CAS No.13603-44-6,4-Hydroxy-2,6-dimethylpyridine Suppliers

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Basic Information

Molecular Structure:
CAS No.:	13603-44-6
Name:	4-Hydroxy-2,6-dimethylpyridine
Article Data:	24

Formula:	C₇H₉NO
Molecular Weight:	123.155
Synonyms:	2,6-Dimethyl-4-pyridinol;4-Hydroxy-2,6-dimethylpyridine;4-Hydroxy-2,6-lutidine;NSC 111932;
EINECS:	237-089-2
Density:	1.013 g/cm³
Melting Point:	230-232 °C
Boiling Point:	205.4 °C at 760 mm
Flash Point:	93.1 °C
Appearance:	yellow to brown cryst
Hazard Symbols:	Xi
Risk Codes:	36/37/38
Safety:	26-36
PSA:	33.12000
LogP:	1.40400

Synthetic route

: 520-45-6
Dehydracetic acid

: 13603-44-6
2,6-dimethylpyridin-4-ol

Conditions

Conditions	Yield
With ammonia In water at 120℃; for 0.333333h; Microwave irradiation;	100%
With ammonia In water at 120℃; for 0.333333h; Microwave irradiation;	100%
With ammonia In water at 120℃; for 0.333333h; microwave irradiation;	100%

: 5093-70-9
4-bromo-2,6-dimethylpyridine

: 13603-44-6
2,6-dimethylpyridin-4-ol

Conditions

Conditions	Yield
With syn-benzaldehyde oxime; N1,N2-bis(thiophen-2-ylmethyl)oxalamide; caesium carbonate; copper(l) chloride In dimethyl sulfoxide at 80℃; for 20h; Reagent/catalyst; Temperature; Glovebox; Schlenk technique; Sealed tube; Inert atmosphere;	50%

: 1004-36-0
2,6-dimethylpyrone

: 13603-44-6
2,6-dimethylpyridin-4-ol

Conditions

Conditions	Yield
With ammonium hydroxide at 100℃;
With ammonia at 25℃;
With ammonium hydroxide

: 3512-75-2
4-chloro-2,6-lutidine

: 13603-44-6
2,6-dimethylpyridin-4-ol

Conditions

Conditions	Yield
With sodium acetate; acetic acid at 200℃; Erhitzen des Reaktionsprodukts mit wss.Salzsaeure;

: 3512-80-9
4-amino-2,6-lutidine

: 13603-44-6
2,6-dimethylpyridin-4-ol

Conditions

Conditions	Yield
With sulfuric acid; water; sodium nitrite

: 70271-80-6
ethyl 4-chloro-2,6-dimethylnicotinate

: 13603-44-6
2,6-dimethylpyridin-4-ol

Conditions

Conditions	Yield
With hydrogenchloride at 150℃;

: 358-23-6
trifluoromethylsulfonic anhydride

: 13603-44-6
2,6-dimethylpyridin-4-ol

: 129558-60-7
trifluoromethanesulfonic acid 2,6-dimethylpyridin-4-yl ester

Conditions

Conditions	Yield
With triethylamine In dichloromethane at 0 - 20℃; for 2.08333h;	100%
With triethylamine In dichloromethane at 0 - 20℃; for 2.08333h;	100%
With triethylamine In dichloromethane at 0 - 20℃; for 2.08333h;	100%
With triethylamine In dichloromethane at 0 - 20℃; for 2.08333h;	100%
Stage #1: 2,6-dimethylpyridin-4-ol With triethylamine In dichloromethane at 0℃; for 0.166667h; Stage #2: trifluoromethylsulfonic anhydride; dmap In dichloromethane at 20℃; for 6h;	79%

: 13603-44-6
2,6-dimethylpyridin-4-ol

: 3,5-dibromo-2,6-dimethylpyridin-4-ol hydrobromide

Conditions

Conditions	Yield
With bromine; tert-butylamine In methanol; dichloromethane at 5 - 20℃; for 2.66667h; Temperature; Reagent/catalyst;	96%
With bromine; tert-butylamine In methanol; dichloromethane at 5 - 20℃; for 2.66667h;	96%
With bromine; tert-butylamine In methanol; dichloromethane at 5 - 20℃; for 2.66667h; Reagent/catalyst; Temperature;	96%
With bromine; tert-butylamine In methanol; dichloromethane at 5 - 20℃; for 2.66667h; Concentration; Reagent/catalyst; Temperature;	96%
With bromine; tert-butylamine In methanol; dichloromethane at 5 - 20℃; for 2.66667h; Concentration; Reagent/catalyst; Temperature;	96%

: 13603-44-6
2,6-dimethylpyridin-4-ol

: 3,5-dibromo-2,6-dimethylpyridin-4-ol hydrobromide

Conditions

Conditions	Yield
With bromine; tert-butylamine In methanol; dichloromethane at 20℃; for 2.66667h;	96%
With diisobutylamine; bromine In methanol; dichloromethane at 5 - 20℃; for 2.66667h; Reagent/catalyst;	96%
With bromine; tert-butylamine In methanol; dichloromethane at 5 - 20℃; for 2.66667h;	96%

: 13603-44-6
2,6-dimethylpyridin-4-ol

: 4563-28-4
3,5-dibromo-2,6-dimethylpyridin-4-ol

Conditions

Conditions	Yield
With bromine; tert-butylamine In methanol; dichloromethane at 5 - 20℃; for 2.66667h; Temperature;	96%
With 4-methyl-morpholine; bromine In methanol; dichloromethane at 20℃; for 2h;	88%
With 4-methyl-morpholine; bromine In methanol; dichloromethane at 20℃; for 2h; Reagent/catalyst; Temperature; Cooling with ice;	88%

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Chemistry

Molecular Formula: C₇H₉NO

Formula Weight: 123.15
mp of 2,6-Dimethyl-4-hydroxypyridine (13603-44-6): 230-232^°C
bp of 2,6-Dimethyl-4-hydroxypyridine (13603-44-6): 351^°C
Flash Point: 93.1 ^°C
density of 2,6-Dimethyl-4-hydroxypyridine (13603-44-6): 1,053g/cm³
Vapour Pressure: 0.251 mmHg at 25^°C
refractive index : 1,501-1,503
Appearence of 2,6-Dimethyl-4-hydroxypyridine (13603-44-6): Yellow to Brown Crystal

Toxicity Data With Reference

To the best of our knowledge, the toxicological properties of 2,6-Dimethyl-4-hydroxypyridine (13603-44-6) have not been fully determined.
ACUTE EFFECTS: Irritant; May be harmful by ingestion and inhalation; Material is irritating to mucous membranes and upper respiratory tract.

Safety Profile

Hazard Codes : Xi (Irritant)
Risk Statements : 36/37/38 (Irritating to eyes, respiratory system and skin)
Safety Statements : 26-36 (In case of contact with eyes, rinse immediately with plenty of water and seek medical advice; Wear suitable protective clothing)
Hazard Note : Irritant

Specification

HANDLING AND STORAGE: Keep container tightly closed. Store in a cool, dry, well-ventilated area. Avoid sources of ignition. Do not breathe dust or vapor. Do not get in eyes, on skin, on clothing. Have safety shower and eye wash available. Ensure adequate ventilation during use. Use only in a chemical fume hood.