一二三精品区_国产AV一二三无码影片_国产一二三四五区_含着奶头搓揉深深挺进视频_欧美国产日韩久久_亚洲精区二区三区四区麻豆










                            
網站首頁 企業介紹 企業榮譽 產品訂單 產品中心 企業采購 聯系方式
 


名稱:丙二酸單乙酯鉀鹽
 

純度:99% 包裝:25kg/桶

結構式
    

CAS: 6148-64-7
分子式: C5H7KO4
分子量: 170.20
 
中文名稱: 丙二酸單乙酯鉀鹽
 
英文名稱: ethyl potassium malonate
                      monoethyl malonate potassium salt
                      potassium monoethyl malonate
 
性狀描述: 類白色結晶粉末,熔點194℃,可溶于水。
 
質量標準:
外觀           白色粉末
含量           ≥99.0%
干燥失重   ≤0.50% 

用途:有機合成試劑,醫藥中間體。

其它信息:
Product Identification
【Product Name】Ethyl potassium malonate 丙二酸單乙酯鉀鹽
【Synonyms】
Potassium 3-ethoxy-3-oxopropanoate
Propanedioic acid, monoethyl ester, potassium salt
【CAS】6148-64-7
【Formula】C5H7KO4
【Molecular Weight】170.21
【EINECS】228-156-7
【Beilstein/Gmelin】3721682
【Beilstein Reference】3-02-00-01609

Physical and Chemical Properties
【Appearance】White powder.
【Solubility in water】Freely soluble
【Melting Point】200

First Aid Measures
【Ingestion】Get medical aid. Wash mouth out with water.
【Inhalation】Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and Storage
【Storage】Store in a cool, dry place. Store in a tightly closed container.
【Handling】Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.

Hazards Identification
【Ingestion】May cause irritation of the digestive tract. May be harmful if swallowed.
【Inhalation】Causes respiratory tract irritation. May be harmful if inhaled.
【Skin】Causes skin irritation. May be harmful if absorbed through the skin.
【Eyes】Causes eye irritation.
【EC Safety Phrase】S 22 24/25

Exposure Controls/Personal Protection
【Personal Protection】Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Fire Fighting Measures
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity
【Stability】No data.
【Incompatibilities】Strong oxidizing agents.
【Decomposition】Carbon monoxide, carbon dioxide.
Transport Information
【HS Code】2917 19 10


選購說明:
1、歡迎選購本公司產品,撥打電話后,我們會為您送貨上門,并提供滿意的銷售服務。
2、本公司丙二酸單乙酯鉀鹽價格實惠,質量可靠,出庫時可提供質檢報告和丙二酸單乙酯鉀鹽廠家說明書等資料。

 
衢州明鋒化工有限公司          Copyright ©2020       技術支持:瑞爾豐化工網
主站蜘蛛池模板: 国产精品一二三区在线观看 | 亚洲av无码一区二区大桥未久 | 国产成人无码精品久久久小说 | 无码中文字幕日韩专区 | 嫩草九九九精品乱码一二三 | 国产在线精品免费AAA片 | 久久人人爽人人爽人人片av高请 | 国产成人1区 | 黄色av免费在线 | 511yc影院免费理论片 | 国产一精品一aⅴ一免费 | 亚洲看片lutube在线观看 | 国产人成在线视频免费播放 | 老司机午夜免费 | 少妇淫片免费看 | 亚洲成人黄色网址 | 国产盗摄一区二区三区在线 | 亚洲天堂久久久 | 多啪啪免费视频 | 欧美牲交作爱在线 | 在线观看免费国产小视频 | 日韩免费卡一卡二新区 | 国语对白一区二区 | 久久精品国产一区老色匹 | 特级毛片免费 | 国产亚洲精品久久久美女18黄 | 日本大片免费观看视频 | 国产精品亚洲一区二区三区正片 | 免费丝袜脚足控网站 | 91久久极品少妇xxxxⅹ软件 | 国产三级在线观看播放 | 人与禽一级一级毛片 | 青青草原综合久久大伊人精品 | 一级做a爰片性色毛片 | 成年在线网站免费观看无广告 | 成人h免费观看视频 | 亚洲国产精品久久久久久 | 欧美5区| 4388成人网| 亚洲一二三四区不卡 | 国产精品无码久久久久成人影院 |