1-(Chloromethyl)naphthalene
1-(Chloromethyl)naphthalene (CAS 86-52-2), with the molecular formula C10H7CH2Cl, is a halogenated aromatic hydrocarbon. This technical grade compound, assaying at 90%, appears as a deep brown liquid. It serves as a valuable building block and intermediate in organic synthesis, particularly within the C9 to C12 molecular weight range. Its chemical structure lends itself to various applications in chemical manufacturing and research laboratories.
- IUPAC
- 1-Naphthylmethyl chloride

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of more complex organic molecules. Its reactive chloromethyl group allows for facile functionalisation in various chemical transformations.
Aryl Building Block
Serves as an essential building block for introducing the 1-naphthylmethyl moiety into target compounds. This is valuable in the development of new materials and pharmaceuticals.
Research and Development
Employed in research laboratories for exploring novel chemical reactions and developing new synthetic methodologies. Its specific structure facilitates studies in medicinal chemistry and materials science.
| Molecular weight | 176.64 |
|---|---|
| Linear formula | C10H7CH2Cl |
| Assay | 90% |
| Grade | technical |
| Colour | deep brown |
| Boiling point | 167-169 °C/25 mmHg(lit.) |
| Density | 1.18 g/mL at 25 °C(lit.) |
| Melting point | 32 °C(lit.) |
| Refractive index | n20/D 1.635(lit.) |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 21/22-34 |
| Safety statements (S) | 26-36/37/39-45 |
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-(Chloromethyl)naphthalene used for?
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1-(Chloromethyl)naphthalene is primarily used as an intermediate and building block in organic synthesis, particularly in the development of pharmaceuticals and novel materials, and for general chemical research.
What are the CAS number and molecular formula for 1-(Chloromethyl)naphthalene?
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The CAS number for 1-(Chloromethyl)naphthalene is 86-52-2, and its molecular formula is C10H7CH2Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-(Chloromethyl)naphthalene in technical grade with an assay of 90%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 1-(Chloromethyl)naphthalene be handled safely?
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1-(Chloromethyl)naphthalene is a Danger hazard; it is harmful if swallowed and in contact with skin, and causes severe skin burns and eye damage (H302-H312-H314). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection (e.g., N100), must be worn. Handle in a well-ventilated area and follow stringent safety protocols.
How is 1-(Chloromethyl)naphthalene packed and shipped?
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1-(Chloromethyl)naphthalene is classified as UN 3261, Class 8, Packing Group II, for transport. It is carefully packed according to international regulations for hazardous materials, ensuring safe export worldwide.
How can I request a quote or sample for 1-(Chloromethyl)naphthalene?
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To request a quote or a sample of 1-(Chloromethyl)naphthalene, please contact our sales team via the website or direct email, providing your specific requirements.
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