N,N-Dimethylhydroxylamine hydrochloride
N,N-Dimethylhydroxylamine hydrochloride (CAS: 16645-06-0) is a white crystalline solid with the molecular formula (CH3)2NOH · HCl and a molecular weight of 97.54 g/mol. It is primarily employed as a versatile building block in organic synthesis and chemical research. Its utility extends to applications such as a polymer-chain terminator and in the intricate synthesis of complex organic molecules, making it a valuable reagent for laboratory and industrial processes.
- Synonyms
- (CH3)2NOH · HCl

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of various organic compounds, facilitating the creation of complex molecular structures.
Polymerisation Control
Functions as a polymer-chain terminator, enabling control over polymer molecular weight and properties during polymerisation processes.
Reagent in Complex Molecule Synthesis
Used in the preparation of specialised compounds, such as 4,4-dimethyl-2,5,5-triphenyl-1,3-dioxa-4-azonia-2-bora-5-boratacyclopentane, demonstrating its role in advanced chemical research.
| Molecular weight | 97.54 |
|---|---|
| Linear formula | (CH3)2NOH · HCl |
| Assay | 99% |
| Application | N,N-Dimethylhydroxylamine hydrochloride was used in the synthesis of 4,4-dimethyl-2,5,5-triphenyl-l.3-dioxa-4-azonia-2-bora-5-boratacyclopentane1. It was also used as a polymer-chain terminator. |
| Melting point | 107-109 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/38 |
| 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 N,N-Dimethylhydroxylamine hydrochloride used for?
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N,N-Dimethylhydroxylamine hydrochloride is used as a building block in organic synthesis, a polymer-chain terminator, and a reagent in the synthesis of complex organic molecules.
What are the CAS number and formula for N,N-Dimethylhydroxylamine hydrochloride?
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The CAS number is 16645-06-0 and the linear formula is (CH3)2NOH · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies N,N-Dimethylhydroxylamine hydrochloride with an assay of 99%. This product is intended for research and laboratory use and is not represented as USP, BP, or EP grade.
How should N,N-Dimethylhydroxylamine hydrochloride be handled?
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This compound is classified as a warning substance. It can cause skin irritation (H315) and serious eye irritation (H319). When handling, wear a dust mask type N95 (US), safety eyeshields, and gloves. In case of contact with eyes, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do, and continue rinsing (P305 + P351 + P338).
Is N,N-Dimethylhydroxylamine hydrochloride a controlled substance?
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Based on the provided data, N,N-Dimethylhydroxylamine hydrochloride is not indicated as a controlled substance.
How is N,N-Dimethylhydroxylamine hydrochloride shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, handling the packing and shipping of N,N-Dimethylhydroxylamine hydrochloride for international customers.
How can I request a sample or quote for N,N-Dimethylhydroxylamine hydrochloride?
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Please contact our sales department directly via our website or by phone to request a sample or a quotation for N,N-Dimethylhydroxylamine hydrochloride.
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