N-Boc-1,2-phenylenediamine
N-Boc-1,2-phenylenediamine (CAS: 146651-75-4) is an organic compound with the molecular formula C11H16N2O2. This protected diamine serves as a valuable building block in organic synthesis, particularly in the preparation of heterocyclic compounds and complex molecules. Its protected amine functionality allows for selective reactions, making it a useful intermediate in the fine chemical and pharmaceutical industries.
- IUPAC
- (2-Aminophenyl)-carbamic acid tert-butyl ester,Mono-N-Boc-o-phenylenediamine
- Synonyms
- (2-Aminophenyl)-carbamic acid tert-butyl esterMono-N-Boc-o-phenylenediamine

Heterocyclic Compound Synthesis
This compound is frequently employed as a precursor in the synthesis of various nitrogen-containing heterocycles, which are core structures in many pharmaceutical agents.
Pharmaceutical Intermediate
Its structure lends itself to the development of advanced pharmaceutical intermediates, facilitating the creation of novel drug candidates.
Organic Synthesis Building Block
As a protected diamine, it enables controlled chemical transformations, acting as a versatile synthon in multi-step organic synthesis pathways.
| Molecular weight | 208.26 |
|---|---|
| Empirical formula | C11H16N2O2 |
| Assay | 95% |
| Melting point | 109-114 °C |

Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-43 |
| Safety statements (S) | 36/37 |
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-Boc-1,2-phenylenediamine used for?
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N-Boc-1,2-phenylenediamine is primarily used as a building block in organic synthesis, particularly for the preparation of heterocyclic compounds and pharmaceutical intermediates.
What is the CAS number and formula for N-Boc-1,2-phenylenediamine?
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The CAS number is 146651-75-4 and the molecular formula is C11H16N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies N-Boc-1,2-phenylenediamine with an assay of 95%. This product is not represented as USP, BP, EP, or any pharmacopoeia grade.
How should N-Boc-1,2-phenylenediamine be handled?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, faceshields, and gloves. It is classified as harmful if swallowed (H302) and may cause an allergic skin reaction (H317).
Is N-Boc-1,2-phenylenediamine a controlled substance?
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The provided data does not indicate that N-Boc-1,2-phenylenediamine is a controlled substance.
How is N-Boc-1,2-phenylenediamine packed and shipped?
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Products are packed and exported according to international shipping regulations for chemical compounds.
How can I request a sample or quote?
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To request a sample or a quote for N-Boc-1,2-phenylenediamine, please contact our sales team via the website or direct enquiry channels.
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