Product Identification
【Product Name】p-Methoxycinnamic acid
【Synonyms】对甲氧基肉桂酸
【CAS】830-09-1
【Formula】C10H10O3
【Molecular Weight】178.18
【EINECS】212-594-0
【RTECS】UD3391300
【RTECS Class】Drug
【Beilstein/Gmelin】510468
【Beilstein Reference】0-10-00-00298

Physical and Chemical Properties
【Appearance】White, amorphous, granular powder.
【Solubility in water】Very soluble
【Melting Point】173.5-174℃
【Boiling Point】317℃
【pKa/pKb】4.04 (pKa)
【Partition Coefficient】1.81

First Aid Measures
【Ingestion】Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.
【Inhalation】Remove from exposure to fresh air immediately.
【Skin】Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.

Handling and Storage
【Storage】Store in a cool, dry place. Keep container closed when not in use.
【Handling】Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Exposure Controls/Personal Protection
【Personal Protection】Chemical splash ggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
【Respirators】Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.
【Exposure Effects】The toxicological properties of this material have not been investigated.

Fire Fighting Measures
【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. Use agent most appropriate to extinguish fire.

Accidental Release Measures
【Small spills/leaks】Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal.

Stability and Reactivity
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong oxidizing agents.
【Decomposition】Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Hazards Identification
【EC Risk Phrase】R 36/37/38
【EC Safety Phrase】S 26 36