Molekula
4-Aminosalicylic acid
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
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.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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100 g — £24.80 per pack
Need a different quantity or pack?
Tell us the quantity you actually need — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price, usually within one working day.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White or slightly yellow, or almost white to beige powder |
| Melting Point | 143°C |
| Water | ≤0.5% |
| Heavy metals | ≤30ppm |
| pH | 3.0 - 3.7 |
| Chloride (Cl-) | ≤0.042% |
| Residue on Ignition | ≤0.2% |
| Assay HPLC | ≥97.0% |
| m-aminophenol content | ≤0.25% |
| Version | To report |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
Identification
| Property | Value |
|---|---|
| SKU | 27215046 |
| CAS Number | 65-49-6 |
| Molecular Formula | C7H7NO3 |
| Molecular Weight | 153.14 |
| SMILES | C1=CC(=C(C=C1N)O)C(=O)O |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2922.50.5000 |
| Tariff Code | 2922500090 |
Safety & GHS
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Health Hazard
GHS07
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
- P302+P350 IF ON SKIN: Gently wash with soap and water
- P304+P341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+P313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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.
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?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.