Overview
n-Pentane solution is a hydrocarbon-based solvent consisting predominantly of n-pentane, a straight-chain alkane with five carbon atoms. As a volatile organic compound (VOC), it is widely utilized in industrial and laboratory applications due to its excellent solvency for non-polar substances. The solution is typically available in varying concentrations, with technical-grade (95%+) and high-purity (99%+) being most common in B2B transactions. In industrial contexts, n-pentane solutions are favored for their rapid evaporation rate and low residue, making them ideal for cleaning sensitive equipment or as a carrier solvent in coatings. The pharmaceutical industry employs it in extraction processes, while chemical manufacturers use it as a reaction medium or blowing agent for foam production.
Physical and Chemical Properties
n-Pentane solution exhibits characteristic physical properties of alkanes, including low density (0.626 g/cm³) and a narrow liquid range (melting at -130°C and boiling at 36°C). Its non-polar nature results in negligible water solubility but high miscibility with other organic solvents like acetone or toluene. The solution's vapor density (2.48, air=1) means vapors can accumulate near ground level, requiring careful ventilation. Chemically, n-pentane is relatively inert under standard conditions but reacts violently with strong oxidizers. Its autoignition temperature (260°C) and low flashpoint (-49°C) classify it as a highly flammable liquid. These properties necessitate specialized handling equipment, such as explosion-proof refrigerators for storage and conductive containers to prevent static discharge.
Main Applications
In industrial manufacturing, n-pentane solutions serve as key solvents for polystyrene and polyurethane foam production, where their volatility aids in pore formation during polymerization. The electronics industry utilizes high-purity grades for precision cleaning of circuit boards and optical components, capitalizing on its residue-free evaporation. Pharmaceutical applications include extraction of active compounds from botanicals and as a solvent for chromatography. Laboratories employ it in HPLC analyses and as a reaction medium for organometallic syntheses. Emerging uses include refrigerant blends and as a component in some aerosol propellants, though environmental regulations may limit these applications due to VOC concerns.
Safety and Storage
Handling n-pentane solutions requires strict adherence to fire safety protocols, including the use of intrinsically safe equipment in processing areas. Storage areas should be equipped with vapor detection systems and bonded/grounded containers to prevent static ignition. Secondary containment is recommended to manage potential leaks. Personnel must wear chemical-resistant gloves (e.g., nitrile) and splash goggles, with respiratory protection (organic vapor cartridges) needed for prolonged exposure. The solution's high vapor pressure necessitates engineering controls like local exhaust ventilation. Spill response kits should include non-sparking tools and absorbents like vermiculite, as water cannot effectively suppress pentane fires.
B2B Procurement Guide
Industrial buyers should prioritize suppliers that provide batch-specific certificates of analysis (CoA) detailing purity, water content, and impurity profiles. Packaging options range from 1L amber glass bottles for laboratory use to 200L steel drums or 1000L IBCs for bulk deliveries. Some manufacturers offer custom blends with stabilizers for extended shelf life. Logistics planning must account for hazardous material shipping regulations (UN1265 for road/sea transport). Some regions may require special permits due to pentane's status as a VOC. Consider just-in-time delivery for large quantities to minimize storage risks, and verify that suppliers meet ISO 9001 or similar quality management standards for consistent product specifications.
