1.00923
二乙醚
≥99% (GC), EMPLURA®
别名:
乙醚, 醚
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线性分子式:
(CH3CH2)2O
化学文摘社编号:
分子量:
74.12
NACRES:
NA.05
EC Index Number:
200-467-2
UNSPSC Code:
12191502
MDL number:
Beilstein/REAXYS Number:
1696894
Assay:
≥99% (GC)
Bp:
34.6 °C (lit.)
Vapor pressure:
587 hPa ( 20 °C)
产品名称
二乙醚, EMPLURA®
InChI
1S/C4H10O/c1-3-5-4-2/h3-4H2,1-2H3
SMILES string
CCOCC
InChI key
RTZKZFJDLAIYFH-UHFFFAOYSA-N
vapor density
2.6 (vs air)
vapor pressure
587 hPa ( 20 °C)
product line
EMPLURA®
assay
≥99% (GC)
form
liquid
autoignition temp.
320 °F
potency
1215 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)
expl. lim.
36.5 %
dilution
(low-cost alternative, for basic applications)
impurities
≤0.00003% Peroxide (as H2O2)
≤0.002% Free acid (as CH3COOH)
≤0.2% Water
refractive index
n20/D 1.3530 (lit.)
bp
34.6 °C (lit.)
mp
−116 °C (lit.)
transition temp
flash point -40 °C
density
0.706 g/mL at 25 °C (lit.)
storage temp.
15-25°C
Quality Level
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Packaging
SKU 1.00923.0521: 500mL, Minimum order quantity: 20
1.00923.0521: 500ML, Minimum order quantity: 20
Legal Information
EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany
Analysis Note
Purity (GC): ≥ 99.0 %
Identity (IR): conforms
Free acid (as CH₃COOH): ≤ 0.002 %
Density (d 20 °C/ 4 °C): 0.713 - 0.716
Peroxide (as H₂O₂): ≤ 0.00003 %
Readily carbonizable substances: conforms
Water: ≤ 0.2 %
Stabilized with 5 - 10 ppm 2,6-Di-tert-butyl-4-methylphenol (BHT)
Identity (IR): conforms
Free acid (as CH₃COOH): ≤ 0.002 %
Density (d 20 °C/ 4 °C): 0.713 - 0.716
Peroxide (as H₂O₂): ≤ 0.00003 %
Readily carbonizable substances: conforms
Water: ≤ 0.2 %
Stabilized with 5 - 10 ppm 2,6-Di-tert-butyl-4-methylphenol (BHT)
Application
- Determination of chloropropanol esters and glycidyl esters in nutritional foods by gas chromatography-tandem mass spectrometry based on acid hydrolysis and solid-phase extraction.: This study presents an innovative method for detecting toxic contaminants in food, utilizing gas chromatography with diethyl ether as a key solvent in sample preparation (Li et al., 2024).
- Cloning, Expression, Characterization and Immobilization of a Recombinant Carboxylesterase from the Halophilic Archaeon, Halobacterium salinarum NCR-1.: This research discusses the use of diethyl ether in the purification process of enzymes from extreme environments, enhancing biotechnological applications (Ortega-de la Rosa et al., 2024).
- Chemical composition and antimicrobial study of Crossobamon orientalis body oil.: Highlights the role of diethyl ether in extracting and analyzing the chemical constituents of biological samples, providing insights into antimicrobial properties (Ahmad et al., 2024).
- A Static Headspace Gas Chromatography Method for Quantitation of Residual Solvents in Nanoformulations.: Introduces a methodological advancement in analytical chemistry using diethyl ether for the quantification of residual solvents in pharmaceutical preparations, ensuring safety and compliance (Kattel and Clogston, 2024).
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Flam. Liq. 1 - STOT SE 3
target_organs
Respiratory system
supp_hazards
存储类别
3 - Flammable liquids
wgk
WGK 1
flash_point_f
-40.0 °F - closed cup
flash_point_c
-40 °C - closed cup
法规信息
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实验方案
A guide to create solvent systems used for the thin-layer chromatography assay of Novabiochem products.
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