Trimethylol
Overview
Trimethylol, also known as trimethylolmethane, is a trihydric alcohol with three hydroxyl groups attached to a central carbon atom. It is a versatile intermediate in organic synthesis and industrial chemistry. The compound is valued for its ability to form stable crosslinked structures, making it essential in polymer and resin production. Trimethylol is synthesized through the condensation of formaldehyde with other aldehydes or ketones. Its high reactivity and polyfunctionality enable its use in diverse applications, from coatings to specialty chemicals. Industrial-grade trimethylol typically has a purity of 99% or higher, ensuring consistent performance in manufacturing processes.
Physical and Chemical Properties
Trimethylol appears as a white crystalline powder with a mild odor. It has a molecular weight of 132.16 g/mol and a density of 1.33 g/cm³. The compound melts at 200-203 °C and is highly soluble in water and polar solvents like ethanol and acetone. Chemically, trimethylol exhibits high reactivity due to its three hydroxyl groups, which participate in esterification, etherification, and condensation reactions. It is stable under normal storage conditions but may decompose at elevated temperatures or in the presence of strong oxidizing agents. These properties make it suitable for applications requiring thermal and chemical resistance.
Main Applications
Trimethylol is a key raw material in the production of alkyd resins, polyurethanes, and epoxy coatings. Its ability to form crosslinked networks enhances the durability and adhesion of these materials. In the adhesives industry, it serves as a modifier to improve flexibility and moisture resistance. The compound is also used in plasticizers, where it acts as a stabilizer and crosslinking agent. Specialty applications include flame retardants, lubricants, and pharmaceutical intermediates. Its versatility and performance make it indispensable in sectors such as automotive, construction, and electronics.
Safety and Storage
Trimethylol poses moderate health risks, including irritation to the skin, eyes, and respiratory system. Proper personal protective equipment (PPE), such as gloves and goggles, is recommended during handling. In case of exposure, rinse affected areas with water and seek medical advice if symptoms persist. Storage conditions should prioritize dryness and cool temperatures to prevent degradation. The compound should be kept in tightly sealed containers away from oxidizing agents and direct sunlight. Bulk storage in industrial facilities requires compliance with local chemical safety regulations.
