Does BMA mean n-butyl methacrylate or isobutyl methacrylate?

In most commercial usage the bare abbreviation means the normal isomer, n-butyl methacrylate, CAS 97-88-1. The branched isomer, isobutyl methacrylate, is a different substance with its own identifiers and a different contribution to copolymer hardness, and the tertiary isomer is different again. Because all three are abbreviated loosely in day-to-day correspondence, an order written as BMA alone is ambiguous. Write the full chemical name and the CAS number on every enquiry, purchase order and goods-inwards record.

Why must the monomer not be blanketed with pure nitrogen?

Because the stabiliser used in commercial methacrylate monomers requires dissolved oxygen to function. It intercepts radicals by a mechanism that consumes oxygen, so a drum stripped of oxygen contains an inhibitor that is chemically present and functionally absent. The correct headspace is air, or air diluted with nitrogen to a specified oxygen content, never an inert blanket. This is one of the very few cases in a chemical store where displacing oxygen makes a material more dangerous rather than less, and it catches people whose instinct is trained on flammable solvents.

How should inhibitor content be read on a certificate?

As a starting condition rather than a permanent property. The certificate reports the inhibitor level at release; that level falls in storage as the stabiliser does its job, and it falls faster in warm conditions, in light and in the presence of contamination. A long-stored drum can meet its original certificate on every other line while having very little inhibitor left. Where storage has been long or uncertain, retest the inhibitor level before charging a reactor rather than relying on the release figure.

What is popcorn polymerisation and why does it matter here?

It is a self-propagating, expanding polymer growth that forms in dead legs, vapour spaces, valve bonnets and residues where inhibitor cannot reach. Once seeded it continues under conditions that would not start a normal polymerisation, and it grows mechanically enough to jam valves and distort equipment. The controls are housekeeping controls: no unswept dead legs, no long-standing residues, no lines left full between campaigns, and clean vessels before refilling. It is not a reason to avoid methacrylate monomers, but it is a reason to design the pipework as if the monomer were reactive, because it is.

How does the butyl ester change a copolymer compared with the methyl one?

The four-carbon ester side chain is flexible and bulky, so it loosens chain packing and lowers the temperature at which the polymer softens. Against the methyl ester it gives a softer, more flexible and more extensible polymer, better adhesion and easier film formation, at the cost of hardness and block resistance. Against the corresponding acrylate it gives a harder polymer with the weathering advantage of the methacrylate backbone. Formulators use it as the soft component of an all-methacrylate system, which keeps the durability while tuning flexibility.

Was ist Diethyl carbonate?

Diethyl carbonate ist eine chemische Verbindung, registriert unter der CAS-Nummer 105-58-8. Summenformel: C5H10O3. Molmasse: 118.13 g/mol. IUPAC: diethyl carbonate.

Wie lautet die CAS-Nummer von Diethyl carbonate?

Die CAS-Nummer von Diethyl carbonate ist 105-58-8 — eine eindeutige Kennung des Chemical Abstracts Service (CAS).

Wie lautet die Summenformel von Diethyl carbonate?

Summenformel: C5H10O3. Molmasse: 118.13 g/mol. logP (XLogP3): 1.2. PSA: 35.5 Å².

Welche GHS-Gefahren hat Diethyl carbonate?

Gemäß der GHS-Klassifizierung muss Diethyl carbonate mit den folgenden Gefahrenhinweisen gekennzeichnet werden: H226 (Flüssigkeit und Dampf entzündbar.), H315 (Verursacht Hautreizungen.), H319 (Verursacht schwere Augenreizung.), H335 (Kann die Atemwege reizen.).

Wo kann ich Diethyl carbonate kaufen?

Diethyl carbonate ist in unserem Shop erhältlich. Produkt ansehen: https://epchems.online/products/diethyl-carbonate/

Woher stammen die chemischen Daten für Diethyl carbonate?

