Overview
High purity 1,3-propanediol (1,3-PDO) is a diol compound with two hydroxyl groups, synthesized via chemical or bio-based routes. It is a critical raw material for high-performance polymers like polytrimethylene terephthalate (PTT), valued for its renewable sourcing potential and eco-friendly profile. Industrial-grade 1,3-PDO typically exceeds 99.5% purity, with impurities like water and residual catalysts minimized for specialized applications. Its production has expanded due to demand for sustainable alternatives in textiles and packaging.
Physical and Chemical Properties
1,3-PDO exhibits excellent solubility in polar solvents and moderate hygroscopicity. Its viscosity (56 cP at 25°C) and low vapor pressure make it suitable for formulations requiring stability under heat. The compound’s biodegradability aligns with green chemistry initiatives. Key chemical reactions include esterification (for polyesters) and oxidation to form aldehydes. Its thermal decomposition temperature (~180°C) ensures safety in polymer processing. Analytical methods like GC-MS and HPLC are used to verify purity.
Main Applications
The largest application is PTT fiber production, offering elasticity and stain resistance for carpets/apparel. In cosmetics, it acts as a humectant and solvent in creams/serums. Pharmaceutical uses include excipient formulations and drug delivery systems. Emerging applications include bio-based antifreeze and composite materials. Its renewable variants (e.g., from corn sugar) are gaining traction in eco-conscious markets, though cost remains a barrier for widespread adoption.
Safety and Storage
1,3-PDO requires handling with nitrile gloves and goggles due to mild skin/eye irritation. Storage tanks should be grounded to prevent static ignition. Spills can be neutralized with absorbents like vermiculite. Although not classified as highly flammable, keep away from open flames. Shelf life exceeds 2 years in sealed containers under nitrogen. Monitor for moisture absorption, which can affect polymer-grade purity.
B2B Procurement Guide
Bulk buyers should prioritize suppliers with bio-based production capabilities to meet sustainability goals. Request certificates of analysis (CoA) for each batch, testing for purity, acidity, and color (APHA <10). Logistics considerations include ISO tankers or HDPE drums for transport. Negotiate contracts with price adjustment clauses linked to feedstock (e.g., corn, petroleum) volatility. Sample testing is recommended before large orders.
Related Manufacturers
- 主营：鲁西辛醇、丙烯酸、丙烯酸异冰片酯、N-甲基吡咯烷酮、丙二醇甲醚醋酸酯、1.2丙二醇、环氧氯丙烷、二乙二醇、二乙二醇甲乙醚、二甲基亚砜、环己胺、二氯甲烷、乙二醇二甲醚、二氯乙烷、苯乙烯、丙烯酸丁酯、甲基丙烯酸、丙烯酸羟乙酯、丙烯酸异辛酯、二辛酯、溶剂油、衣康酸、甲基丙烯酸甲酯、正丁醇
- 主营：葵二酸、乙二醇、防锈剂、1303-86-2、防冻液、润滑剂、荧光绿、酒石酸、增稠剂、钛白粉、增白剂、k12粉状、丙三醇、建筑防水、去除异味、蒸气湿地、三乙醇胺、氨基硅油、厂家直发、水杨酸粉、铁黑颜料、异十三醇、十八酸铁、水产养殖、松香
- 主营：二甘醇、异辛醇、片碱、二丙二醇、甲基丙二醇、草酸、氢氧化钾、氨基磺酸、三羟甲基丙烷
- 主营：聚乙二醇、叔胺、伯胺、聚丙二醇、染料中间体
- 主营：谷氨酸、柠檬酸、精氨酸、1783-96-6、9003-11-6、5466-06-8、4767-03-7、4559-86-8、6920-22-5、3493-12-7、3697-42-5、9012-76-4、7601-54-9、3934-20-1、2687-91-4、1119-34-2、2744-50-5、2971-90-6、7462-74-0、4337-33-1、dl-泛醇、1984-06-1、6440-58-0、6020-87-7、碘化锂
- 主营：四甘醇、三甲基氰硅烷、三氟甲磺酸、1.3丙二醇、氢溴酸、四氢吡咯、间氨基三氟甲苯、三氟乙酸、对氯甲基苯乙烯、三氯氧磷、三氯化磷、三苯基氯甲烷、甲基磺酰胺、间羟基苯甲酸、无水三氯化铝、乙醇钠、一氯甲烷、乙胺、硫酸二乙酯、三甲基一氯硅烷、四甲基乙二胺、甲基环氧丙烷、叔丁醇钾、甲醇钠
- 主营：单宁酸、鞣花酸、没食子酸、丙二醇、二丙二醇、丁二醇、辛二醇、戊二醇、氯化十六烷基吡啶、没食子酸丙酯、三甲氧基苯甲醛
- 主营：羟基乙叉二膦酸、九水硫化钠、P507、1323、油酸
- 主营：三甘醇、五氧化二钒、纯牛骨蛋白胨、丙二醇脂肪酸酯乳化剂、牛油脂肪酸、氯偏乳液、苄基胂酸、漂粉精、苯甲醇、草酸镍、磷酸、六氟磷酸钾、次氯酸钙、钯碳、草酸钛钾、粘土固化剂、福美钠、戊二醛、碳酸钡、硝酸异辛酯、二甲基二硫代氨基甲酸、四氧化三铅、氯化锌、松醇油、磺化油、氟化氢钾
- 主营：乙二醇、二甲基亚砜、精对苯二甲酸、丙二醇、4-丁二醇、己二酸、聚乙烯醇、聚乙二醇、木质素、甘油、三甘醇、己内酰胺、叔十二硫醇、白油、对苯二甲酸二甲酯
- 主营：己二酸二酰肼、丙酸氯倍原料、亚乙基硫脲、2-甲基四氢噻吩-3-酮、3-甲基-2-丁硫醇、2-辛二醇、三氟甲基磺酸铋、醋酸钯
- 主营：阻燃剂、蒽甲醛、四氮唑、中间体、化工原料、香精香料、间甲基苯甲醛、单丁基氧化锡、二丙酸倍他咪松
- 主营：丙二醇、对二氧环己酮PDO、聚对二氧环己酮PPDO、乙交酯
- 主营：分析标准品、质控样品、试液、缓冲液、指示液、滴定液、标准溶液、标准物质、标准样品
- 主营：柠檬酸、三甘醇、乳化剂、丙二醇、二丙二醇、苯甲醇、乙二酸、三乙二醇、酒石酸钾钠、无水草酸、麦芽糊精、一乙醇胺、二甘醇、植物油酸、大苏打、异辛醇、硫代硫酸钠、磷酸二氢钠、三甲醇丙烷、一水葡萄糖、葡萄糖酸钠、椰树硬脂酸、表面活性剂、食品级甘油、二甲苯磺酸钠