O-Phenylhydroxylamine hydrochloride
O-Phenylhydroxylamine hydrochloride (CAS: 6092-80-4, C6H5ONH2·HCl) is an organic compound with a molecular weight of 145.59 g/mol. It is a valuable intermediate and building block in organic synthesis, particularly for the preparation of nitrogen-containing heterocyclic compounds and other complex molecules. Supplied by TSS with an assay of ≥97.0%, it is suitable for research and chemical synthesis applications.
- IUPAC
- Phenoxyamine hydrochloride
- Synonyms
- Phenoxyamine hydrochloride

Organic Synthesis Intermediate
O-Phenylhydroxylamine hydrochloride serves as a key building block in the synthesis of various organic molecules. Its reactivity allows for the introduction of specific functional groups, making it useful in multi-step synthetic pathways.
Heterocyclic Compound Preparation
This compound is employed in the construction of nitrogen-containing heterocyclic systems. These structures are prevalent in pharmaceuticals, agrochemicals, and materials science.
Research and Development
It is utilised in R&D settings for exploring new synthetic routes and developing novel chemical entities. Its well-defined properties facilitate predictable reactions in laboratory environments.
| Molecular weight | 145.59 |
|---|---|
| Linear formula | C6H5ONH2 · HCl |
| Assay | ≥97.0% (AT) |
| Storage temperature | 2-8°C |
| Melting point | ~132 °C (dec.) |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 45 |
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 O-Phenylhydroxylamine hydrochloride used for?
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O-Phenylhydroxylamine hydrochloride is primarily used as a building block and intermediate in organic synthesis, particularly for creating nitrogen-containing heterocyclic compounds and in research and development activities.
What are the CAS number and formula for O-Phenylhydroxylamine hydrochloride?
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The CAS number is 6092-80-4 and the chemical formula is C6H5ONH2·HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies O-Phenylhydroxylamine hydrochloride with an assay of ≥97.0% (AT). This product is intended for laboratory and chemical synthesis use and is not represented as USP, BP, or EP grade.
What are the main safety hazards associated with O-Phenylhydroxylamine hydrochloride?
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O-Phenylhydroxylamine hydrochloride is classified as acutely toxic if swallowed (H301) and carries the GHS06 symbol with a Danger signal word. Appropriate personal protective equipment, including eyeshields, face shields, gloves, and P2 respirator cartridges, should be used.
How is O-Phenylhydroxylamine hydrochloride packed and shipped?
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O-Phenylhydroxylamine hydrochloride is packed in compliance with international regulations for hazardous materials, including UN 2811 classification for transport. TSS offers global export services.
How can I request a quote or sample?
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To request a quote or a sample of O-Phenylhydroxylamine hydrochloride, please contact our sales team through the TSS website or by phone.
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