Vitamin A is a fat‑soluble vitamin essential for vision, growth, immune function and epithelial tissue health. It exists mainly as retinol, retinyl esters and beta‑carotene precursors. Commercial products are usually yellow crystals or oily liquids, sensitive to light, oxygen and heat, with strong antioxidant and physiological activity.

PRODUCT PROPERTIES

Property	Specification
Chemical Formula	C₂₀H₃₀O (Retinol)
Molecular Weight	286.45 g/mol
Melting Point	62–64 °C
Density	~0.996 g/cm³
Form	Pale yellow crystals or yellow viscous oil
Solubility	Insoluble in water; soluble in fats, ethanol, chloroform, ether
Odor	Slight characteristic odor
Stability	Easily oxidized in air; sensitive to light and high temperature

PRODUCT USES

Vitamin A is widely used in nutritional fortification of margarine, dairy products, flour and infant foods to prevent night blindness and maintain normal vision. It is an essential component in feed to improve growth, reproduction and immune function of livestock, poultry and aquatic animals. In pharmaceuticals, it is used for treating vitamin A deficiency and supporting mucosal health. In cosmetics, it acts as an anti‑aging and skin‑repairing ingredient. It also serves as an antioxidant and color protectant in food and beverage systems.

ABOUT US

Shandong Hengyi Chemical Co., Ltd. is a enterprise of chemical business, with a total output of 60 million tons and over 3,000 employees. The company's products cover ten major areas, including new energy and new materials, chemical fertilizers, organic amines, acetic acid and its derivatives, polyols, synthetic resins, polyurethane, fragrances and flavors, additives and catalysts, and inorganic chemicals, totaling over 100 products.

PACKAGING AND TRANSPORTATION

Our company offers diversified, standardized, and customized packaging services for products. All packaging strictly complies with usage and transportation safety regulations. We support various formats such as standard bags, drums, and ton bags, and can flexibly adjust specifications, materials, and packaging methods according to customer needs to meet different usage scenarios such as warehousing, transportation, and export. Our products are safe, reliable, convenient, and practical.

FAQ

Q: Do you provide technical data and usage guidance?

A: Product manuals, technical parameters, MSDS and other documents are provided, together with professional pre-sales technical consultation and application guidance.

Q: Can you provide samples?

A: Samples are available for some products. Please consult customer service for specific application, quantity and cost.

Q: What should I do if the packaging is damaged upon receipt?

A: Please inspect goods upon receipt. If damage or leakage is found, provide photos for verification and we will handle it promptly.

Q: Do you support export and provide customs clearance documents?

A: Export packaging is supported. Customs clearance documents such as MSDS, packing list and commercial invoice are available to assist with cross-border logistics.

Q: How long will it take to deliver after ordering?

A: Regular in-stock items will be shipped within 1–3 working days. For customized packaging or special orders, delivery time shall be negotiated by both parties.

Q: What is the MOQ of your products?

A: Small-batch samples and large-volume orders are both supported. Specific MOQ can be negotiated based on product model and packaging type.

Q: Is transportation safe and compliant?

A: Transportation is carried out in strict accordance with regulations for general or dangerous chemicals, with qualified logistics and protective measures to ensure full-process safety.

Q: How to store chemical products properly?

A: Store in a cool, dry and ventilated area, away from fire, heat and strong corrosive substances. Store by category to avoid mixed storage risks.

Q: How is product quality guaranteed?

A: Products are produced and tested in strict accordance with industry standards. Quality inspection reports and certificates are available to ensure stable and reliable quality.

Q: Do you support customized packaging?

A: Customization is available. We can customize size, material, label and sealing method according to customer requirements for different storage, transportation and export scenarios.

Q: Is the packaging compliant with transportation and export safety requirements?

A: All packaging complies with safety regulations for storage, transportation and export, with qualified sealing and firmness, suitable for land, sea and other logistics scenarios.

Q: What types of packaging do you provide?

A: We provide regular packaging such as bags, drums and ton bags, as well as standardized and customized packaging. Specifications, materials and sealing methods can be adjusted flexibly according to product characteristics.

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