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叶酸原料药生产厂家@采购新闻
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发布日期:2020/4/17 17:52:21
更新日期:2021/1/14 10:51:51
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欢迎来电询价销售负责人杨经理:17671789178微信同号 QQ: 2469733508 (随时可联系,节假日不休息)
叶酸原料药相关信息参见下表:
中文名称 叶酸
别名 维生素M; 维生素B9
CAS号 59-30-3
含量 99%
功能用途 抗贫血药,用于症状性或营养性巨细胞型贫血症。
包装规格 25kg/桶
外观性状 黄色或橙黄色结晶性粉末。无臭无味。加热至250℃左右,色渐变深,**后成黑色胶状物。不易溶于水和乙醇。微溶于甲醇。易溶于酸性或碱性溶液
存储方法 密封包装。阴凉、干燥处存放。
咨询热线 杨经理027-59232857;17671789178(微信同号)
英文名称: Folic acid (BP/USP,Kosher certificate)
叶酸原料药CAS 59-30-3
EINECS:200-419-0
分子式:C19H19N7O6
分子量:441.400
熔点:250℃
性质:叶酸原料药呈淡橙黄色结晶或薄片。约250℃变暗,不熔融而发生炭化。溶于热的稀盐酸和硫磺,略溶于乙酸,酚吡啶,氢氧化碱和碳酸碱溶液,微溶于甲醇,不溶于乙醇和丁醇,不溶于醚、氯*仿和苯。在25℃水中溶解度仅0.0016mg/mL,沸水中约溶1%,1g叶酸于10mL水中的悬浮液,pH为4.8-4.8。
叶酸用途:叶酸(Folic acid)维生素B复合体之一,相当于蝶酰谷氨酸(pteroylglutamic acid,PGA),是米切尔(H.K.Mitchell,1941)从菠菜叶中提取纯化的,故而命名为叶酸。有促进骨髓中幼细胞成熟的作用,人类如缺乏叶酸可引起巨红细胞性贫血以及白细胞减少症,对孕妇尤其重要。
叶酸原料药包装规格:25公斤/纸板桶
叶酸原料药贮存方法: 避光、避热、防潮、密封保存。原包装保存条件下,保质期为36个月,开封后请尽快使用
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今年5月份西安法院受理了一个案子,起因是某地几个环保监测点的数据发现了异常,极高极低,结果一查,发现取样口被戴了‘口罩’。”在十二届全国 会第二十八次会议新闻发布会上,环保部政策法规司司长别涛介绍了这样一个案例。他说,这是一个非常典型的干扰监测设备、监测数据造案件,环保部在过程中也发现了监测数据弄虚作的行为。环境监测是环境保护的重要基础,如果数据都是的,如何正确施策?为了避免类似情况再次发生,新修订水污染法对保障监测数据的真实性、准确性作了针对性规定。
公司介绍
Wuhan Kenneng Chemical Co., Ltd. is located in central China's Wuhan City, Wuhan, Changfeng Village Industrial Park, covers an area of more than 10,000 square meters, is a production, research and development, sales as one of the high-tech enterprises. Division I existing hundreds of employees, there are independent professional research and development team composed of more than 30 people and 7 sales business departments composed of marketing center, mainly for the country's cities, although won more than a thousand enterprises long-term strategic partners and most of the customer's praise, but we are still in the pursuit and exploration.
The company spirit of "quality is life, service is the soul" business philosophy, to excellent staff, high-end service, the mouth-to-mouth, praise such products lead to domestic and foreign.
Operating mission: Kenneng - to provide satisfactory products, quality service to first-class products and quality services, to meet the needs of the market, ken can people strive for the mission pursuit. Quality policy: the national first-class, leading the market under the leadership of the chairman, the company's guiding ideology and commitment to quality, clearly to lead the same industry.
Wuhan Keneng Chemical Co. , Ltd. persistent pursuit of excellence in quality and perfect brand and corporate image, adhering to the "honest, hard-working, refined, upward" spirit of enterprise, the quality of the product is the blood of the enterprise, the trust of customers is the life of the enterprise, so we deeply understand that giving up their own blood is the truth of losing their own lives, To first-class products and quality services to meet the needs of the market.
We are willing to work with the vast number of new and old customers in good faith cooperation, hand in hand, create a win-win situation!