1,2,3,4-Tetraphenylnaphthalene
1,2,3,4-Tetraphenylnaphthalene (CAS: 751-38-2) is an organic compound with the formula C y0H y0(C y0H y0)4. This polycyclic aromatic hydrocarbon has a molecular weight of 432.55 g/mol. It is recognised for its role as a primary intermediate in photochemical reactions, particularly in the transformation of specific organometallic compounds. Tech Serve Solutions supplies this chemical for research and synthesis purposes.
- Synonyms
- 4-Tetraphenylnaphthalene751-38-2C10H4(C6H5)4

Photochemical Intermediate
The triplet excited-state of 1,2,3,4-Tetraphenylnaphthalene is a key intermediate in the photochemical transformation of 7,7′-dimethylgerma-1,4,5,6-tetraphenyl-2,3-benzonorbornadiene in solution.
Organic Synthesis Building Block
This compound serves as a valuable building block in organic synthesis, contributing to the construction of complex molecular architectures.
Research Chemical
Utilised in academic and industrial research settings for investigating novel chemical reactions and material properties.
| Molecular weight | 432.55 |
|---|---|
| Linear formula | C10H4(C6H5)4 |
| Assay | 97% |
| Application | The triplet excited-state of 1,2,3,4-tetraphenylnaphthalene is a primary intermediate of the photochemical transformation of 7,7′-dimethylgerma-1,4,5,6-tetraphenyl-2,3-benzo-norbornadiene (GNB) in hexane solution1. |
| Melting point | 199-201 °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 1,2,3,4-Tetraphenylnaphthalene used for?
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1,2,3,4-Tetraphenylnaphthalene is used as a primary intermediate in photochemical transformations and as a building block in organic synthesis for research purposes.
What are the CAS number and formula for 1,2,3,4-Tetraphenylnaphthalene?
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The CAS number is 751-38-2 and the molecular formula is C y0H y0(C y0H y0)4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2,3,4-Tetraphenylnaphthalene with an assay of 97%. This product is intended for research and industrial use and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should 1,2,3,4-Tetraphenylnaphthalene be handled?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust. Ensure adequate ventilation. This compound is classified as causing skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335).
Is 1,2,3,4-Tetraphenylnaphthalene a controlled substance?
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The provided data does not indicate that 1,2,3,4-Tetraphenylnaphthalene is a controlled substance.
How is 1,2,3,4-Tetraphenylnaphthalene shipped or exported?
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Tech Serve Solutions exports fine chemicals globally. Specific packaging and shipping details are provided upon order confirmation, adhering to international regulations.
How can I request a quote or sample?
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To request a quote or sample of 1,2,3,4-Tetraphenylnaphthalene, please contact our sales team via the website or direct email, providing your specific requirements.
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