Propyl 3,4,5-trihydroxybenzoate

Propyl 3,4,5-trihydroxybenzoate is an organic chemical compound with the molecular formula C10H12O5 and CAS number 121-79-9. It belongs to the family of hydroxybenzoic acid esters, specifically derived from gallic acid. With a molecular weight of 212.2 g/mol, this substance is commonly known as propyl gallate and serves as an important industrial chemical with antioxidant properties.

Propyl 3,4,5-trihydroxybenzoate appears as a white to off-white crystalline powder at room temperature. It has limited solubility in water but dissolves well in alcohols and oils. The compound is stable under normal conditions but may decompose when exposed to high temperatures or strong oxidizing agents. Its molecular structure contains three hydroxyl groups attached to a benzene ring with a propyl ester group.

Propyl 3,4,5-trihydroxybenzoate serves primarily as an antioxidant in various industrial applications. It is widely used in food processing, cosmetics, and pharmaceutical formulations to prevent oxidative degradation. The compound helps extend shelf life by inhibiting rancidity in fats and oils. It also finds applications in rubber and plastic industries as a stabilizer to prevent polymer degradation during processing and storage.

Propyl 3,4,5-trihydroxybenzoate requires careful handling due to its classification as Acute Tox. 4 and Skin Sens. 1. Always wear appropriate personal protective equipment including gloves, safety glasses, and protective clothing. Ensure adequate ventilation in work areas and avoid generating dust. The substance carries a Warning signal word and requires precautions to prevent skin contact and inhalation. Follow good industrial hygiene practices during handling.

Propyl 3,4,5-trihydroxybenzoate should be stored in a cool, dry, and well-ventilated area away from direct sunlight and heat sources. Keep containers tightly closed to prevent moisture absorption and contamination. Store away from incompatible materials such as strong oxidizing agents and acids. Maintain storage temperatures below 25°C and ensure proper labeling according to GHS requirements including pictograms GHS07 and GHS09.

In case of skin contact with propyl 3,4,5-trihydroxybenzoate, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. If eye contact occurs, rinse immediately with plenty of clean water for 15 minutes and seek medical attention. In case of inhalation, move the person to fresh air. If ingested, do not induce vomiting and seek immediate medical advice.

Propyl 3,4,5-trihydroxybenzoate waste must be disposed of according to local and national environmental regulations due to its Aquatic Acute 1 and Aquatic Chronic 1 classifications. Never discharge to waterways or soil. Contact authorized waste disposal companies for proper treatment and disposal. Small quantities may be incinerated in approved facilities with proper emission controls. Always consult safety data sheets and local authorities for specific disposal requirements.

Propyl 3,4,5-trihydroxybenzoate is classified as ADR Class 9 (Miscellaneous dangerous goods), Packing Group III for transportation. This classification requires specific packaging, marking, and documentation according to dangerous goods regulations. Use appropriate packaging materials that meet UN specification requirements. Ensure proper labeling with hazard pictograms and transport information. Carriers must be trained and certified for dangerous goods transportation.

Propyl 3,4,5-trihydroxybenzoate is subject to various European regulations including REACH registration and CLP classification requirements. It is not currently listed as a Substance of Very High Concern (SVHC). Companies must comply with safety data sheet requirements, proper labeling with GHS pictograms, and occupational exposure limits. Food-grade applications may require additional approvals from relevant food safety authorities depending on intended use.

Propyl 3,4,5-trihydroxybenzoate is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides quality chemical products with proper documentation including certificates of analysis and safety data sheets. As an established European supplier, OYSI ensures compliance with REACH regulations and provides technical support for various industrial applications. Contact OYSI directly for availability, specifications, and delivery options across Europe.