C7H9N
107.15 g/mol
Pharmaceutical IntermediateWarning
2,5-DIMETHYLPYRIDINE
CAS589-93-5EC209-666-9
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2,5-Dimethylpyridine is a dimethyl derivative of pyridine, commonly referred to by the trivial name lutidine. It was first identified in Dippel's oil and exhibits chemical properties similar to pyridine, though the methyl groups can influence its reactivity.
pharmaceutical intermediate
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Safety Reference
Warning
H226Flammable liquid and vapour
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 2,5-DIMETHYLPYRIDINE (CAS 589-93-5) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2,5-dimethylpyridine
InChIKey
XWKFPIODWVPXLX-UHFFFAOYSA-N
SMILES
CC1=CN=C(C=C1)C
Synonyms (4)
- 2,5-DIMETHYLPYRIDINE
- 2,5-Lutidine
- 5-methyl-2-methylpyridine
- Pyridine, 2,5-dimethyl-
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