O-Tritylhydroxylamine
O-Tritylhydroxylamine (CAS: 31938-11-1) is an organic building block with the linear formula (C6H5)3CONH2 and a molecular weight of 275.34 g/mol. This compound serves as a valuable intermediate in organic synthesis. It is particularly useful for introducing the trityloxyamino group in various chemical transformations, contributing to the construction of complex organic molecules.
- IUPAC
- O-(Triphenylmethyl)hydroxylamine,Trityloxyamine
- Synonyms
- O-(Triphenylmethyl)hydroxylamineTrityloxyamine

Organic Synthesis Intermediate
O-Tritylhydroxylamine functions as a key building block in the synthesis of diverse organic compounds. Its structure allows for selective functionalization in multi-step synthetic routes.
Protecting Group Chemistry
The trityl group provides a stable yet cleavable protecting group for hydroxylamines, facilitating controlled reactions in complex molecular assemblies.
Specialty Chemical Synthesis
Used in the development and production of fine chemicals and advanced intermediates where specific nitrogen-containing functionalities are required.
| Molecular weight | 275.34 |
|---|---|
| Linear formula | (C6H5)3CONH2 |
| Assay | 95% |
| Melting point | 79-81 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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-Tritylhydroxylamine used for?
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O-Tritylhydroxylamine is primarily used as a building block in organic synthesis and for introducing the trityloxyamino group in chemical transformations.
What are the CAS number and formula for O-Tritylhydroxylamine?
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The CAS number for O-Tritylhydroxylamine is 31938-11-1 and its linear formula is (C6H5)3CONH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies O-Tritylhydroxylamine with an assay of 95%. This compound is supplied for research and development purposes and TSS does not represent it as USP, BP, EP, or any other pharmacopoeia grade.
How should O-Tritylhydroxylamine be handled safely?
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O-Tritylhydroxylamine is a Warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with a dust mask type N95 (US), eyeshields, and gloves in a well-ventilated area. Avoid breathing dust.
Is O-Tritylhydroxylamine a controlled substance?
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Based on the provided data, O-Tritylhydroxylamine is not listed as a controlled substance.
How is O-Tritylhydroxylamine packed and shipped?
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O-Tritylhydroxylamine is carefully packed according to international shipping regulations to ensure safe transit. TSS exports globally to meet diverse research and industrial needs.
How can I request a quote or sample for O-Tritylhydroxylamine?
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To request a quote or sample, please contact our sales team via the 'Request a Quote' or 'Request a Sample' buttons on our website.
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