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.

Co to jest Octan etylu?

Octan etylu to związek chemiczny zarejestrowany pod numerem CAS 141-78-6. Wzór sumaryczny: C4H8O2. Masa molowa: 88.11 g/mol. IUPAC: ethyl acetate.

Jaki jest numer CAS Octan etylu?

Numer CAS dla Octan etylu to 141-78-6 — unikalny identyfikator Chemical Abstracts Service (CAS).

Jaki jest wzór sumaryczny Octan etylu?

Wzór sumaryczny: C4H8O2. Masa molowa: 88.11 g/mol. logP (XLogP3): 0.7. PSA: 26.3 Å².

Gdzie można kupić Octan etylu?

Octan etylu jest dostępny w naszym sklepie. Zobacz produkt: https://epchems.online/products/ethyl-acetate/

Skąd pochodzą dane chemiczne dla Octan etylu?

Dane chemiczne dla Octan etylu pochodzą z autorytatywnych źródeł: PubChem (NIH), ChEMBL (EBI). PubChem CID: 8857. Zgodne z Rozporządzeniem CLP (WE 1272/2008), dostępne na licencji CC-BY 4.0.

Octan etylu

CAS 141-78-6 · C₄H₈O₂ · MW 88.11 g/mol

O związku Octan etylu

Ethyl acetate to związek chemiczny zarejestrowany pod numerem CAS 141-78-6 o wzorze sumarycznym C₄H₈O₂ i masie molowej 88.11 g/mol.

Cząsteczka zawiera 14 atomów połączonych 13 wiązaniami chemicznymi. Pełna nazwa systematyczna IUPAC dla tego związku to ethyl acetate. Powyższy interaktywny model 3D pozwala obejrzeć układ przestrzenny atomów — można go obracać myszką, powiększać scrollem oraz przełączać między trybami wizualizacji szkieletowy / Ball & Stick / Space Fill.

Pod względem właściwości fizykochemicznych współczynnik podziału logP = 0.7 (wartość dodatnia, związek lipofilowy), powierzchnia polarna PSA = 26.3 Å², 0 donorów i 2 akceptorów wiązań wodorowych. Te parametry są kluczowe przy ocenie biodostępności i interakcji z biomolekułami.

Dane chemiczne dla tego związku pochodzą z PubChem (NIH NLM NCBI), jednej z największych baz związków chemicznych na świecie. Wszystkie informacje są aktualizowane automatycznie i wzbogacone o tłumaczenia zwrotów GHS zgodne z Rozporządzeniem CLP (1272/2008/WE). Powyższy widget można używać do celów edukacyjnych, badawczych i komercyjnych.

Właściwości fizykochemiczne

Wzór sumaryczny	C₄H₈O₂
Masa molowa	88.11 g/mol
IUPAC	ethyl acetate
SMILES	`CCOC(=O)C`
InChIKey	`XEKOWRVHYACXOJ-UHFFFAOYSA-N`
logP (XLogP3)	0.7
PSA	26.3 Å²
HBD / HBA	0 / 2
PubChem CID	CID 8857 ↗

Bezpieczeństwo GHS

Sygnał: Niebezpieczeństwo

GHS02

GHS07

H225 — Wysoce łatwopalna ciecz i pary

H319 — Działa drażniąco na oczy

H336 — Może wywoływać uczucie senności lub zawroty głowy

EUH066 — Powtarzające się narażenie może powodować wysuszanie lub pękanie skóry

Literatura naukowa

20 artykułów · 15 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

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Direct Conversion of Ethanol to Ethyl Acetate by Dynamic Polyoxometalate/Carbon Nanohorn Electrocatalytic Interfaces.

et al. (2025)

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

Solubility determination and thermodynamic models for dehydroepiandrosterone acetate in mixed solvents of (ethyl acetate + methanol), (ethyl acetate + ethanol) and (ethyl acetate + isopropanol)

Chao Cheng, Yang Cong, Cunbin Du et al. (2016) · The Journal of Chemical Thermodynamics

Cytowania: 104$ PaywallDOI ↗

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Application of HPLC Fingerprint Coupled with Chemical Pattern Recognition and Multicomponent Quantification for Quality Evaluation of Ethyl Acetate Extract of Banana Leaves.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Phytochemical Characterization and Cytotoxic Potential of the Ethyl Acetate Fraction of Schima superba Bark: An In Vitro and In Silico Investigation.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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2-(Propyloxy)ethyl acetate: MAK Value Documentation, addendum - Translation of the German version from 2024.

(2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Separation of the Lipid Fraction from Cocoa Bean Husks Using Ethyl Acetate as Solvent in Ultrasound-Assisted Process.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Hepatoprotective Effects of Ethyl Acetate Extract of Lygodium microphyllum Leaves.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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The Role of Ethyl Acetate Fraction from Phyllanthus amarus in Down-Regulation of Allergic Inflammatory Responses.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Ethyl acetate extract from Platycladus orientalis leaves ameliorates diabetic cardiomyopathy via alleviating oxidative stress and suppressing myocardial fibrosis.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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A Safe Natural Alternative to Phenylthiourea: Ethyl Acetate Extract of Alchemilla vulgaris for Zebrafish Embryo Depigmentation.

(2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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In Vitro and In Silico Investigations of Antifungal Activity of Ethyl Acetate Extracts of Various Species of Swertia Against Aspergillus fumigatus.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Experimental and Modeling Assessment of Polyphenol Solubility in Alcohol + Ethyl Acetate Mixtures for Extraction Applications.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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A non-conventional biodiesel process route from waste palm fatty acid distillate and ethyl acetate via esterification.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Antibacterial and toxicological evaluation of (E)-2-((3,7-dimethylocta-2,6-dien-1-yl)oxy)ethyl acetate.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Ethyl acetate extract of Elephantopus mollis Kunth. induced apoptosis, senescence, and inhibited metastasis-associated traits of human lung cancer cells.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Fluorination Site and Degree Regulate the Decomposition of Fluorinated Ethyl Acetate Solvents on Lithium Metal: A First-Principles Molecular Dynamics Study.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

Liquid-vapour equilibrium. LIV. The systems ethyl acetate-benzene, ethyl acetate-toluene and ethyl acetate-ethylbenzene

J. Linek, K. Procházka, I. Wichterle (1972) · Collection of Czechoslovak Chemical Communications

Cytowania: 19$ PaywallDOI ↗

Ethyl Alcohol-Ethyl Acetate and Acetic Acid–Ethyl Acetate Systems

C. C. Furnas, W. B. Leighton (1937) · Industrial & Engineering Chemistry

Cytowania: 19$ PaywallDOI ↗

Conformational changes in a Pseudo[1]catenane induced by ethyl acetate and temperature: A combined HPLC and electronic circular dichroism study.

et al. (2026)

$ PaywallDOI ↗PubMed ↗

Formulation development and preclinical assessment of ethyl acetate fraction of Saraca asoca (EASA) flowers for cataract management.

et al. (2026)

$ 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.

Synonimy

ETHYL ACETATE · 141-78-6 · Ethyl ethanoate · Acetic acid ethyl ester · Vinegar naphtha · Acetoxyethane · Acetic ether · Ethyl acetic ester · Acetic acid, ethyl ester · Acetidin · Ethylacetate · Essigester · Acetic ester · EtOAc · Aethylacetat

Data sources

📊 PubChem CID 8857 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Kup w sklepie

Ethyl acetate →

Powiązane molekuły

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