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 Transport Information
Home > 2,4-Dichloro-5-methylpyrimidine > 2,4-Dichloro-5-methylpyrimidine(1780-31-0)

2,4-Dichloro-5-methylpyrimidine(1780-31-0)

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 Transport Information

Product Identification

Product Name
2,4-Dichloro-5-methylpyrimidine
Synonyms
5-Methyl-2,4-dichloropyrimidine
NSC 37532
CAS
1780-31-0
Formula
C5H4Cl2N2
Molecular Weight
163.01
EINECS
217-227-8

Physical and Chemical Properties

Solubility in water
3.9 g/L (25 C)
Melting Point
26
Boiling Point
235
Vapor Pressure
0.079 (25 C)
Density
1.39 g/cm3 (25 C)
pKa/pKb
16.44 (pKa)
Partition Coefficient
1.62
Heat Of Vaporization
45.25 kJ/mol

First Aid Measures

Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
Skin
In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.
Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Handling and Storage

Storage
Keep container tightly closed.

Hazards Identification

Inhalation
Material is extremely destructive to the tissue of the mucous membranes and upper respiratory tract. May be harmful if inhaled.
Skin
Causes burns. May be harmful if absorbed through the skin.
Eyes
Causes burns. Lachrymator.
Ingestion
May be harmful if swallowed.
Hazards
Emits toxic fumes under fire conditions.
EC Risk Phrase
34
EC Safety Phrase
26 36/37/39 45
UN (DOT)
3261

Exposure Controls/Personal Protection

Personal Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
Respirators
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Where risk assessment shows air-purifying respirators are appropriate use a full-face particle respirator type N100 (US) or type P3 (EN 143) respirator cartridges as a backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator.
Exposure Effects
Inhalation may result in spasm, inflammation and edema of the larynx and bronchi, chemical pneumonitis, and pulmonary edema. Symptoms of exposure may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting. Material is extremely destructive to tissue of the mucous membranes and upper respiratory tract, eyes, and skin.

Fire Fighting Measures

Flash Point
119
Fire Fighting
Extinguish with water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Accidental Release Measures

Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, Strong acids.
Decomposition
Carbon monoxide, Carbon dioxide, Nitrogen oxides, Hydrogen chloride gas.

Transport Information

UN Number
3261
Hazard Class
8
Packing Group
II
Contact More