Benzamide
Benzamide (CAS: 55-21-0) is an organic compound with the linear formula C₆H₅CONH₂ and a molecular weight of 121.14 g/mol. This white crystalline solid is classified as an amide and serves as a valuable building block in chemical synthesis. Its applications span various research areas, including the study of photocatalytic decomposition and biotransformation mechanisms.
- IUPAC
- Benzoic acid amide
- Synonyms
- Benzoic acid amideBenzoyl amine

Photocatalytic Decomposition Studies
Benzamide has been utilised as a model compound to investigate the mechanism of photocatalytic decomposition of aqueous solutions containing acetic acid, acetamide, and acetonitrile in the presence of semiconductor materials.
Biotransformation Screening
The compound was employed in the development of a robust screening method designed to study biotransformations, specifically utilising the (+)-γ-lactamase enzyme for enzymatic assays.
Chemical Synthesis Intermediate
As a fundamental organic building block, Benzamide is integral to various chemical synthesis pathways within academic research and industrial development.
| Molecular weight | 121.14 |
|---|---|
| Linear formula | C6H5CONH2 |
| Assay | ≥99.5% |
| Application | Benzamide was used to study the mechanism of photocatalytic decomposition of aqueous solution of acetic acid, acetamide and acetonitrile in the presence of semiconductors1. It was used to develop a robust screening method to study biotransformations using (+)-γ-lactamase enzyme2. |
| Melting point | 125-128 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H341Suspected of causing genetic defects
Precautionary statements
- P281Use personal protective equipment as required
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 180 °C / 356 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-68 |
| Safety statements (S) | 36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... PARP1(142) |
|---|---|
| Purified By | sublimation |
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 Benzamide used for?
+
Benzamide is used in research for studying photocatalytic decomposition mechanisms and for developing biotransformation screening methods using enzymes like (+)-γ-lactamase.
What is the CAS number and chemical formula for Benzamide?
+
The CAS number for Benzamide is 55-21-0, and its linear chemical formula is C₆H₅CONH₂.
What grade and purity does Tech Serve Solutions supply for Benzamide?
+
Tech Serve Solutions supplies Benzamide with a purity of ≥99.5%, purified by sublimation. We do not represent this product as USP, BP, or EP grade.
What are the main safety hazards associated with Benzamide?
+
Benzamide is classified with GHS07 and GHS08 symbols, bearing the signal word 'Warning' and hazard statements H302 (Harmful if swallowed) and H341 (Suspected of causing genetic defects). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used during handling.
How is Benzamide packed, shipped, and exported?
+
Benzamide is carefully packed to ensure stability during transit. As a global supplier, Tech Serve Solutions exports chemicals worldwide, adhering to all relevant shipping regulations.
How can I request a sample or quote for Benzamide?
+
To request a sample or a detailed quote for Benzamide, please contact our sales department via the website or direct email, specifying your requirements.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis