Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
Basic Properties
Appearance: Colorless to pale yellow transparent oily liquid, odorless, with uniform texture and no visible impurities. It is in a stable liquid state under normal temperature and pressure, has appropriate viscosity, and will not crystallize or solidify even in a low-temperature environment. Its appearance is stable, and it will not turn turbid, precipitate or discolor under proper storage conditions, which is a typical characteristic of oily antioxidants superscript:1superscript:2.
Solubility: Insoluble in water (solubility 99-2000μg/L at 20-25℃); slightly soluble in chloroform and methanol; easily soluble in most organic solvents such as ethanol, acetone, ethyl acetate and petroleum ether. It has good compatibility with various organic polymers, coatings and plastic raw materials, which lays a foundation for its application as an antioxidant superscript:1.
Other properties: It has a refractive index of n20/D 1.532 (lit.); vapor pressure is 1Pa at 25℃, extremely low volatility; acidity coefficient (pKa) is 9.94±0.50 (Predicted); purity is usually ≥96.0% for industrial use, and ≥97.0% for laboratory use; it has no obvious corrosive effect on common metals and plastics, and has good stability in neutral and weak acid environments superscript:1superscript:2.
Chemical Properties
1. Stability: Stable under normal temperature and pressure; stable to light, heat and oxygen; not easy to hydrolyze or oxidize, and can be stored for a long time under proper conditions without obvious deterioration. It has good thermal stability, can maintain its antioxidant activity at a certain high temperature, and is not easy to decompose during processing superscript:1.
2. Reactivity: As a phenol-based antioxidant, it has strong free radical scavenging ability, can effectively inhibit the oxidation of organic materials, and delay the aging process of products. It has typical phenol chemical properties, can undergo acylation, alkylation and other reactions, and its sulfur-containing groups can enhance its antioxidant effect, making it suitable for long-term anti-aging protection of materials superscript:1superscript:2.
3. Incompatibility: Incompatible with strong oxidizing agents; avoid mixed storage with these substances to prevent decomposition or loss of antioxidant activity; stable when mixed with common organic solvents, plastic raw materials, coating additives and other substances, and has good compatibility, no obvious adverse reactions superscript:1.
Usage
1. Plastic Industry: As a high-efficiency antioxidant, it is widely used in polyethylene, polypropylene, polyvinyl chloride and other plastic products. It can effectively inhibit the oxidative aging of plastics during processing and use, improve the service life of plastic products, and maintain the mechanical properties and appearance of plastics superscript:2.
2. Coating Industry: Used as an antioxidant in coatings and coatings, it can prevent the oxidative discoloration and aging of coatings during storage and use, improve the weather resistance and durability of coatings. It is also used as an additive in food contact coatings, with a maximum usage amount of 0.8% and a use temperature not exceeding 121°C superscript:3.
3. Other Fields: Used as an antioxidant in rubber, synthetic fibers and other materials, it can delay the oxidative aging of materials and extend their service life; used as a chemical intermediate in organic synthesis, it is used to synthesize other sulfur-containing antioxidantssuperscript:1. It can also be used as a reference sample for analytical detection.
4. Food Contact Materials: Approved as a food contact material additive, it is used in food contact coatings and coatings, with a specific migration limit (SML) of 5 mg/kg (sum with 2-methyl-4,6-bis((dodecylthio)methyl)phenol), which is safe and compliant when used in accordance with regulations superscript:3.
Storage
Store in a sealed container, keep away from light, moisture and air; store in a cool, dry and well-ventilated warehouse, the recommended storage temperature is refrigerated (2-8°C) to better maintain its stability. It should be stored separately from strong oxidizing agents, and should not be mixed for storage; avoid long-term exposure to open flames and high temperature to prevent oxidation and loss of activity. The storage period can reach 1-2 years under proper storage conditions; the common packaging includes 1kg, 5kg, 25kg/drum, suitable for industrial production and laboratory use superscript:1.
Safety Overview
Hazard Category: Irritant (Xi); Hazardous class: Irritant. It has mild skin and eye irritation; low acute toxicity, no specific LD50 data reported, but it is non-toxic under normal usage dosage. It is for professional industrial, chemical and laboratory use only; it is safe when used in accordance with operating specifications and dosage requirements, especially when used in food contact materials, it must comply with relevant national standards superscript:3.
Safety Precautions
1. Personal Protection: Wear disposable gloves, safety goggles when handling; avoid direct contact with skin and eyes; ensure adequate ventilation in the operation area, and wash hands thoroughly after handling. Avoid long-term direct contact to prevent potential irritation.
2. Emergency Handling: If contact with skin, rinse thoroughly with plenty of flowing water for 5-10 minutes; if contact with eyes, rinse cautiously with water for several minutes (remove contact lenses if present) and continue rinsing, seek medical advice if discomfort occurs; if inhaled, move to fresh air immediately, keep the respiratory tract unobstructed, and seek medical advice if discomfort occurs; if swallowed, drink plenty of water to dilute, call a poison center or doctor immediately.
3. Fire & Spill: Low flammability; use dry powder, foam or carbon dioxide fire extinguishing agents in case of fire; if spilled, isolate the contaminated area, wear protective equipment, collect the spilled liquid with dry and clean tools, put it into a sealed container for proper disposal, and avoid entering drains or water courses to prevent environmental pollution.
4. Disposal: Dispose of waste and packaging in accordance with local environmental and hazardous waste regulations; do not discard at will; waste must be treated by professional hazardous waste disposal institutions to avoid environmental pollution; transport in accordance with the regulations of general chemicals, avoid mixing with incompatible substances during transportation.
Product
