Overview
Manganese Violet is a synthetic inorganic pigment first developed in the late 19th century. It is chemically known as manganese ammonium pyrophosphate and is valued for its stable purple color and non-toxic properties. Unlike organic pigments, it does not fade easily under light or heat, making it a preferred choice for demanding applications. The pigment is synthesized through a controlled reaction of manganese salts with ammonium phosphate. Its consistent quality and safety profile have led to widespread adoption in industries requiring vibrant, long-lasting colors, such as cosmetics and coatings.
Physical and Chemical Properties
Manganese Violet appears as a fine purple powder with a density of around 2.5 g/cm³. It is insoluble in water and most organic solvents, which contributes to its stability in formulations. The pigment exhibits excellent heat resistance, maintaining its color even at high temperatures, and is highly lightfast, resisting degradation from UV exposure. Chemically, it is inert under normal conditions, reacting only with strong acids or oxidizing agents. Its molecular structure ensures minimal interaction with other components in mixtures, making it versatile for use in diverse products without compromising performance.
Main Applications
The primary use of Manganese Violet is in the cosmetics industry, where it serves as a colorant for eyeshadows, lipsticks, and blushes. Its non-toxic nature and compliance with regulatory standards (e.g., FDA, EU Cosmetics Regulation) make it ideal for personal care products. In industrial applications, it is employed in paints, plastics, and ceramics to provide durable purple hues. Its stability under processing conditions, such as high-temperature molding or curing, ensures consistent results. Additionally, artists’ paints utilize this pigment for its archival quality and resistance to fading.
Safety and Storage
Manganese Violet is classified as non-hazardous under normal handling conditions. However, prolonged inhalation of its dust may irritate the respiratory tract, so using protective equipment like masks is recommended during bulk processing. Skin contact is generally safe, but gloves are advised to prevent dryness. Storage requires a cool, dry environment in tightly sealed containers to prevent moisture absorption and contamination. Avoid exposure to direct sunlight or extreme temperatures, as these may affect the pigment’s dispersion properties over time.
B2B Procurement Guide
When sourcing Manganese Violet, prioritize suppliers who provide certificates of analysis (CoA) detailing purity, heavy metal content, and compliance with relevant standards (e.g., ASTM D4302 for artists’ materials). Bulk pricing typically ranges between $20-$50 per kg, depending on quantity and quality specifications. For cosmetic-grade pigment, verify FDA or EU approval status. Sample testing is recommended to assess compatibility with your formulation. Consider suppliers with a track record in your industry to ensure consistent quality and technical support.
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