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
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2-Oxy-4-amino pyrimidine(71-30-7)

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-Oxy-4-amino pyrimidine
Synonyms
4-Amino-2(1H)-pyrimidinone
4-Amino-2-hydroxypyrimidine
4-Amino-2-oxo-1,2-dihydropyrimidine
4-Amino-3H-pyrimidin-2-one
4-Aminouracil
Cytosinimine
CAS
71-30-7
Formula
C4H5N3O
Molecular Weight
111.1
EINECS
200-749-5
RTECS
UW7350150
RTECS Class
Mutagen
Merck
13,2824
Beilstein/Gmelin
2637
Beilstein Reference
4-25-00-03654

Physical and Chemical Properties

Appearance
White solid.
Solubility in water
Very soluble
Melting Point
313 - 316
Vapor Pressure
0.01 (232 C)
Density
0.98631 - 0.99771 g/cm3 (55 - 25 C)
pKa/pKb
9.40 (pKb)
Partition Coefficient
-1.65
Usage
Nitrogenous base.

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 if irritation or symptoms occur.
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
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. If irritation develops, get medical aid.

Handling and Storage

Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.

Hazards Identification

Ingestion
No hazard expected in normal industrial use. Ingestion of large amounts may cause gastrointestinal irritation.
Inhalation
No hazard expected in normal industrial use. May cause respiratory tract irritation.
Skin
May cause skin irritation.
Eyes
May cause eye irritation.
EC Safety Phrase
S 22 24/25

Exposure Controls/Personal Protection

Personal Protection
Eyes: 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 minimize contact with skin.
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. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures

Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity

Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, oxides of nitrogen, carbon dioxide.
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