应用
Ammonium acetate is a reagent used in chromatographic analysis of various compounds such as oligos, proteins, and peptides. It is also employed with acetic acid to provide a buffer solution. Generally it behaves as a catalyst in many reactions like Knoevenagel, Borch. It is also employed as a nutrient additive.
Grade Specifications
Maximum level of impurities: Insoluble matter 0.0005%, Residue after ignition 0.01%, pH of a 5% solution 6.7-7.3 at 25?, Cl 5ppm, NO3 0.001%, SO4 0.001%, Heavy Metals (as Pb) 5ppm, Fe 5ppm
备注
Ammonium acetate is stable but deliquescent and it tends to lose ammonia. Decomposes in hot water. It is hygroscopic in nature.
基本信息
MDL
MFCD00013066
EINECS
211-162-9
分子式
CH3COONH4
分子量
77.08
熔点
ca 114° dec.
闪点
136°(277°F)
密度
1.17
灵敏度
Hygroscopic. Store under Nitrogen. Ambient temperatures.
形态
Crystalline
溶解性
Soluble in cold water, methanol , SO2 and acetone.
Beilstein
4186741
Merck
14,495
GHS危害和防范说明
GHS符号
Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.
Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.
安全信息
危险类别
36/37/38
Irritating to eyes, respiratory system and skin.
安全等级
26-37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.This material and its container must be disposed of as hazardous waste
RTECS
AF3675000
TSCA
是