Overview
Common reagents are fundamental chemicals used across laboratories, industries, and research institutions. They include acids (e.g., hydrochloric acid), bases (e.g., sodium hydroxide), solvents (e.g., ethanol), and indicators (e.g., phenolphthalein). These reagents are standardized for purity and quality to ensure reproducible results in experiments and processes. Reagents are categorized by grade, such as analytical grade, laboratory grade, and industrial grade, each suited for specific applications. Their versatility makes them indispensable in fields like pharmaceuticals, environmental testing, and education. Proper handling and storage are critical to maintaining their efficacy and safety.
Physical and Chemical Properties
The physical and chemical properties of common reagents vary widely. Acids and bases often exhibit corrosive properties, while solvents may be flammable or volatile. Indicators change color at specific pH levels, aiding in titrations. Purity is a key factor, with analytical-grade reagents typically exceeding 99% purity. Density, melting/boiling points, and solubility depend on the chemical composition. For example, concentrated sulfuric acid is dense (1.84 g/cm³) and highly hygroscopic, whereas acetone is a low-boiling (56°C) solvent. Understanding these properties ensures safe and effective use.
Main Applications
Common reagents are used in diverse applications. In laboratories, they facilitate qualitative and quantitative analyses, such as titrations and spectrophotometry. Industries employ them for synthesis, quality control, and wastewater treatment. Pharmaceuticals rely on high-purity reagents for drug formulation, while agriculture uses them in fertilizer production. Environmental labs test water and soil samples using reagents like potassium dichromate for COD measurements. Their role in education includes teaching fundamental chemical principles and safety protocols.
Safety and Storage
Safety is paramount when handling common reagents. Corrosive substances require acid-resistant containers and fume hoods, while flammable reagents need fireproof storage. Always use PPE, including gloves, goggles, and lab coats. Storage conditions vary: acids should be kept in ventilated cabinets, oxidizers away from organics, and light-sensitive reagents in amber bottles. Labeling and segregation by hazard class prevent accidents. Spill kits and emergency protocols must be accessible. Regular inspections ensure containers are intact and properly sealed.
