2-Hydroxyimino-2-phenylacetonitrile, mixture of syn and anti
2-Hydroxyimino-2-phenylacetonitrile, mixture of syn and anti (CAS: 825-52-5) is a chemical compound with the linear formula C6H5C(=NOH)CN and a molecular weight of 146.15 g/mol. This oxime derivative serves as a versatile building block in organic synthesis. It is primarily utilised in the development of novel compounds and complex molecules within the chemical and pharmaceutical industries.
- Synonyms
- C6H5C(=NOH)CN

Organic Synthesis Intermediate
Utilised as a key intermediate in the construction of more complex organic molecules. Its functional groups allow for diverse chemical transformations.
Pharmaceutical Research
Serves as a building block in the discovery and synthesis of new pharmaceutical agents and active pharmaceutical ingredients (APIs).
Chemical Development
Employed in the research and development of new chemical entities and fine chemicals for various industrial applications.
| Molecular weight | 146.15 |
|---|---|
| Linear formula | C6H5C(=NOH)CN |
| Assay | 97% |
| Melting point | 128-130 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| 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 2-Hydroxyimino-2-phenylacetonitrile used for?
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This compound is primarily used as a building block and intermediate in organic synthesis, particularly within pharmaceutical research and chemical development.
What are the CAS number and formula for this product?
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The CAS number is 825-52-5 and the linear formula is C6H5C(=NOH)CN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product at an assay of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should 2-Hydroxyimino-2-phenylacetonitrile be handled safely?
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This compound is classified as harmful if swallowed, in contact with skin, or if inhaled, and causes skin and eye irritation, and may cause respiratory irritation. Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be used. Handle in a well-ventilated area. Refer to the Safety Data Sheet for full details.
Is this product controlled or scheduled?
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Based on the provided data, there is no indication that this product is a controlled or scheduled substance.
How is this chemical packed and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, capable of handling international shipments. Specific packaging details will be provided upon request.
How can I request a quote or sample?
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To request a quote or sample, please contact the Tech Serve Solutions sales team directly through our website or by phone.
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