trans-β-Nitrostyrene
trans-β-Nitrostyrene (CAS 5153-67-3), with the linear formula C<sub>6</sub>H<sub>5</sub>CH=CHNO<sub>2</sub> and a molecular weight of 149.15 g/mol, is a valuable organic building block. This nitroalkene is recognised for its utility in organic synthesis, particularly in Michael additions and cycloaddition reactions. Its characteristic reactivity makes it a key intermediate in the preparation of various complex organic molecules, finding application in research and development settings for novel compound synthesis.
- IUPAC
- trans-1-Nitro-2-phenylethylene,trans-beta-Nitrostyrene
- Synonyms
- trans-1-Nitro-2-phenylethylenetrans-beta-Nitrostyrene

Organic Synthesis Intermediate
Utilised as a versatile building block in the synthesis of complex organic molecules. Its nitroalkene functionality readily participates in conjugate additions and cycloaddition reactions, enabling the construction of diverse molecular scaffolds.
Pharmaceutical Research
Serves as a precursor in the development of novel pharmaceutical agents. Its reactive nature allows for the introduction of specific functional groups required for potential therapeutic compounds.
Materials Science
Can be employed in the synthesis of functionalised polymers or organic materials where the nitro group or the styrene moiety can impart specific properties.
| Molecular weight | 149.15 |
|---|---|
| Linear formula | C6H5CH=CHNO2 |
| Assay | 99% |
| Boiling point | 250-260 °C(lit.) |
| Storage temperature | 2-8°C |
| Melting point | 55-58 °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) | 26-36 |
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 trans-β-Nitrostyrene used for?
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trans-β-Nitrostyrene is primarily used as a versatile building block in organic synthesis, particularly in the preparation of complex organic molecules and intermediates for pharmaceutical research and materials science.
What is the CAS number and chemical formula for trans-β-Nitrostyrene?
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The CAS number for trans-β-Nitrostyrene is 5153-67-3, and its linear chemical formula is C<sub>6</sub>H<sub>5</sub>CH=CHNO<sub>2</sub>.
What grade and purity does Tech Serve Solutions supply for trans-β-Nitrostyrene?
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Tech Serve Solutions supplies trans-β-Nitrostyrene with a minimum assay of 99%. This product is typically supplied for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the primary hazards associated with trans-β-Nitrostyrene?
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trans-β-Nitrostyrene is classified with GHS07 symbol and a 'Warning' signal word. It carries hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment including eyeshields, gloves, and a dust mask type N95 (US) should be used during handling.
How is trans-β-Nitrostyrene shipped and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter of fine chemicals since 1998, handles the packing and export of trans-β-Nitrostyrene in compliance with all relevant international shipping regulations. Please contact us for specific logistical details.
How can I request a sample or quote for trans-β-Nitrostyrene?
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To request a sample or obtain a quote for trans-β-Nitrostyrene, please contact the Tech Serve Solutions sales team through our website or by phone. Our experts will be pleased to assist you with your requirements.
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