CAS：38330-80-2
分子式：C4H5KO4
分子量：156.17

中文名称： 单甲基丙二酸单钾
丙二酸单甲酯钾盐

英文名称： monomethyl monopotassium malonate
Ethyl potassium malonate
Potassium monoethyl malonate

性质描述： 类白色粉末，熔点约200℃。

质量标准：
外观 白色粉末
含量 ≥99.0%
干燥失重 ≤0.50%

用途：有机合成试剂，医药和农药中间体，如Flupyradifurone，以丙二酸单甲酯钾盐、2,2-二氟乙胺和2-氯-5-氯甲基吡啶为起始原料经酰胺化反应、还原反应、胺化反应合成而得。

Product Identification
【Product Name】Potassium 3-methoxy-3-oxopropanoate (丙二酸单甲酯钾盐）
【Synonyms】Methyl potassium malonate
Potassium 3-methoxy-3-oxopropanoate
Potassium ethyl oxalate
Propanedioic acid, monomethyl ester, potassium salt
【CAS】38330-80-2
【Formula】C4H5KO4
【Molecular Weight】156.18
【EINECS】253-886-8
【Beilstein/Gmelin】3633585
Physical ａnd Chemical Properties
【Appearance】White solid.
【Melting Point】204~207℃
First Aid Measures
【Ingestion】If victim is conscious ａnd alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
【Inhalation】Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
【Skin】Get medical aid. Flush skin with plenty of soap ａnd water for at least 15 minutes while removing contaminated clothing ａnd shoes. Remove 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 immediately.
Handling ａnd Storage
【Storage】Store in a cool, dry place. Store in a tightly closed container.
【Handling】Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with skin ａnd eyes. Use only in a chemical fume hood.
Hazards Identification
【Ingestion】May cause perforation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
【Inhalation】May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
【Skin】No information regarding skin irritation ａnd other potential effects was found.
【Eyes】No information regarding eye irritation ａnd other potential effects was found.
Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA＇s eye ａnd face protection regulations in 29 CFR 1910.133 or European Standard EN166. 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
【Disposal Code】3
【Stability】Stable under normal temperatures ａnd pressures.
【Incompatibilities】Strong oxidizing agents.
【Decomposition】Carbon monoxide, carbon dioxide.
Transport Information
【HS Code】2917 19 10