso; p-Aminosalicylsaeure; Asacolitin; Mesalazinum

Computed molecular descriptors

Database abstract

5-Aminosalicylic acid · CAS 89-57-6 · C7H7NO3. UNII 4Q81I59GXC. 熔点: 260-280 °C; 熔点: 283 °C; 溶解度: 0.84.

Source: PubChem / Wikidata; the batch COA governs where values differ.