Solvent Green 7
Solvent Green 7, commonly recognized as pyranine or trisodium 8-hydroxypyrene-1,3,6-trisulfonate, is a high-purity, water-soluble fluorescent synthetic dye. It presents as a vibrant yellowish-green powder that dissolves effortlessly in aqueous environments without forming unwanted precipitates. The compound exhibits remarkable chemical stability across a broad pH spectrum and glows with an intense yellowish-green fluorescence, particularly under alkaline conditions.
Because of its distinct optical profile and favorable environmental safety profile at controlled low concentrations, it is widely utilized for non-destructive visual detection. Major industrial and commercial realms rely on its consistent tinctorial properties for specialized coloring and fluid tracing. Quality standards strictly regulate its purity to ensure performance consistency in sensitive formulations.
– Solvent Green 7 serves as an effective fluorescent water-tracing dye, allowing hydrologists and engineers to monitor fluid flows, map subterranean water passages, and detect leaks in complex industrial closed-loop systems or municipal water networks with high analytical precision and clear visual contrast under ambient or UV inspection.
– The compound is authorized in specific personal care and cosmetic formulations, such as shampoos, liquid soaps, and alkaline detergents, functioning as an external colorant that imparts a distinct visual appearance while maintaining structural stability and performance within specified concentration limits in finished consumer goods.
– It is extensively deployed in manufacturing fluorescent highlighters, specialized marker inks, and security writing systems, where its intense light absorption and subsequent bright emission deliver exceptional legibility, sharp optical contrast, and reliable long-term resistance against premature fading under standard indoor lighting.
– Industrial sectors use this dye as a functional visual indicator in liquid coolants, antifreeze solutions, and mechanical cutting fluids, enabling maintenance personnel to quickly spot operational leaks, trace fluid circulation pathways, and verify proper chemical distribution through distinct fluorescent identification during routine inspections.
Product Name: Solvent Green 7
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