Hydroxylamine hydrochloride
Hydroxylamine hydrochloride (CAS: 5470-11-1), with the formula NH2OH·HCl and a molecular weight of 69.49 g/mol, is a versatile inorganic compound. It serves as a crucial reagent in organic synthesis, particularly for C-X bond formation. Additionally, it finds application as an enzyme inhibitor, notably in research involving monoamine oxidase and peroxidase enzymes. Tech Serve Solutions supplies this chemical with a minimum assay of 97.0%.
- IUPAC
- Hydroxylammonium chloride

Chemical Synthesis Reagent
Hydroxylamine hydrochloride is employed in various organic synthesis reactions, including the formation of C-X bonds. Its reducing properties make it valuable in specific chemical transformations.
Enzyme Inhibition Studies
This compound acts as an inhibitor for several enzymes, such as monoamine oxidase and peroxidases. It is used in biochemical research to understand enzyme mechanisms and regulation.
Biochemical Research
As a biochemical reagent, hydroxylamine hydrochloride is utilised in laboratory settings for a range of research applications, contributing to advancements in various scientific fields.
| Molecular weight | 69.49 |
|---|---|
| Linear formula | NH2OH · HCl |
| Assay | ≥97.0% |
| Density | 1.67 g/mL at 25 °C(lit.) |
| pH | 2.5-3.5 (25 °C, 50 mg/mL in H2O) |
| Melting point | 155-157 °C (dec.)(lit.) |




Hazard statements
- H290May be corrosive to metals
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H351Suspected of causing cancer
- H373May cause damage to organs through prolonged exposure
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| 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 2923 8/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | E,Xn,N |
| Risk statements (R) | 2-21/22-36/38-40-43-48/22-50 |
| Safety statements (S) | 36/37-61 |
| Cation traces | Ca: ≤10 mg/kgCd: ≤5 mg/kgCo: ≤5 mg/kgCr: ≤5 mg/kgCu: ≤5 mg/kgFe: ≤5 mg/kgK: ≤50 mg/kgMg: ≤5 mg/kgMn: ≤5 mg/kgNa: ≤50 mg/kgNi: ≤5 mg/kgPb: ≤5 mg/kgZn: ≤5 mg/kg |
| Anion traces | sulfate (SO42-): ≤50 mg/kg |
| Ignition residue | ≤0.05% (as SO4) |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Availability | available only in Japan |
|---|
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 Hydroxylamine hydrochloride used for?
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Hydroxylamine hydrochloride (CAS: 5470-11-1) is primarily used as a reagent in chemical synthesis, particularly for C-X bond formation, and as an inhibitor in biochemical and enzyme studies.
What are the CAS number and formula for Hydroxylamine hydrochloride?
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The CAS number is 5470-11-1, and the chemical formula is NH2OH·HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Hydroxylamine hydrochloride with a minimum assay of ≥97.0%. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the product specifications.
How should Hydroxylamine hydrochloride be handled safely?
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Hydroxylamine hydrochloride is harmful if swallowed or in contact with skin, causes skin and eye irritation, and may cause an allergic skin reaction, and is suspected of causing cancer and damage to organs through prolonged or repeated exposure. Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, must be used. Refer to the safety data sheet for comprehensive handling instructions.
Is Hydroxylamine hydrochloride available for export?
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Yes, Tech Serve Solutions exports Hydroxylamine hydrochloride globally. Please note that availability may vary by region, with specific mention of availability in Japan.
How can I request a sample or quote for Hydroxylamine hydrochloride?
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To request a sample or a quote, please contact our sales team through the website or provide your details via the product inquiry form.
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