Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
Home > 2,4-Dihydroxypyridine > 2,4-Dihydroxypyridine(626-03-9)

2,4-Dihydroxypyridine(626-03-9)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity

Product Identification

Product Name
2,4-Dihydroxypyridine
Synonyms
2(1H)-Pyridinone, 4-hydroxy-
2,4-Dihydroxypyridine
2,4-Pyridinediol
2-Hydroxy-1H-pyridin-4-one
3-Deazauracil
4-Hydroxy-2(1H)-pyridinone
CAS
626-03-9
Formula
C5H5NO2
Molecular Weight
111.1
EINECS
210-924-8
RTECS
UV1146800
RTECS Class
Other
Beilstein/Gmelin
108533
Beilstein Reference
5-21-12-00095

Physical and Chemical Properties

Appearance
Off-white solid.
Melting Point
275 - 277
Boiling Point
315
Partition Coefficient
-1.39

First Aid Measures

Ingestion
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage

Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Wash thoroughly after handling. Avoid breathing dust, vapor, mist, or gas. Do not get on skin or in eyes. Avoid ingestion and inhalation.

Hazards Identification

Ingestion
May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
Inhalation
Causes respiratory tract irritation.
Skin
Causes skin irritation.
Eyes
Causes eye irritation.
EC Risk Phrase
R 36/37/38
EC Safety Phrase
S 26 36

Exposure Controls/Personal Protection

Personal Protection
Eyes: Wear chemical goggles. Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Fire Fighting Measures

Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use water spray, dry chemical, or carbon dioxide.

Accidental Release Measures

Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment.

Stability and Reactivity

Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, strong acids, strong bases, acid chlorides, and acid anhydrides.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.
Contact More