2,5-lutidine

pyridine, 2,5-dimethyl-

CAS: 589-93-5 C7 H9 N MW: 107.15573000 roasted

Identification

Name	2,5-lutidine
IUPAC	2,5-dimethylpyridine
CAS Number	589-93-5
EINECS	209-666-9
FDA UNII	6L09RM76RH
Molecular Formula	C7 H9 N
Molecular Weight	107.15573000
MDL Number	MFCD00006343
Nikkaji Number	J6.752K

Regulatory

Physical Properties

Appearance	colorless to pale yellow clear liquid (est)
Assay	95.00 to 100.00
Food Chemicals Codex Listed	No
Specific Gravity	0.93000 to 0.93200 @ 20.00 °C.
Pounds per Gallon - (est).	7.748 to 7.764
Refractive Index	1.50000 to 1.50200 @ 20.00 °C.
Boiling Point	157.00 °C. @ 760.00 mm Hg, 158.00 °C. @ 760.00 mm Hg (est)
Vapor Pressure	3.360000 mmHg @ 25.00 °C.
Flash Point	118.00 °F. TCC ( 47.80 °C. ) (est)
logP (o/w)	1.708 (est)
Soluble in	alcohol
Insoluble in	water

Organoleptic Properties

Taste Description

roasted green earthy

Safety Information

Preferred SDS	View
Oral/Parenteral Toxicity	oral-rat LD50 800 mg/kg
Dermal Toxicity	Not determined
Inhalation Toxicity	Not determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Category	natural substances and extractives
Recommendation for 2,5-lutidine usage levels up to	not for fragrance use.
Recommendation for 2,5-lutidine flavor usage levels up to	not for flavor use.

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Potential Uses

None Found

Natural Occurrence

tea leaf

Synonyms

2,5- dimethyl pyridine 2,5- dimethylpyridine pyridine, 2,5-dimethyl- US Patents: 3,931,166 - Certain 2,5-dimethyl-3-thiopyrazines PubMed: Spectroscopic properties, NLO, HOMO-LUMO and NBO analysis of 2,5-Lutidine. US Patents: Flavoring agent PubMed: Adsorption mechanism of substituted pyridines on silica suspensions: an NMR study. PubMed: Kinetics of CO binding to the haem domain of murine inducible nitric oxide synthase: differential effects of haem domain ligands. PubMed: N-donor effects on carboxylate binding in mononuclear iron(II) complexes of a sterically hindered benzoate ligand. PubMed: [The biological effect and hygienic importance of alpha-picoline and 2,5-lutidine as water pollutants].