(2-Chloropyridin-3-yl)methanol

CAS No.

42330-59-6

Synonyms

2-Chloro-3-pyridinemethanol; 2-Chloro-3-(hydroxymethyl)pyridine

Molecular formula

C6H6ClNO

Molecular weight

143.57 g/mol

Grade

Reagent grade

Packaging

Sealed PE bag / Fiber drum with PE liner

Chemical Product Description & Applications

(2-Chloropyridin-3-yl)methanol is a bifunctional pyridine building block combining an aromatic chlorine with a primary alcohol. The alcohol supports oxidation or conversion into a side-chain leaving group, while the activated chloropyridine position can participate in nucleophilic substitution. These functions allow the ring substituent and the one-carbon side chain to be elaborated separately.

The selected material is the hydroxymethyl compound rather than the corresponding aldehyde or chloromethyl derivative. Its primary alcohol provides access to both oxidation-state changes and side-chain substitution chemistry. The pyridine nitrogen also changes the electronic character of the aromatic ring compared with a chlorobenzyl alcohol. This arrangement supports construction of substituted pyridines in which the two neighboring positions perform different synthetic roles.

Typical Applications

  • Pyridylmethyl amine intermediates: Used in routes that activate the hydroxymethyl group and replace it with a nitrogen nucleophile, generating aminomethyl-substituted pyridines while retaining the ring chlorine for later conversion.
  • Chloropyridine carbaldehyde preparation: Used as an alcohol precursor for oxidation to a formylpyridine, introducing a carbonyl handle for condensation or reductive-amination steps in downstream synthesis.

Specifications

Parameter Specification Test Method
Appearance Solid; color consistent with the reference sample Visual inspection
Identification Consistent with authenticated reference FTIR fingerprint comparison
Chromatographic purity ≥98.0 area% HPLC with suitable UV or CAD detection
Total organic impurities ≤2.0 area% HPLC, area normalization
Largest individual impurity ≤1.0 area% HPLC, area normalization
Water ≤1.0% w/w Karl Fischer titration

Specifications describe the standard grade. Tolerance, test method and documentation package are confirmed per order.

Documents & Handling

Packaging

Sealed PE bag / Fiber drum with PE liner

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TDS

Technical Data Sheet

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SDS

Safety Data Sheet

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