Die chemischen Daten für Diethyl carbonate stammen aus zuverlässigen Quellen: PubChem (NIH), ChEMBL (EBI). PubChem CID: 7766. Konform mit der CLP-Verordnung (EG 1272/2008), verfügbar unter der Lizenz CC-BY 4.0.

Diethyl carbonate

CAS 105-58-8 · C₅H₁₀O₃ · MW 118.13 g/mol

Über Diethyl carbonate

Diethyl carbonate ist eine chemische Verbindung, registriert unter der Nummer CAS 105-58-8, mit der Summenformel C₅H₁₀O₃, und einer Molmasse von 118.13 g/mol.

Das Molekül enthält 18 Atome, verbunden durch 17 chemische Bindungen. Der vollständige systematische IUPAC-Name dieser Verbindung lautet diethyl carbonate. Das interaktive 3D-Modell oben zeigt die räumliche Anordnung der Atome — Sie können es mit der Maus drehen, mit dem Scrollrad zoomen und zwischen den Darstellungsmodi Skelett / Ball & Stick / Space Fill wechseln.

Hinsichtlich der physikalisch-chemischen Eigenschaften der Verteilungskoeffizient logP = 1.2 (positiver Wert, lipophile Verbindung), polare Oberfläche PSA = 35.5 Å², 0 Donatoren und 3 Wasserstoffbrücken-Akzeptoren. Diese Parameter sind entscheidend für die Beurteilung der Bioverfügbarkeit und der Wechselwirkung mit Biomolekülen.

Die chemischen Daten für diese Verbindung stammen aus PubChem (NIH NLM NCBI), einer der größten chemischen Datenbanken der Welt. Alle Informationen werden automatisch aktualisiert und um GHS-Gefahrenhinweise gemäß der CLP-Verordnung (EG 1272/2008) ergänzt. Das obige Widget darf für Bildungs-, Forschungs- und kommerzielle Zwecke verwendet werden.

Physikalisch-chemische Eigenschaften

Wzór sumaryczny	C₅H₁₀O₃
Masa molowa	118.13 g/mol
IUPAC	diethyl carbonate
SMILES	`CCOC(=O)OCC`
InChIKey	`OIFBSDVPJOWBCH-UHFFFAOYSA-N`
logP (XLogP3)	1.2
PSA	35.5 Å²
HBD / HBA	0 / 3
PubChem CID	CID 7766 ↗

GHS-Sicherheit

Sygnał: Uwaga

GHS02

GHS07

H226 — Łatwopalna ciecz i pary

H315 — Działa drażniąco na skórę

H319 — Działa drażniąco na oczy

H335 — Może powodować podrażnienie dróg oddechowych

Wissenschaftliche Literatur

Literatura naukowa

20 artykułów · 11 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

Wysokość słupka = liczba artykułów w roku. Hover dla szczegółów.

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Comparative study of conventional and process intensification by reactive distillation designs for glycerol carbonate production from glycerol and diethyl carbonate.

et al. (2025)

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

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Sustainable Synthesis of Dimethyl- and Diethyl Carbonate from CO2 in Batch and Continuous Flow-Lessons from Thermodynamics and the Importance of Catalyst Stability.

(2022)

Cytowania: 5Open AccessDOI ↗PubMed ↗PDF ↗

Temperature Dependence of Self-Diffusion Coefficients of Ions and Solvents in Ethylene Carbonate, Propylene Carbonate, and Diethyl Carbonate Single Solutions and Ethylene Carbonate + Diethyl Carbonate Binary Solutions of LiPF 6 Studied by NMR

Kikuko Hayamizu (2012) · Journal of Chemical & Engineering Data

Cytowania: 192$ PaywallDOI ↗

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Readily-fabricated supported MgO catalysts for efficient and green synthesis of diethyl carbonate from ethyl carbamate and ethanol.

et al. (2021)

Cytowania: 2Open AccessDOI ↗PubMed ↗PDF ↗

Enzymatic synthesis of fatty acid ethyl esters by utilizing camellia oil soapstocks and diethyl carbonate.

