Product Brief‑ 2‑Chlorobenzonitrile
CAS No: 873‑32‑5
EINECS: 212‑836‑5
Synonyms: o‑Chlorobenzonitrile, OCBN, 2‑Chlorocyanobenzene
Molecular Formula: C₇H₄ClN
Molecular Weight: 137.57
Basic Information
2‑Chlorobenzonitrile is an important aromatic nitrile fine‑chemical intermediate, white‑to‑light‑yellow crystalline solid. It contains reactive cyano‑group and ortho‑chloro substituent, widely applied in organic synthesis for dyes, pharmaceuticals, agrochemicals and other high‑value fine chemicals.
Physico‑Chemical Properties
Appearance White to light‑yellow crystalline / needle‑shaped powder
Melting point 43‑46 ℃
Boiling point 232 ℃
Flash point 108 ℃
Density (25 ℃) 1.18 g/cm³
Solubility Practically insoluble in water; soluble in ethanol, ether, THF and other organic solvents
Stability Stable under normal temperature; avoid contact with strong oxidizing agents, strong bases
Quality Specification (Industrial Grade)
| Test Items | Specification |
|---|---|
| Appearance | White‑light yellow crystalline powder |
| 2‑Chlorobenzonitrile (GC) | ≥99.0 % |
| Moisture | ≤0.10 % |
| Melting range | 43‑46 ℃ |
| Residue on ignition | ≤0.20 % |
| Single unknown impurity | ≤0.30 % |
Note: Higher‑purity grade available upon customer requirement.
Application & Uses
Dye intermediate: Key raw material for manufacturing 2‑cyano‑4‑nitroaniline and other dye intermediates.
Pharmaceutical intermediate: Building‑block for synthesis of multiple pharmaceutical molecules.
Agrochemical intermediate: Used for preparation of pesticide active ingredients.
Other fine chemicals: Raw material for metal corrosion inhibitors and special organic synthesis derivatives.
Packaging
‑ Standard export: 25 kg net, inner PE liner bag + outer fibre drum / compound paper bag.
‑ Lab sample: 1 kg / 5 kg sealed plastic bottle.
‑ Marking: Product name, CAS No., batch No., production date, gross/net weight on package surface.
Storage & Transportation
‑ Hazard statement: Harmful if swallowed; irritant to eyes, skin and respiratory tract.
‑ Transportation: General solid chemical goods. Keep packages intact, avoid moisture, rain and mechanical damage. Do not ship together with strong oxidants and strong alkalis. Prevent dust generation.
‑ Storage: Store in cool, dry and well‑ventilated warehouse. Keep containers tightly closed. Keep away from heat and fire sources. Separated storage from oxidants and bases.
‑ Recommended storage temperature: 10‑30 ℃.
‑ Shelf‑life: 12 months under original sealed packaging.
‑ Handling reminder: Wear dust‑proof mask, chemical‑resistant gloves and safety goggles, avoid dust inhalation and skin‑eye contact.
Disclaimer: All above data represent typical values only, not product warranty. End‑users shall verify suitability for their own process.
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