65-49-6
Product Name:
4-Aminosalicylic acid
Formula:
C7H7NO3
Synonyms:
4-Amino-2-hydroxybenzoic acid;4-Aminosalicylic acid;PAS
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CHEMICAL AND PHYSICAL PROPERTIES
Physical Description | White or nearly white solid; Affected by light and air; [Hawley] Beige powder; [MSDSonline] |
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Color/Form | MINUTE CRYSTALS FROM ALC |
Odor | ODORLESS, OR HAS SLIGHT ACETOUS ODOR |
Melting Point | 150.5 dec °C |
Solubility | >23 [ug/mL] (The mean of the results at pH 7.4) |
Vapor Pressure | 0.000004 [mmHg] |
LogP | 0.89 |
Stability/Shelf Life | DARKENS ON EXPOSURE TO LIGHT & AIR |
pH | PH (SATURATED AQ SOLN): BETWEEN 3 & 3.7 |
Dissociation Constants | 3.625 |
Other Experimental Properties | PH OF 0.1% AQ SOLN: 3.5 |
Chemical Classes | Nitrogen Compounds -> Aminobenzoic Acids |
SAFETY INFORMATION
Signal word | Warning |
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Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
COMPUTED DESCRIPTORS
Molecular Weight | 153.14 g/mol |
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XLogP3 | 1.3 |
Hydrogen Bond Donor Count | 3 |
Hydrogen Bond Acceptor Count | 4 |
Rotatable Bond Count | 1 |
Exact Mass | 153.042593085 g/mol |
Monoisotopic Mass | 153.042593085 g/mol |
Topological Polar Surface Area | 83.6 Ų |
Heavy Atom Count | 11 |
Formal Charge | 0 |
Complexity | 160 |
Isotope Atom Count | 0 |
Defined Atom Stereocenter Count | 0 |
Undefined Atom Stereocenter Count | 0 |
Defined Bond Stereocenter Count | 0 |
Undefined Bond Stereocenter Count | 0 |
Covalently-Bonded Unit Count | 1 |
Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
4-aminosalicylic acid is an aminobenzoic acid that is salicylic acid substituted by an amino group at position 4. It has a role as an antitubercular agent. It is an aminobenzoic acid and a member of phenols. It is functionally related to a salicylic acid. It is a conjugate acid of a 4-aminosalicylate(1-).
RELATED SUPPLIERS
KARPSCHEM LABORATORIES PVT. LTD.
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product:65-49-6 Mesalazine EP Impurity E
4-amino-2-hydroxybenzoic acid (4-aminosalicylic acid).;
Mesalamine EP Impurity E 96%