B2B Procurement Guide
Procuring common reagents requires attention to supplier reliability, product specifications, and regulatory compliance. Prioritize vendors with ISO certifications and batch-specific COAs (Certificates of Analysis). Consider purity grades (e.g., ACS, USP) and packaging options (bulk vs. pre-packaged). Pricing depends on volume, with discounts for bulk orders. Lead times and storage capabilities should align with usage rates. Establish long-term contracts with trusted suppliers to ensure consistent quality and avoid shortages.
Related Manufacturers
- 主营：卡尔费休试剂
- 主营：葡萄糖水处理、工业葡萄糖液体、液体葡萄糖、工业葡萄糖、复合碳源
- 主营：[]
- 主营：[]
- 主营：无水氯化钙、十水碳酸钠、二水氯化钙、试剂级二水氯化钙、无水碳酸钠、黑色碳分子筛、分子筛活化粉、分子筛、碳分子筛、活性氧化铝、偏磷酸
- 主营：[]
- 主营：丙二醇、丙烯酸、异丙醇、无水乙醇、棕榈油、三乙胺、环己烷、苯酚、甲醇、甲基丙烯酸甲酯、丙烯酸羟乙酯、三乙醇胺、二甲基亚砜、苯扎溴铵、醋酸乙烯、丙烯酸丁酯、乙腈、二甲苯、二甲基硅油、丙烯酸甲酯、丙烯酸异辛酯、丙烯酸羟丙酯、二甲基海因、二甲基甲酰胺DMF
- 主营：增塑剂、二甲基亚砜、顺酐、化学试剂、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、国标染料、氯乙酸、硬脂酸锌、乙二醛、异辛烷、橡胶塑料
- 主营：油气回收检测仪、便携式活性炭碘值检测、烟花爆竹探测器、水质快检试剂包、便携式明渠流量计、单人防护装备、个人剂量报警仪、氢火焰离子化检器、手持热电风速仪、水样采样设备、便携式噪声检测仪、多参数气体检测仪、热成像泄漏检测仪、土壤重金属检测仪、移动源执法监测设备、水质指纹预警溯源仪、便携式烟气分析仪、便携式恶臭检测仪、便携式油烟检测仪、林格曼黑度检测仪、消耗臭氧层物质检测仪、应急防护包、辐射防护包、个人防护包、油气回收多参数检测仪
- 主营：食品添加剂、工业印染助剂保险粉、雕白块吊白粉、五氧化二钒、工业及食品及片碱粒碱、电镀原料、污水处理剂、消毒剂、洗涤原料、英轩柠檬酸系列、葡萄糖、重金属捕捉剂、石油助剂、水溶农用肥料、表面活性剂、过碳酸钠、电镀催化剂
- 主营：科研试剂盒、酶免试剂盒、elisa试剂盒、生物试剂、进口ELISI试剂盒、PCR试剂盒、细胞
- 主营：花生酸、碳酸钠、单氟磷酸钠、丁基羟基茴香醚、鱼大豆酵母原料
- 主营：防冻液、冰醋酸、乙二醇、冰乙酸、纯吡啶、丙二醇、羟基苯、14丁二醇、3-丙三醇、四氢呋喃、环保乙腈、化工苯酚、1.4丁二醇、医用苯酚、工业苯酚、精制苯酚、价位四氢、乙腈工业、乙酸乙酯、吡啶化工、甲酸乙酯、吡啶工业、求购苯酚、高纯三氯、实验乙腈
- 主营：无水乙醇、实验室溶剂、无水甲醇、四氢呋喃、乙腈、二氯甲烷、二甲基甲酰胺、异丙醇、苯甲醇、丙三醇、甘露醇、十六醇、十八醇、草酸、磷酸、硼酸、碘化钾、标准溶液、实验室耗材
- 主营：分析仪、云高仪、测定仪、生物试剂、激光雪、便携水质、总辐射表、比率测量、实验室总、水质分析、计数琼脂、哈希仪器、便携式分光、钠离子分析、陆桥培养基、高温消解仪、水质检测仪、实验室陆桥、色度检测仪、电导率传感器、中检所标准品、污水处理控制、便携式比色计
- 主营：青霉素钾、生物缓冲剂、有机磷化合物、二甲胺盐酸盐、肾上腺素盐酸盐、氯铂酸六水合物、D-氨基丙醇 CAS、7-甲基色胺、5-氯-2-甲氧基苯、4-溴吡啶-2-甲醛、2-(嘧啶-2-基)、螺[4、5]癸烷-6、瑞香[草]氫醌、3-甲氧基苯硫酚、1-溴-4-(甲基亚、6-喹啉乙酸、2-甲胺基四氢吡喃、医药中间体、精细化学品、2-吡啶乙酸乙酯、氯甲酰基)乙酸乙酯、4-二甲基苄胺、2-(3-氯苯氧基)
- 主营：索氏提取器、氮吹仪系列、各类蒸馏仪系列、固相萃取装置、液液萃取仪、光化学反应仪、COD/石墨/微波消解仪、喷雾干燥机、细胞分类计数器
- 主营：甘氨酸、胺原粉、呋虫胺、辛硫磷、噻唑膦、甘宝素、酸原粉、乙磷铝、醇原粉、盐酸胍、嘧菌酯、盐原粉、脲原粉、甲霜灵、苯氧威、丁醚脲、灭草松、威原粉、茚虫威、诱导剂、乙烯利、吡虫啉、增甘膦、中间体、vc乙基醚
- 主营：催化剂、cy5四氮、活性脂、peg试剂、试剂cas、苯二胺、2406-34-0、乙氧基、环辛烯、生物素、cb-cyclam、实验室、dbco-acid、半乳糖、溴苯基、交联剂、环己炔、荧光素、3694-51-7、ac4galnal、2001-96-9、葡萄糖、环辛炔、直发cas、糖化学
- 主营：山梨酸钾、羟基嘧啶、吡唑啉酮、清凉茶酸、山梨酸钙、磺酸苯基、叔丁基锂、双乙烯酮、基氨基锂、氯乙酰氯、三正丁基、四羟甲基、乙酰苯胺、甲基苯基、氯羟吡啶、硫酸磷脲
- 主营：819刀片、PCR管、微孔板、蛋白定量试剂盒、细胞板、蛋白酶、八联管、转印膜、病理刀片、免疫组化笔、细胞计数板、离心管、降温盒、移液槽、病理切片石蜡、PBS片剂、ECL发光液、二甲基亚砜、PCR封板膜、梯度降温冻存盒、PVDF转印膜、盒装吸头、内皮细胞培养基ECM、湿转印仪、牛血清白蛋白