Phenylglyoxal monohydrate
Phenylglyoxal monohydrate (CAS: 1074-12-0) is a crystalline organic compound with the linear formula C<sub>6</sub>H<sub>5</sub>COCHO · H<sub>2</sub>O and a molecular weight of 152.15 g/mol. This versatile chemical functions as a valuable building block in organic synthesis, particularly within the realm of carbonyl compounds. Its primary utility lies in its reactivity for creating more complex molecular structures, making it a key intermediate in various chemical research and development applications.

Organic Synthesis Intermediate
Phenylglyoxal monohydrate serves as a crucial intermediate in the synthesis of diverse organic molecules. Its dicarbonyl functionality allows for participation in various condensation and cyclization reactions, facilitating the construction of complex heterocyclic systems and other valuable organic frameworks.
Chemical Research and Development
This compound is frequently employed in academic and industrial research laboratories for exploring novel synthetic pathways and developing new chemical entities. Its well-defined structure and reactivity make it a reliable reagent for method development and proof-of-concept studies.
Building Block for Specialty Chemicals
As an organic building block, phenylglyoxal monohydrate contributes to the synthesis of specialty chemicals. It can be incorporated into larger molecules to impart specific properties or functionalities required for advanced materials or niche applications.
| Molecular weight | 152.15 |
|---|---|
| Linear formula | C6H5COCHO · H2O |
| Assay | ≥97.0% (GC) |
| Impurities tested | ≤1% phenylglyoxylic acid |
| Melting point | ~76 °C |

Hazard statements
- H302Harmful if swallowed
- 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) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 22-26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Quality | crystallized |
|---|
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 Phenylglyoxal monohydrate used for?
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Phenylglyoxal monohydrate is used as an intermediate in organic synthesis and as a building block in chemical research and development for creating complex organic molecules and specialty chemicals.
What is the CAS number and formula for Phenylglyoxal monohydrate?
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The CAS number for Phenylglyoxal monohydrate is 1074-12-0. Its linear formula is C 6 H 5 COCHO · H 2 O, and its molecular weight is 152.15 g/mol.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phenylglyoxal monohydrate as crystallized with an assay of ≥97.0% (GC). Impurities are ≤1% phenylglyoxylic acid. TSS does not represent this product as USP, BP, or EP grade.
How should Phenylglyoxal monohydrate be handled safely?
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Phenylglyoxal monohydrate is harmful if swallowed, causes skin irritation, causes serious eye irritation, and may cause respiratory irritation (H302-H315-H319-H335). When handling, use a dust mask type N95 (US), wear eyeshields and gloves, and avoid breathing dust (P261-P305 + P351 + P338).
How is Phenylglyoxal monohydrate packed, shipped, and exported?
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Phenylglyoxal monohydrate is carefully packed to ensure stability during transit. As a global supplier, Tech Serve Solutions expertly handles the complexities of international shipping and export regulations for this chemical.
How can I request a sample or a quote for Phenylglyoxal monohydrate?
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To request a sample or a quote for Phenylglyoxal monohydrate, please contact our sales department through the website or by phone, providing your contact details and desired quantity.
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