O-Allylhydroxylamine hydrochloride hydrate
O-Allylhydroxylamine hydrochloride hydrate (CAS 206557-03-1) is an organic building block supplied by Tech Serve Solutions. Its linear formula is H ₂ C=CHCH ₂ ONH ₂ ·HCl·xH ₂ O, with a molecular weight of 109.55 on an anhydrous basis. This compound is primarily used in chemical synthesis, specifically for the preparation of various organic intermediates and compounds, serving as a versatile reagent for researchers and chemical manufacturers.

Organic Synthesis Intermediate
O-Allylhydroxylamine hydrochloride hydrate serves as a key intermediate in organic synthesis. It has been utilised in the preparation of compounds such as acetophenone O-allyloxime.
Preparation of Oximes
The compound is instrumental in the synthesis of various oxime derivatives. For instance, it facilitates the preparation of O-allyloximes, which are valuable in further synthetic transformations.
Reagent for Hydroxylamine Derivatives
This chemical is employed in synthesising specific hydroxylamine derivatives, such as O-allyl-N-(2-trimethylsilylethoxycarbonyl)-hydroxylamine, a useful reagent in advanced organic chemistry.
| Molecular weight | 109.55 (anhydrous basis) |
|---|---|
| Linear formula | H2C=CHCH2ONH2·HCl·xH2O |
| Assay | 97% |
| Solubility | methanol: soluble25 mg/mL, clear, colorless |
| Application | O-Allylhydroxylamine hydrochloride hydrate has been used in the preparation of acetophenone O-allyloxime1 and O-allyI-N-(2-trimethylsilylethyloxycarbonyl)-hydroxylamine2. |
| Melting point | 175 °C (dec.)(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3263 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-28-36/37/39-45 |
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-Allylhydroxylamine hydrochloride hydrate used for?
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O-Allylhydroxylamine hydrochloride hydrate is used as a building block in chemical synthesis, notably for preparing acetophenone O-allyloxime and O-allyl-N-(2-trimethylsilylethoxycarbonyl)-hydroxylamine.
What is the CAS number and formula for O-Allylhydroxylamine hydrochloride hydrate?
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The CAS number is 206557-03-1 and the linear formula is H ₂ C=CHCH ₂ ONH ₂ ·HCl·xH ₂ O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies O-Allylhydroxylamine hydrochloride hydrate with a minimum assay of 97%. TSS does not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should O-Allylhydroxylamine hydrochloride hydrate be handled safely?
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This compound is classified as corrosive (Danger, H314) and requires strict safety protocols. Handling should involve eye protection, face shields, chemical-resistant gloves, and appropriate respiratory protection (e.g., N100 or P3 filters). Refer to the Safety Data Sheet for comprehensive guidance.
Is O-Allylhydroxylamine hydrochloride hydrate suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including O-Allylhydroxylamine hydrochloride hydrate, adhering to all relevant shipping regulations.
How can I request a quote or sample?
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To request a quote or a sample of O-Allylhydroxylamine hydrochloride hydrate, please contact our sales team through the website or by direct inquiry.
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