Uracil

UracilChemical Safety Data Sheet

1. Chemical and Company Identification

1. Chemical Chinese Name: Uracil
2. Trade Name: 2,4-Dihydroxypyrimidine
3. Chemical English Name: 2,4-Dihydroxypyrimidine; Uracil
4. Molecular Formula: C₄H₄O₂N₂
5. Company Name: Phone:

2. Composition/Information on Ingredients

3. Hazards Identification

Uncertain

Potential Health Effects

Eyes: Contact with eyes may cause irritation.

Skin: Contact may cause irritation.

Ingestion: May cause nausea and vomiting.

Inhalation: Avoid inhalation.

Chronic: Uncertain.

4. First Aid Measures

Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, lifting upper and lower eyelids.

Skin: Remove contaminated clothing and shoes, immediately wash skin with plenty of soap and water for at least 15 minutes.

Ingestion: Do not induce vomiting. If the victim is conscious and alert, give 2-4 cups of milk or water. Seek medical attention.

Inhalation: Seek medical attention. Move to fresh air immediately.

5. Fire Fighting Measures

General Information:

Wear full protective gear and a self-contained breathing apparatus with pressure. During a fire, highly toxic gases may be produced due to thermal decomposition or combustion.

Extinguishing Media: Use water spray, dry chemical, or chemical foam.

6. Accidental Release Measures

General Information: Use appropriate personal protective equipment.

Spill/Leak: Sweep up and place in an appropriate container for disposal.

7. Handling and Storage

Handling:

Avoid breathing dust, vapor, or mist. Avoid skin contact.

Personal Protective Equipment:

Eyes: Wear safety goggles and face shield.

Skin: Wear appropriate protective gloves to avoid skin exposure.

Clothing: Wear appropriate protective clothing to avoid skin exposure.

Respirator: NIOSH/MSHA approved air-purifying dust or mist respirator or European standard EN 149.

Storage: Store in a cool, dry place. Store in a tightly closed container.

Engineering Controls: Equipment used for storing or handling this material should be equipped with eyewash stations.

8. Physical and Chemical Properties

Physical State: Powder

Appearance: White or off-white

Odor: Uncertain.

pH: Uncertain.

Vapor Pressure: Uncertain.

Viscosity: Uncertain.

Boiling Point: Uncertain.

Melting Point: >335 deg C

Decomposition Temperature: Uncertain.

Flash Point: Uncertain.

Water Solubility: Soluble in hot water.

Density: Uncertain.

Molecular Formula: C₁₀H₁₆O₄S

Molecular Weight: 112.09

9. Stability and Reactivity

Chemical Stability: Stable under normal temperatures and pressures.

Conditions to Avoid: Incompatible materials.

Incompatibility with Other Materials: None.

Hazardous Decomposition Products: Carbon monoxide, nitrogen oxides, carbon dioxide, and nitrogen.

Hazardous Polymerization: Will not occur.

10. Toxicological Information

RTECS#: CAS#66-22-8: YQ8650000

LD50/LC50: CAS#66-22-8 Oral, mouse: LD50 ≥ 8 mg/kg

Oral, rabbit: LD50 ≥ 10 mg/kg

Oral, rat: LD50 ≥ 6 mg/kg

Carcinogenicity:

Uracil is not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.