Sodium 4-aminosalicylate dihydrate
Sodium 4-aminosalicylate dihydrate (CAS: 6018-19-5) is an aromatic compound with the empirical formula C7H6NNaO3 · 2H2O and a molecular weight of 211.15. This pale yellow crystalline powder finds application in chemical synthesis and research, particularly within chemical biology and peptide chemistry. It is supplied by Tech Serve Solutions for laboratory and industrial use.
- IUPAC
- 4-Amino-2-hydroxybenzoic acid sodium salt,4-Amino-salicylic acid sodium salt
- Synonyms
- 4-Amino-2-hydroxybenzoic acid sodium salt, 4-Amino-salicylic acid sodium salt

Chemical Synthesis Intermediate
This compound can serve as a building block in the synthesis of more complex organic molecules. Its functional groups allow for various chemical transformations.
Research and Development
Used in laboratory settings for exploring new chemical reactions and developing novel compounds. Its structure is relevant for studies in chemical biology and peptide chemistry.
Unnatural Amino Acid Derivatives
As an unnatural amino acid derivative, it may be employed in the development of specialized peptides or peptidomimetics with unique properties.
| Molecular weight | 211.15 |
|---|---|
| Empirical formula | C7H6NNaO3 · 2H2O |
| Assay | ≥97.0% (T) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sodium 4-aminosalicylate dihydrate used for?
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Sodium 4-aminosalicylate dihydrate is used in chemical synthesis, chemical biology, peptide chemistry, and as an unnatural amino acid derivative in research and development.
What is the CAS number and formula for Sodium 4-aminosalicylate dihydrate?
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The CAS number is 6018-19-5 and the empirical formula is C7H6NNaO3 · 2H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium 4-aminosalicylate dihydrate with an assay of ≥97.0% (T). We do not represent this product as USP, BP, or EP grade.
How should Sodium 4-aminosalicylate dihydrate be handled?
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Handle with appropriate personal protective equipment, including Eyeshields, Gloves, and a dust mask type N95 (US). Avoid breathing dust, ensure good ventilation, and wash hands thoroughly after handling. It may cause skin irritation (H315), eye irritation (H319), and respiratory irritation (H335).
Is Sodium 4-aminosalicylate dihydrate a controlled substance?
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Based on the provided data, there is no indication that Sodium 4-aminosalicylate dihydrate is a controlled substance.
How is this chemical packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Specific packaging details are confirmed upon order, and we comply with all relevant shipping regulations.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number.
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