3,5-Dichloro-4-pyridinol

Modify Date: 2025-08-25 17:24:49

3,5-Dichloro-4-pyridinol Structure
3,5-Dichloro-4-pyridinol structure
Common Name 3,5-Dichloro-4-pyridinol
CAS Number 17228-70-5 Molecular Weight 163.989
Density 1.6±0.1 g/cm3 Boiling Point 317.5±37.0 °C at 760 mmHg
Molecular Formula C5H3Cl2NO Melting Point 56-59 °C(lit.)
MSDS N/A Flash Point 145.8±26.5 °C

 Names

Name 3,5-Dichloro-4-hydroxypyridine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 317.5±37.0 °C at 760 mmHg
Melting Point 56-59 °C(lit.)
Molecular Formula C5H3Cl2NO
Molecular Weight 163.989
Flash Point 145.8±26.5 °C
Exact Mass 162.959167
PSA 33.12000
LogP 0.32
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.602

 Safety Information

Hazard Codes Xn: Harmful;
Risk Phrases R36/37/38
Safety Phrases S36/37/39-S26-S22-S36
WGK Germany 3
Packaging Group III
HS Code 2933399090

 Synthetic Route

~97%

3,5-Dichloro-4-pyridinol Structure

3,5-Dichloro-4-...

CAS#:17228-70-5

Literature: Journal of Organic Chemistry, , vol. 49, # 25 p. 4784 - 4786

 Customs

HS Code 2933399090
Summary 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

3,5-Dichlorpyridin-4(1H)-on
3,5-Dichlor-pyridon-4
3,5-Dichloro-4-hydro
MFCD00001825
3,5-dichloropyridin-4-ol
3,5-Dichloro-4-pyridinol
3,5-Dichloro-pyridin-4-ol
3,5-dichloro-1,4-dihydropyridin-4-one
4(1H)-Pyridinone, 3,5-dichloro-
P-CYANOACETOPHENONE
3,5-Dichloro-4-hydroxypyridine
3,5-dichloro-4-pyridinone
3,5-Dichloro-4(1H)-pyridinone
IFLAB-BB F1957-0005
4-Pyridinol, 3,5-dichloro-
P-ACETYLBENZONITRILE
3,5-DICHLORO-4-PYRIDONE
3,5-Dichloropyridin-4(1H)-one
EINECS 215-885-0
Donepezil Impurity 32
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