2,4,6-Trihydroxybenzoic acid monohydrate
2,4,6-Trihydroxybenzoic acid monohydrate (CAS: 71989-93-0), with the empirical formula C7H6O5 · H2O and a molecular weight of 188.13 g/mol, is a valuable organic compound. It functions as a key building block and intermediate in various chemical syntheses. This compound is recognised for its utility in organic chemistry research and development, contributing to the creation of more complex molecular structures.
- IUPAC
- Phloroglucinolcarboxylic acid
- Synonyms
- 71989-93-0C7H6O5 · H2OPhloroglucinolcarboxylic acid

Organic Synthesis Intermediate
Serves as a crucial intermediate in the synthesis of diverse organic molecules. Its polyhydroxylated aromatic structure makes it suitable for reactions involving derivatisation and functional group manipulation.
Research and Development
Utilised in laboratory settings for academic and industrial research. Its properties lend themselves to exploring new reaction pathways and developing novel chemical entities.
Building Block for Complex Molecules
Acts as a fundamental building block for constructing more intricate organic compounds. It is particularly useful in medicinal chemistry and materials science research.
| Molecular weight | 188.13 |
|---|---|
| Empirical formula | C7H6O5 · H2O |
| Assay | ≥90% (T) |
| Grade | technical |
| Melting point | 205 °C |

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 |
| Ignition residue | ~0.5% |
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 2,4,6-Trihydroxybenzoic acid monohydrate typically used for?
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2,4,6-Trihydroxybenzoic acid monohydrate is typically used as a building block and intermediate in organic synthesis and in research and development settings.
What are the CAS number and formula for 2,4,6-Trihydroxybenzoic acid monohydrate?
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The CAS number is 71989-93-0, and the empirical formula is C7H6O5 · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4,6-Trihydroxybenzoic acid monohydrate in technical grade with an assay of ≥90% (T). We do not represent this product as USP, BP, or EP grade.
How should 2,4,6-Trihydroxybenzoic acid monohydrate be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust and ensure good ventilation. This compound is an irritant to the skin, eyes, and respiratory tract (H315, H319, H335).
Is 2,4,6-Trihydroxybenzoic acid monohydrate packed and shipped internationally?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals and can provide this compound to customers worldwide.
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 (71989-93-0).
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