Overview
Solvent dyes are synthetic organic compounds designed to dissolve in non-polar solvents, unlike water-soluble dyes. They are widely used in industries requiring vibrant, stable coloration in hydrophobic materials. These dyes are classified based on their chemical structure, such as azo, anthraquinone, or triarylmethane derivatives. Their primary advantage lies in their compatibility with organic matrices, making them indispensable for coloring plastics, hydrocarbon-based fuels, and industrial coatings. Unlike pigments, solvent dyes do not scatter light but instead form transparent solutions, which is critical for applications like inkjet inks or transparent films.
Physical and Chemical Properties
Solvent dyes exhibit high solubility in organic solvents like toluene, acetone, or mineral oils, with solubility rates varying by molecular structure. Their color intensity depends on concentration and solvent polarity. Most solvent dyes are thermally stable up to 200–300°C, suitable for plastic extrusion or fuel blending. Key chemical properties include resistance to migration (bleeding) and excellent lightfastness, measured on the Blue Wool Scale. For instance, anthraquinone-based dyes often score 7–8, making them ideal for outdoor applications. However, their performance can degrade in acidic or alkaline environments, requiring formulation adjustments.
Main Applications
In plastics, solvent dyes provide uniform coloration for PVC, polystyrene, and polycarbonates, often replacing masterbatches for transparent products. The automotive industry uses them in fuel markers to distinguish grades, while printing inks rely on their transparency for high-resolution graphics. Niche applications include wood stains, candle coloring, and cosmetics like nail polish. Their non-ionic nature ensures minimal reactivity, which is critical for compliance with FDA or EU regulations in food-contact materials and personal care products.
Safety and Storage
While generally low in toxicity, solvent dyes require handling precautions due to potential skin irritation and environmental persistence. Use nitrile gloves and ventilation to avoid inhalation of powder forms. Spills should be contained with inert absorbents and disposed of as hazardous waste. Storage mandates airtight containers to prevent moisture absorption, which can cause clumping. Shelf life typically exceeds two years when stored below 25°C. For flammable solvents like ethanol-based solutions, follow NFPA guidelines for flammable liquids.
B2B Procurement Guide
When sourcing solvent dyes, prioritize suppliers with ISO certification and batch-specific test reports for purity and solubility. Request samples to verify compatibility with your solvent system—common pitfalls include precipitation or phase separation. For bulk orders, negotiate pricing tiers (e.g., >100 kg) and confirm lead times, as some dyes are synthesized on demand. Regulatory documentation, such as REACH or MSDS, should be provided for customs clearance. Consider regional suppliers to reduce logistics costs for liquid formulations.
Related Manufacturers
- 主营：巴斯夫(BASF)染料、巴斯夫(BASF)颜料、进口颜料
- 主营：甲缩醛、稀释剂、香蕉水、松香水、甲醇、环己酮
- 主营：食用酒精、甲醇、无水乙醇、异丙醇、食用乙醇、乙醇、二价酸酯、二丙酮醇、醋酸正丙酯、异丙醇IPA、醋酸仲丁酯、无水乙醇高纯度、95%乙醇、三甲苯、丙二醇甲醚、环已烷、环已酮、混丁醇、丙三醇、轻质白油、工业乙醇、磺酸、二乙二醇丁醚DB、正己烷、正丁醇
- 主营：氨水、液碱、次氯酸钠、6#120#溶剂油、二甲苯、酒精、三氯乙烯、二氯甲烷、二甲基甲酰胺dmf、乙二醇丁醚、甲缩醛、正丁醇、无水乙醇、精甲醇、碳酸二甲酯、95.无水乙醇、醋酸钠、片碱、乙二醇单丁醚、防冻液、醋酸乙酯、石油醚、氯化亚砜、甲醇、硫酸铵
- 主营：四氢噻吩、二甲基亚砜、二甲基二硫醚、乙酰氯、氢氟酸、二甲苯、甲酰胺、丙烯腈、正丙醇、水杨酸、甲酸钠、正丙醛、苯甲醛、丙二腈、二甲基硫醚、硬脂酸、石油醚、水合肼、氯乙酸、乙二醛、乙二醇、异戊烷、苯乙烯、仲丁胺、叔丁醇
- 主营：乙二醇、戊二醛、环己酮、环保溶剂、环保化工溶剂、异丙醇、二甲苯、安息油、清洗剂、正丁醇、醋酸丁酯、二氯丙烷、三氯乙烯、醋酸甲酯、无水乙醇、二氯甲烷、二氯乙烷、金属洗涤剂、醋酸仲丁酯、涂料稀释剂、碳酸二甲酯、油墨稀释剂、无色透明液体
- 主营：四氢噻吩、乙硫醇、二甲基亚砜、二甲基二硫、正辛硫醇、百里香酚、氟化铯、乙硫氨酯、四水合乙酸钴、二异丁基酮、乳酸乙酯、正己烷、2-甲基吡啶、环氧氯丙烷、对氯间甲酚、亚磷酸三苯酯、环丁砜、甲基丙烯酸甲酯、二乙烯基苯、四氯化锆、二氧六环、氯化锂、硫酸锂
- 主营：聚乙烯亚胺、三甘醇二异辛酸酯3G8、三硫代碳酸钠40%、TS-1钛硅分子筛、六氯环三磷腈、5-甲基靛红、烷基苯磺酸酯、苯基次磷酸钠、甲巯咪唑、吡啶硫酮锌、焦磷酸哌嗪、热敏材料、油酸甲酯、曲酸
- 主营：永固红、DPP大红、永固黄HR02、溶剂红、122玫红、永固橙、玻璃包银、永固紫、变色粉、珠光浆、颜料黄、坚固红、酞青蓝、酞青绿、包银粉、荧光粉、红颜料、珠光粉、颜料橙、耐晒大红、146永固桃红、254红、捡漏粉、金光红、铝银粉
- 主营：金属络合染料、溶剂染料、有机颜料、无机颜料
- 主营：十六烷基三甲基溴化铵、十二烷基甜菜咸、乳化剂、亚磷酸三丁酯、棕榈油、钛酸四丁酯、钛酸四乙酯
- 主营：高铁酸钾
- 主营：离子液体、阻燃剂、咪唑、催化剂、乙酰丙酮钴、正丁醇锆、四氟硼酸锂、香兰基丁醚、氟化物、全氟辛基三甲氧基硅烷、丙酮肟、双酚E型氰酸酯、叔丁基乙烯基醚、钯碳催化剂、钛硅分子筛、硫酸烟酰苯胺、丙酮缩氨基硫脲
- 主营：环氧树脂、固化剂、阻燃剂、助剂、丁腈橡胶、稀释剂、促进剂、交联剂、分散剂、消泡剂、炭黑、二氧化硅、聚硫醇、双氰胺、增韧剂、消光粉、抗氧化剂
- 主营：优氯净、甘氨酸、磷酸硼、水杨酸、硫酸锰、苯甲醇、平平加、正辛烷、一乙胺、磷酸氢、白僵菌、蛋白胨、碳酸镁、磷酸铝、异丁酸、叔丁醇、硫化钡、木质素、醋酸钡、硫化钙、氯化锌、黄原胶、磺酸钙、氟化镁、异丙醇