1.04366

正庚烷

for spectroscopy Uvasol^®

• 别名: 庚烷
• 线性分子式: CH₃(CH₂)₅CH₃
• CAS号: 142-82-5
• 分子量: 100.20
• Beilstein: 1730763
• MDL號碼: MFCD00009544
• 分類程式碼代碼: 12191502
• 酶委員會索引編號: 205-563-8

属性

• 蒸汽密度: 3.5 (vs air)
• 品質等級: 100
• 蒸汽壓力: 40 mmHg ( 20 °C); 83 mmHg ( 37.7 °C)
• 化驗: ≥99.3% (GC)
• 形狀: liquid
• 自燃溫度: 433 °F
• 效力: >5000 mg/kg LD₅₀, oral (Rat); >2000 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 7 %
• 環保替代產品特色: Safer Solvents and Auxiliaries; Learn more about the Principles of Green Chemistry.
• 技術: UV/Vis spectroscopy: suitable
• 雜質: ≤0.0001 meq/g Acidity; ≤0.0002 meq/g Alkalinity; ≤0.005% Water
• 蒸發殘留物: ≤0.0002%
• 顏色: APHA: ≤10
• 透射率: 200 nm, ≥20%; 210 nm, ≥55%; 220 nm, ≥80%; 228 nm, ≥90%; 245 nm, ≥98%
• 折射率: n20/D 1.387 (lit.)
• bp: 98 °C (lit.)
• mp: −91 °C (lit.)
• 轉變溫度: flash point -4 °C
• 溶解度: 0.05 g/L
• 密度: 0.684 g/mL at 25 °C (lit.)
• 紫外吸收: λ: 200 nm A_max: ≤0.70; λ: 210 nm A_max: ≤0.26; λ: 220 nm A_max: ≤0.10; λ: 228 nm A_max: ≤0.05; λ: 245 nm A_max: ≤0.01
• 環保替代類別: , Aligned
• 儲存溫度: 2-30°C
• SMILES 字串: CCCCCCC
• InChI: 1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3
• InChI 密鑰: IMNFDUFMRHMDMM-UHFFFAOYSA-N

说明

一般說明

UV/VIS 和红外光谱中分析结果的准确性取决于是否使用非常纯的溶剂进行样品制备。Uvasol<TMSYMBOL></TMSYMBOL> 系列是特别被计为用于光谱学和其它需要最高光学纯度化学物质的应用领域。精制过程使得应用更加安全并避免由痕量 UV（紫外线）、IR（红外线）和荧光污染引起对分析结果的错误判断。Uvasol<TMSYMBOL></TMSYMBOL> 溶剂可提供最佳的紫外线透射率。在所有质量标准中，均确定了5种典型波长的最小透射率。

應用

• Cloning, Expression, Characterization and Immobilization of a Recombinant Carboxylesterase from the Halophilic Archaeon, Halobacterium salinarum NCR-1.: This study involves the characterization and immobilization of a recombinant carboxylesterase using n-Heptane as a solvent in the enzyme activity assays, highlighting its potential applications in biocatalysis and industrial processes (Ortega-de la Rosa et al., 2024).


• Biomonitoring of volatile organic compounds and organophosphorus flame retardants in commercial aircrews after "fume and smell events".: This research employs n-Heptane in analytical methods for detecting volatile organic compounds, underlining its importance in environmental health studies and air quality monitoring (Weiss et al., 2024).


• Exploring Deactivation Reasons of Biomass-Based Phosphorus-Doped Carbon as a Metal-Free Catalyst in the Catalytic Dehydroaromatization of n-Heptane.: This article examines the deactivation of catalysts in the dehydroaromatization process of n-Heptane, providing insights into catalyst design and optimization for chemical synthesis (Yu et al., 2024).


• Reversible solvent interactions with UiO-67 metal-organic frameworks.: The study explores the interactions of n-Heptane with metal-organic frameworks, demonstrating its application in materials science and solvent recovery processes (Goodenough et al., 2024).


• Capillary electrokinetic chromatography for chiral separation of potential SARS-CoV-2 3CL protease inhibitors.: This research uses n-Heptane in capillary electrokinetic chromatography for the chiral separation of pharmaceutical compounds, emphasizing its role in drug development and analytical chemistry (Brier et al., 2024).

分析報告

纯度（GC）： ≥ 99.3 %
蒸发残留物： ≤ 0.0002 %
水： ≤ 0.005 %
颜色： ≤ 10 色度
酸度： ≤ 0.0001 meq/g
碱度： ≤ 0.0002 meq/g
荧光（以254 nm处奎宁计）： ≤ 1.0 ppb
荧光（以365 nm处奎宁计）： ≤ 1.0 ppb
透射率（200 nm）： ≥ 20 %
透射率（210 nm）： ≥ 55 %
透射率（220 nm）： ≥ 80 %
透射率（228 nm）： ≥ 90 %
透射率（从245起 nm开始）： ≥ 98％
吸光度（200 nm）： ≤ 0.70
吸光度（210 nm）： ≤ 0.26
吸光度（220 nm）： ≤ 0.10
吸光度（228 nm）： ≤ 0.05
吸光度（245 nm）： ≤ 0.01

其他說明

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. Heptane is an environmentally preferable solvent compared to hexane and thus align with "Safer Solvents and Auxiliaries". Click here for more information.

法律資訊

UVASOL is a registered trademark of Merck KGaA, Darmstadt, Germany

安全信息

• 象形圖: GHS02,GHS07,GHS08,GHS09
• 訊號詞: Danger
• 危險聲明: H225 - H304 - H315 - H336 - H410
• 防範說明: P210 - P233 - P273 - P301 + P310 - P303 + P361 + P353 - P331
• 危險分類: Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
• 標靶器官: Central nervous system
• 儲存類別代碼: 3 - Flammable liquids
• 水污染物質分類（WGK）: WGK 2
• 閃點（°F）: 24.8 °F
• 閃點（°C）: -4 °C