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5-Fluoropyrimidine-2,4-dione(51-21-8)

5-Fluoropyrimidine-2,4-dione(51-21-8)
Product IdentificationBack to Contents
【Product Name】

5-Fluoropyrimidine-2,4-dione
【Synonyms】

5-Fluoro-1H-pyrimidine-2,4-dione
5-Fluoro-2,4(1H,3H)-pyrimidinedione
【CAS】

51-21-8
【Formula】

C4H3FN2O2
【Molecular Weight】

130.08000000000001
【EINECS】

200-085-6
【RTECS】

YR0350000
【RTECS Class】

Tumorigen; Drug; Mutagen; Reproductive Effector; Human Data; Primary Irritant
【Merck】

13,4208
【Beilstein/Gmelin】

127172
【Beilstein Reference】

5-34-06-00271
【EC Class】

harmful
Physical and Chemical PropertiesBack to Contents
【Appearance】

White to nearly white crystalline powder; practically odorless.
【Solubility in water】

Very soluble
【Melting Point】

282 - 283
【Boiling Point】

347
【pKa/pKb】

7.88 (pKa)
【Partition Coefficient】

-.78
【Heat Of Vaporization】

【Usage】

Immunosuppressive agent.
First Aid MeasuresBack to Contents
【Ingestion】

Get medical aid. Wash mouth out with water.
【Inhalation】

Remove from exposure to fresh air immediately. Get medical aid.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and StorageBack to Contents
【Storage】

Store in a cool, dry place. Store in a tightly closed container.
【Handling】

Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Store protected from light. Use only in a chemical fume hood.
Hazards IdentificationBack to Contents
【Inhalation】

Harmful if inhaled. Causes respiratory tract irritation.
【Skin】

Causes skin irritation. Harmful if absorbed through the skin.
【Eyes】

May cause eye irritation.
【Ingestion】

Harmful if swallowed. Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
【Hazards】

Emits very toxic fumes of flourides and nitrogen oxides when heated to decomposition. Avoid decomposing heat.
【EC Risk Phrase】

R 46 60 61 23/24/25
【EC Safety Phrase】

S 53 45
【UN (DOT)】

2811
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
【Respirators】

A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
【Exposure Effects】

Prolonged or repeated exposure may cause adverse reproductive effects.
【Poison Class】

1*
Fire Fighting MeasuresBack to Contents
【Flash Point】

280
【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 MeasuresBack to Contents
【Small spills/leaks】

Vacuum or sweep up material and place into a suitable disposal container.
Stability and ReactivityBack to Contents
【Disposal Code】

3
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Nitrogen oxides, carbon monoxide, carbon dioxide, hydrogen fluoride.
Transport InformationBack to Contents
【UN Number】

2811
【HS Code】

2933 59 95
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