B2B Procurement Guide
Industrial buyers should prioritize suppliers with certifications such as ISO 9001 to ensure product quality and consistency. Key procurement considerations include purity levels (typically 99% or higher), packaging options (e.g., 25 kg bags or bulk shipments), and logistical support. Price negotiations often hinge on order volume, with discounts available for large-scale purchases. Buyers are advised to request material safety data sheets (MSDS) and conduct third-party testing if necessary. Long-term contracts with reliable suppliers can mitigate price volatility and ensure supply chain stability.
Related Manufacturers
- 主营：EEP溶剂、3-乙氧基丙酸乙酯、MMP溶剂、甲基正戊基甲酮、甲基异戊基酮、季戊四醇三烯丙基醚、3-甲氧基丙酸甲酯、MAK溶剂、2-庚酮、MIAK溶剂、DIBK溶剂、MBA溶剂、IBIB溶剂、异丁酸异丁酯、AAEM单体、APE单体、TMPDE单体、涂料溶剂、光刻胶溶剂、中慢干溶剂、环保溶剂、低VOC溶剂
- 主营：乙醇酸、肥料工业、乙酰丙酮、二甲基、三乙基氯化铵、分析试剂、对苯二胺、十二羟基、化工国标、精己二酸、二异丁腈、次亚磷酸、氯化亚锰、无水草酸钠、无水醋酸钠、饲料添加剂、无水氯化锰、杀菌灭藻剂、二甲氨基乙酯
- 主营：石蜡油、氯化石蜡、乙酰乙酸甲酯、十二烷基苯磺酸、香精、柔顺剂、表面活性剂
- 主营：注射级海藻糖、苯甲醇、甜菊糖苷、三乙醇胺、注射级甘露醇、牛磺酸、醋酸钠、木糖醇、黄原胶、甘露醇、大豆油、薄荷脑、注射级木糖醇、二甲硅油、卡波姆、枸橼酸、磷酸氢二钠、磷酸氢二钾、明胶、十六醇、十八醇、聚维酮k30、注射级甘油
- 主营：120号溶剂油、150号溶剂油、200号溶剂油、甲基丙烯酸缩水甘油酯、甲基叔丁基醚、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、乙二醇丁醚、甲缩醛、石脑油、正十四烷
- 主营：四甘醇、氢溴酸、四氢吡咯、三甲基氰硅烷、三氟甲磺酸、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、无水三氯化铝、三甲基一氯硅烷、四甲基乙二胺、甲基环氧丙烷、间羟基苯甲酸、乙醇钠、一氯甲烷、1.3丙二醇、乙胺、硫酸二乙酯、叔丁醇钾、甲醇钠
- 主营：二甲苯、d40溶剂、苯甲醇、甲基叔丁基醚、白电油、石脑油、清洗剂、水溶肥、d60工业、稀释剂、溶剂油、正丁醇、正辛醇、桶装甲醇、单乙醇胺、辛醇、航空煤油、正辛烷、异丙醇、硫酸钙晶须、正己烷、正庚烷、石油醚
- 主营：乙二醛、己二胺、1.4二氧六环、三氯乙烯、苄基三乙基氯化铵、邻苯二酚、对苯二酚、间苯二酚、吗啉、乙酰丙酮、环己烯、对甲苯磺酸、喹啉、次磷酸、次磷酸钠、偶氮二异丁腈、对苯二胺、间苯二胺、邻苯二胺、五氧化二磷、邻二氯苯、巯基乙醇、巴豆醛、正十二烷基硫醇、叔十二烷基硫醇
- 主营：UV单体、阻燃剂、增塑剂、光引发剂、生物化工中间体
- 主营：杜仲素、对位酯、丙烯酸酯、三羟甲基氧化膦、二氧化硫脲、乙基麦芽酚、饲料添加剂、油酸基硬脂酸、二苯基硅二醇
- 主营：架桥剂、YW100 锂萃取剂、端羧基液体丁腈橡胶、全氟三丁胺、β-磷酸三钙、原丁酸三甲酯、10-羟基癸酸、苯乙烯磷酸、肉豆蔻酸镁、硬脂酸钴、乙烯基磷酸二乙酯、磷酸锰铁锂、十一烯酸、钨酸铝、1-乙炔基环已醇、间二异丙苯、锂硅合金、溴甲酚绿、生物活性玻璃、溴代海因树脂颗粒、红铝、龙涎酮
- 主营：离子液体、咪唑、催化剂、5-二甲基吡唑、全氟辛基三甲氧基硅烷、阻燃剂、正丁醇锆、四氟硼酸锂、香兰基丁醚、氟化物、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：异丙醇、冰醋酸、化工原料、甲基环己烷、正庚烷、乙二醇、苯酚、江苏异丙醇、江苏化工原料、工业吡啶、工业苯酚、正丁醇、MIBK、无水乙醇、正己烷
- 主营：全氟三丁胺、木质素、吉氏色素
- 主营：甘氨酸、水苏糖、阻燃剂、乙氧基化三羟甲基丙烷、硫酸锌、硫酸锆、硫酸锂、硫酸锶、硫酸锰、铝酸锌、1680-21-3、牛磺酸、褪黑素、磷酸铁、丙酸铵、苏云金、碳酸镁、麝香酮、肉桂醛、磷酸铝、王浆酸、椰油胺、赖氨酸、增塑剂、浸膏粉、乙氧基
- 主营：6-二羟基吲哚、磷钼酸、艾拉莫德中间体、甲基丙二酸、甲基丙烯酸氧杂环丁烷、光引发剂、苯芴醇、溴芬酸钠中间体、樟脑醌、钼酸钾、丝素蛋白、盐酸胍、β-丙氨酸甲酯盐酸盐、聚二羟基吲哚、7-去氢胆固醇、甘氨胆酸钠盐、半叶素、胆固醇、2-辛基十二醇、蛋白酶K、D-荧光素钾盐、光引发剂LAP、BIS-TRIS