| Product Identification | Back to Contents | 【Product Name】
PCAD | 【Synonyms】
p-Chlorobenzaldehyde | 【CAS】
104-88-1 | 【Formula】
C7H5ClO | 【Molecular Weight】
140.57 | 【EINECS】
203-247-4 | 【RTECS】
CU5076000 | 【RTECS Class】
Other | 【Beilstein/Gmelin】
4893653 | 【EC Class】
harmful, irritant, dangerous for the environment |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Colorless to yellow powder or white crystalline solid. Pungent odor. | 【Solubility in water】
Insoluble | 【Melting Point】
46 | 【Boiling Point】
214 | 【Vapor Pressure】
.1 | 【Density】
1.196 g/cm3 (20 C) | 【Partition Coefficient】
2.4 | 【Heat Of Vaporization】
45.0 kJ/mol | 【Vapor Density】
4.8 | 【Refractive Index】
1.555 (61 C) |
| First Aid Measures | Back to Contents | 【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 immediately. | 【Inhalation】
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. DO NOT use mouth-to-mouth respiration. | 【Skin】
Get medical aid. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. | 【Eyes】
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. |
| Handling and Storage | Back to Contents | 【Storage】
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture. Store protected from light and air. | 【Handling】
Wash thoroughly after handling. Wash hands before eating. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Avoid contact with skin and eyes. Keep container tightly closed. Avoid ingestion and inhalation. Avoid contact with air and sunlight. Keep from contact with moist air and steam. |
| Hazards Identification | Back to Contents | 【Ingestion】
May cause severe and permanent damage to the digestive tract. May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed. | 【Inhalation】
Irritation may lead to chemical pneumonitis and pulmonary edema. May cause respiratory tract irritation. | 【Skin】
Causes skin irritation. | 【Eyes】
Causes eye irritation. May result in corneal injury. | 【Hazards】
Contact with metals may evolve flammable hydrogen gas. | 【EC Risk Phrase】
R 22 36/37/38 | 【EC Safety Phrase】
S 26 36/37/39 | 【UN (DOT)】
2811 |
| Exposure Controls/Personal Protection | Back to Contents | 【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 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 | Back to Contents | 【Flash Point】
87 | 【Autoignition】
302 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Do NOT get water inside containers. | 【Fire Potential】
This chemical is combustible. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation. Do not get water inside containers. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
3 | 【Incompatibilities】
Oxidizing agents | 【Stability】
Stable under normal temperatures and pressures. | 【Decomposition】
Hydrogen chloride, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. | 【Combustion Products】
Fire may produce irritating, corrosive and/or toxic gases. |
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