34851

乙腈

≥99.9%, gradient grade, suitable for HPLC

• 别名: ACN, 乙腈, 氰甲烷, 甲基氰
• 线性分子式: CH₃CN
• 化学文摘社编号: 75-05-8
• 分子量: 41.05
• NACRES: NA.03
• PubChem Substance ID: 329755061
• eCl@ss: 39031501
• UNSPSC Code: 41116105
• EC Number: 200-835-2
• MDL number: MFCD00001878
• Beilstein/REAXYS Number: 741857
• Grade: gradient grade
• Assay: ≥99.9%
• Technique(s): HPLC: suitable
• Application(s): food and beverages
• Bp: 81-82 °C (lit.)
• Vapor pressure: 72.8 mmHg ( 20 °C)

属性

• 产品名称: 乙腈, suitable for HPLC, gradient grade, ≥99.9%
• InChI key: WEVYAHXRMPXWCK-UHFFFAOYSA-N
• InChI: 1S/C2H3N/c1-2-3/h1H3
• SMILES string: CC#N
• grade: gradient grade
• vapor density: 1.41 (vs air)
• vapor pressure: 72.8 mmHg ( 20 °C)
• assay: ≥99.9%
• form: liquid
• autoignition temp.: 973 °F
• expl. lim.: 16 %
• baseline drift measuring range: ≤15 mAU (210 nm)
• technique(s): HPLC: suitable
• impurities: ≤0.0002% free alkali (as NH₃); ≤0.0005% non-volatile matter; ≤0.001% free acid (as CH₃COOH); ≤0.02% water (Karl Fischer); ≤0.5 ppb fluorescence (quinine) at 365 nm; ≤1 ppb fluorescence (quinine) at 254 nm
• refractive index: n20/D 1.344 (lit.)
• bp: 81-82 °C (lit.)
• mp: −45 °C (lit.)
• density: 0.786 g/mL at 25 °C (lit.)
• HPLC-gradient: ≤0.5 mAU at 254 nm; ≤3 mAU at 210 nm
• UV absorption: λ: 195 nm A_max: ≤0.12; λ: 200 nm A_max: ≤0.032; λ: 230 nm A_max: ≤0.0044; λ: 235 nm A_max: ≤0.0044; λ: 250 nm A_max: ≤0.0044; λ: 400 nm A_max: ≤0.0044
• application(s): food and beverages
• format: neat
• storage temp.: room temp
• Quality Level: 100

说明

Packaging

查看可回收的容器产品。

Preparation Note

产品经0.2 μm滤器过滤

Application

乙腈（MeCN）可作为萃取溶剂用于水果和蔬菜中农药残留物的定量。

General description

乙腈（MeCN）在多项泛被用作溶剂，并具有较高的介电常数（37.5）。各种获得不同等级的乙腈用于不同研究（极谱法，光谱学等）多种不同的纯化过程已被许多研究人员所报道。

Other Notes

2024年CiteAb奖——成功的帕金森研究供应商(2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research)

重要通知

• 货号 34851-4X2.5L的产品即将停产。请订购34851-2.5L单瓶装，因为其具体参数与上述产品本质相同。
• 货号34851-6X1L的产品即将停产。请订购34851-1L单瓶装，因为其物理参数与上述产品本质相同。

探索最适于 HPLC 或 LC-MS 分析的 LiChropur 试剂

安全信息

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H225,H302 + H312 + H332,H319
• pcodes: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2
• 存储类别: 3 - Flammable liquids
• wgk: WGK 2
• flash_point_f: 35.6 °F - closed cup
• flash_point_c: 2.0 °C - closed cup