5.33001

Acetic acid

100%, for LC-MS LiChropur^™

• 别名: 乙酸, 冰乙酸
• 线性分子式: CH₃CO₂H
• 化学文摘社编号: 64-19-7
• 分子量: 60.05
• UNSPSC Code: 51242002
• EC Index Number: 200-580-7
• NACRES: NB.21
• Beilstein/REAXYS Number: 506007
• MDL number: MFCD00036152
• Assay: ≥99.8% (acidimetric)
• Form: liquid

属性

• 产品名称: 100%乙酸, for LC-MS LiChropur^™
• vapor density: 2.07 (vs air)
• Quality Level: 100
• vapor pressure: 15.4 hPa ( 20 °C)
• assay: ≥99.8% (acidimetric)
• form: liquid
• autoignition temp.: 485 °C, 800 °F
• expl. lim.: 16 %, 92 °F, 4 %, 59 °F
• greener alternative product characteristics: Waste Prevention; Use of Renewable Feedstocks; Learn more about the Principles of Green Chemistry.
• sustainability: Greener Alternative Product
• technique(s): LC/MS: suitable
• refractive index: n20/D 1.371 (lit.)
• pH: 2.5 (20 °C, 50 g/L in H₂O)
• kinematic viscosity: 1.17 cSt(20 °C)
• bp: 117-118 °C (lit.)
• mp: 16.2 °C (lit.)
• transition temp: flash point 39 °C
• density: 1.04 g/mL at 25 °C (lit.)
• cation traces: Al: ≤2.0 ppm, Ca: ≤20.0 ppm, Cu: ≤1.0 ppm, Fe: ≤20.0 ppm, K: ≤2.0 ppm, Mg: ≤2.0 ppm, NH₄⁺: ≤10.0 ppm, Na: ≤5.0 ppm
• greener alternative category: Aligned
• storage temp.: 15-25°C
• SMILES string: [F2C(F2C)13F3C]C(O)=O
• InChI: 1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)
• InChI key: QTBSBXVTEAMEQO-UHFFFAOYSA-N

说明

General description

100%乙酸是LC-MS（液相色谱-质谱）应用中最常用的添加剂或溶剂。

We are committed to providing greener alternatives that adhere to the 12 Principles of Greener Chemistry. This acetic acid is bio-renewable and produced from sustainably sourced beechwood, minimizing waste and promoting resource efficiency. Thus it aligns with ′Waste Prevention′, and ′Use of Renewable Feedstocks′.

Application

100%乙酸可用作肽消化产物的CE-MS（毛细管电泳结合质谱）分析的背景电解质（BGE）。

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

安全信息

• pictograms: GHS02,GHS05
• signalword: Danger
• pcodes: P210 - P233 - P240 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A
• 存储类别: 3 - Flammable liquids
• wgk: WGK 1
• hcodes: H226,H314
• flash_point_f: 102.2 °F - closed cup
• flash_point_c: 39 °C - closed cup