3,5-dibromo-4-pyridinol

Modify Date: 2025-08-27 19:44:34

3,5-dibromo-4-pyridinol Structure
3,5-dibromo-4-pyridinol structure
 Common Name 3,5-dibromo-4-pyridinol
CAS Number 25813-25-6 Molecular Weight 252.891
Density 2.2±0.1 g/cm3 Boiling Point 317.5±37.0 °C at 760 mmHg
Molecular Formula C5H3Br2NO Melting Point 370℃ (dec.)
MSDS N/A Flash Point 145.8±26.5 °C

 Names

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

 Chemical & Physical Properties

Density 2.2±0.1 g/cm3
Boiling Point 317.5±37.0 °C at 760 mmHg
Melting Point 370℃ (dec.)
Molecular Formula C5H3Br2NO
Molecular Weight 252.891
Flash Point 145.8±26.5 °C
Exact Mass 250.858124
PSA 33.12000
LogP 1.14
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.654

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UU7710000
CHEMICAL NAME :
4-Pyridinol, 3,5-dibromo-
CAS REGISTRY NUMBER :
25813-25-6
BEILSTEIN REFERENCE NO. :
0121087
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C5-H3-Br2-N-O
MOLECULAR WEIGHT :
252.91
WISWESSER LINE NOTATION :
T6NJ CE DQ EE FZ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
180 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#05659

 Safety Information

Hazard Codes Xi

 Synthetic Route

4-Hydroxypyridine structure

4-Hydroxypyridine

CAS#:626-64-2

~98%

3,5-dibromo-4-pyridinol Structure

3,5-dibromo-4-p...

CAS#:25813-25-6

Literature: Marsault, Eric; Fraser, Graeme L.; Benakli, Kamel; St-Louis, Carl; Rouillard, Alain; Thomas, Helmut Patent: US2010/93720 A1, 2010 ; Location in patent: Page/Page column 58 ; US 20100093720 A1
4-Hydroxypyridine structure

4-Hydroxypyridine

CAS#:626-64-2

~32%

3-Bromo-4-pyridinol structure

3-Bromo-4-pyridinol

CAS#:36953-41-0

3,5-dibromo-4-pyridinol Structure

3,5-dibromo-4-p...

CAS#:25813-25-6

Literature: Synthesis, , # 14 p. 2175 - 2179
Piperidine structure

Piperidine

CAS#:110-89-4

~%

3,5-dibromo-4-pyridinol Structure

3,5-dibromo-4-p...

CAS#:25813-25-6

Literature: Chemische Berichte, , vol. 12, p. 988
4-Nitropyridine N-oxide structure

4-Nitropyridine...

CAS#:1124-33-0

~%

3,5-dibromo-4-pyridinol Structure

3,5-dibromo-4-p...

CAS#:25813-25-6

Literature: Recueil des Travaux Chimiques des Pays-Bas, , vol. 70, p. 581,587
4(1H)-Pyridinone structure

4(1H)-Pyridinone

CAS#:108-96-3

~%

3,5-dibromo-4-pyridinol Structure

3,5-dibromo-4-p...

CAS#:25813-25-6

Literature: Gazzetta Chimica Italiana, , vol. 78, p. 873,876
pyridine oxide structure

pyridine oxide

CAS#:694-59-7

~%

3,5-dibromo-4-pyridinol Structure

3,5-dibromo-4-p...

CAS#:25813-25-6

Literature: Recueil des Travaux Chimiques des Pays-Bas, , vol. 70, p. 581,587

 Synonyms

3,5-DIBROMO-4-PYRIDINOL
4-Pyridinol, 3,5-dibromo-
3,5-dibromopyridin-4(1H)-one
3,5-Dibrom-pyridin-4-ol
4(1H)-pyridinone, 3,5-dibromo-
3,5-Dibrom-4-pyridilaldehyd
3,5-dibromo-4-pyridinecarboxaldehyde
3,5-Dibromo-pyridin-4-ol
3,5-Dibrom-4-hydroxypyridin
3,5-dibromoisonicotinaldehyde
3,5-dibromopyridin-4-ol
3,5-dibromo-pyridine-4-carbaldehyde
3,5-Dibromopyridine-4-carboxaldehyde
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