Related Manufacturers
- 主营：甘氨酸、甘氨酰、阻燃剂、3mol正戊烷溶液、甲醇钠、蒽甲酯、十八酸、溴壬烷、肉桂醇、葱油醇、肉桂醛、异丁酯、赖氨酸、叔丁醇、多佐胺、醛试剂、醇酯-12、乙氧基、脯氨酸、牛胆粉、癸酸酯、化合物、氟苯基、敏材料、氨酰胺、扁油酸
- 主营：全氟三丁胺、全氟三乙胺、全氟三丙胺、3mol正戊烷溶液、全氟聚醚、全氟萘烷、全氟己酮、羟基磷灰石、生物活性玻璃、布洛芬、溴壬烷、磷酸铵、甲乙基、褪黑素、嘧啶钠、莪术油、显色剂、叔丁醇、茜素红、乙氧基、异戊醇、脯氨酸、茚三酮、氯唑沙
- 主营：珍珠粉、菱镁矿、磷石膏、氟溶液、正辛烷、矿石金、小麦铅、铝土矿、阻燃剂、磷元素、氯霉素、钼矿石、南瓜粉、同位素、250ml/瓶、土壤成、贫铁矿、水杨酸、玄武岩、六价铬、石油烃、硅铝钡、富锰渣、硅钙钡、小麦粉
- 主营：正戊烷、存放柜
- 主营：四氢噻吩、三甲基戊烷、乙硫醇、正己烯、正己烷、二甲基亚砜、氧化三甲胺、环丁砜、单氰胺、氟硅酸、氯乙酸、氯乙酸钠、叔丁硫醇、对叔丁基邻苯二酚、氟硼酸、溶剂油、乙硫氨酯、苯扎溴铵、三聚氯氰、亚磷酸三苯酯、对氟苯胺、邻苯基苯酚、苯酚、叔十二硫醇、二甲基二硫醚
- 主营：260号溶剂油、二甲硫基甲苯二铵、二乙基甲苯二铵、正戊烷、硅油、二月桂酸二丁基锡、丙二醇、甘油丙三醇、对甲苯磺酰氯、聚乙二醇、丙二醇丁醚、乙二醇丁醚、乙酯、二甲苯、硫酸镍、氯化镍、氯化锌、溶剂油120号/150号/200号、D系列溶剂油D40/D60/D80、环保溶剂油D100/D110/D130、磺化煤油、莫卡/橡胶硫化剂
- 主营：戊二醇、聚醚胺、苯乙烯、正戊烷、正辛烷、正辛醇、苯乙酮、异己烷、三乙胺、叔丁醇、二甲苯、环戊烷、甲酰胺、仲丁醇、异辛酸、二乙胺、异丁醇、氯化苄、异壬酸、异辛烷、丙二醇、乙二醇、二氯甲烷、二氯乙烷、氯化石蜡
- 主营：防冻液、食用酒精、141B发泡剂、正戊烷、洗网水、LG异丙醇、二氯甲烷、除胶剂、洗枪水、二乙醇胺、甘油、脱膝剂、丙三醇、三乙醇胺、二甲基乙酰胺、增塑剂DOP、聚氨酯发泡剂、工业酒精、化白水、PMA、丙二醇、白油、清洗剂、二甲苯、无水乙醇、去渍油
- 主营：增塑剂、二甲基亚砜、顺酐、正戊烷、环丁砜、二甲基二硫醚、赋臭剂、四氢噻吩加臭剂、环戊烷、塑化剂、二辛酯、石油醚、异丁醇、氯化苄、叔十二硫醇、硬脂酸钙、树脂涂料、四氢噻吩、化学试剂、国标染料、氯乙酸、硬脂酸锌、乙二醛、异辛烷、橡胶塑料
- 主营：增塑洗涤剂、间二甲苯、乳化剂、正戊烷、防冻液、丙二醇、三甲苯、苯乙烯、溶剂油、钛酸四丁酯、甲醇、乙醇、仲辛醇、异丙醇、85磷酸、碳酸丙烯酯、甲基丙烯酸、丙烯酸羟乙酯、二甲苯、脂肪酸甲酯、甲酸、氨水、丙烯酸、草酸、聚乙二醇
- 主营：120号溶剂油、150号溶剂油、200号溶剂油、正十四烷、260号溶剂油、白油、D40溶剂油、D60溶剂油、D80溶剂油、D130溶剂油、磺化煤油、丙二醇、对甲苯磺酰氯、莫卡、聚乙二醇、二茂铁、石蜡、乙二醇、铝粉膏、抗氧剂T501、甲基丙烯酸缩水甘油酯、甲基叔丁基醚、乙二醇丁醚、甲缩醛、石脑油
- 主营：120号溶剂油、150号溶剂油、200号溶剂油、正十四烷、D40溶剂油、D60溶剂油、D80溶剂油、D130溶剂油、260号溶剂油、磺化煤油、丙二醇、对甲苯磺酰氯、莫卡、聚乙二醇、异构十二烷、甲基叔丁基醚、铝粉膏、二甲硫基甲苯二胺、二乙基甲苯二胺、石蜡、白油、乙二醇丁醚、硫酸铜、氯化镍、溶剂油
- 主营：聚乙二醇、聚丙二醇、叔胺、正戊烷、伯胺、染料中间体
- 主营：四氢噻吩、乙硫醇、二甲基亚砜、正辛硫醇、正己烷、二甲基二硫、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、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：环乙烷、苯乙烯、丁醇nba、正丁醇、二甲苯、缩甲醛、石油醚、燃料油、石脑油、异辛醇、清洗剂、环己烷、溶剂d80、甲缩醛、增塑剂、稀释剂、溶剂油、黄腐酸、工业丁醇、工业酒精、油漆涂料、溴丁烷、辛醇、航空煤油
- 主营：十六烷基三甲基溴化铵、十二烷基甜菜咸、乳化剂、正戊烷、亚磷酸三丁酯、棕榈油、钛酸四丁酯、钛酸四乙酯