Molekula
4-Aminosalicylic acid
4-Aminosalicylic acid is a pharmaceutical intermediate used in the synthesis of anti-tuberculosis drugs. It is a white to pale yellow crystalline powder with a molecular formula of C7H7NO3 and a molecular weight of 153.14 g/mol. It has a CAS number of 65-49-6 and should be stored at ambient temperatures. The substance is classified with a warning signal word. Molekula supplies 4-Aminosalicylic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
4-Aminosalicylic acid is a pharmaceutical intermediate used in the synthesis of anti-tuberculosis drugs. It is a white to pale yellow crystalline powder with a molecular formula of C7H7NO3 and a molecular weight of 153.14 g/mol. It has a CAS number of 65-49-6 and should be stored at ambient temperatures. The substance is classified with a warning signal word. Molekula supplies 4-Aminosalicylic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White or slightly yellow, or almost white to beige powder |
| Melting Point | 143°C |
| Heavy metals | ≤30ppm |
| pH | 3.0 - 3.7 |
| Water Content | ≤0.5% |
| Residue on Ignition | ≤0.2% |
| Chloride | ≤0.042% |
| Assay HPLC | ≥97.0% |
| m-aminophenol content | ≤0.25% |
| Version | To report |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
Identification
| Property | Value |
|---|---|
| CAS Number | 65-49-6 |
| Molecular Formula | C7H7NO3 |
| Molecular Weight | 153.14 |
| REACH Code | Y110 |
| Tariff Code | 29225000 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is 4-Aminosalicylic acid used for?
It is primarily used in the synthesis of pharmaceuticals, particularly as an intermediate in the production of antibiotics and anti-inflammatory drugs.
What is the chemical formula and molecular weight of 4-Aminosalicylic acid?
The formula is C7H7NO3 with a molecular weight of 153.14 g/mol.
How should 4-Aminosalicylic acid be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for 4-Aminosalicylic acid?
Available in research grade; specific technical or pharmaceutical grades may be available upon request.
Can Molekula supply 4-Aminosalicylic acid in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with an order of 4-Aminosalicylic acid?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
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