(2011)

Cytowania: 5$ PaywallDOI ↗PubMed ↗

Environment-friendly synthesis of diethyl carbonate via ethyl carbamate alcoholysis over cerium oxide catalyst.

et al. (2019)

Cytowania: 4$ PaywallDOI ↗PubMed ↗

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Early Warning of Battery Thermal Runaway Enabled by Ag-Decorated SnO2 and Machine Learning: Diethyl Carbonate Recognition.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Performance and emission evaluation of diesel engines using Karanja biodiesel blended with diethyl carbonate

Bhavin Mehta, Abhishek Swarnkar, Dattatraya Subhedar (2025) · Results in Engineering

Open AccessDOI ↗PDF ↗

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Observation and Simulation of Transient Anion Oligomers (LiClO4)n- (n = 1-4) in Diethyl Carbonate LiClO4 Solutions.

et al. (2017)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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Acid-base sites synergistic catalysis over Mg-Zr-Al mixed metal oxide toward synthesis of diethyl carbonate.

et al. (2018)

Cytowania: 17Open AccessDOI ↗PubMed ↗PDF ↗

Understanding the azeotropic diethyl carbonate-water mixture by structural and energetic characterization of DEC(H2O)(n) heteroclusters.

et al. (2015)

Cytowania: 2$ PaywallDOI ↗PubMed ↗

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A New Route for Preparation of Hydrophobic Silica Nanoparticles Using a Mixture of Poly(dimethylsiloxane) and Diethyl Carbonate.

et al. (2018)

Cytowania: 12Open AccessDOI ↗PubMed ↗PDF ↗

Product Yield Increasing More Than 20 Times Achieved by Reducing Water Poisoning for Direct Diethyl Carbonate Synthesis.

(2024)

$ PaywallDOI ↗PubMed ↗

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Phase Equilibria of Ternary and Quaternary Systems Containing Diethyl Carbonate with Water.

et al. (2014)

Open AccessDOI ↗PubMed ↗PDF ↗

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Diethyl Carbonate Synthesis from CO2, Ethanol and Propylene Oxide in the presence of Dehydrating Agent of Ethylene over the novel catalysts of Supported Ni-Cu@Na3PW12O40 and Mixed Ni-Cu@Na3PW12O40

(2020)

Open AccessDOI ↗PDF ↗

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Effect of Temperature and Alkali Solution to Activate Diethyl Carbonate for Improving Rheological Properties of Modified Hydroxyethyl Methyl Cellulose.

et al. (2024)

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

Modified μ-QuEChERS coupled to diethyl carbonate-based liquid microextraction for PAHs determination in coffee, tea, and water prior to GC-MS analysis: An insight to reducing the impact of caffeine on the GC-MS measurement.

(2021)

Cytowania: 13$ PaywallDOI ↗PubMed ↗

Interfacial Reactions Between Graphite and Diethyl Carbonate Solutions Containing Different Concentrations of Li.

(2018)

$ PaywallDOI ↗PubMed ↗

Technology of preparing diethyl carbonate by urea alcoholysis method

et al. (2010)

$ Paywall

Sustainable Catalytic Synthesis of Diethyl Carbonate.

Putro WS, Ikeda A, Shigeyasu S et al. (2021) · ChemSusChem

Cytowania: 7$ PaywallDOI ↗PubMed ↗

Dane z PubMed (NIH NLM), OpenAlex (CC0), Semantic Scholar (AI2). AI Summary wygenerowane przez Semantic Scholar TLDR. Artykuły z ikoną wymagają płatnego dostępu.

Synonyme

DIETHYL CARBONATE · 105-58-8 · Ethyl carbonate · Carbonic acid diethyl ester · Eufin · Carbonic acid, diethyl ester · Diatol · Carbonic ether · Diaethylcarbonat · Diethylkarbonat · Ethyl carbonate ((EtO)2CO) · NCI-C60899 · Diethylester kyseliny uhlicite · 3UA92692HG · NSC-8849

Datenquellen

📊 PubChem CID 7766 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

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