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 phthalate (DEP)?

Diethyl phthalate (DEP) ist eine chemische Verbindung, registriert unter der CAS-Nummer 84-66-2. Summenformel: C12H14O4. Molmasse: 222.24 g/mol. IUPAC: diethyl benzene-1,2-dicarboxylate.

Wie lautet die CAS-Nummer von Diethyl phthalate (DEP)?

Die CAS-Nummer von Diethyl phthalate (DEP) ist 84-66-2 — eine eindeutige Kennung des Chemical Abstracts Service (CAS).

Wie lautet die Summenformel von Diethyl phthalate (DEP)?

Summenformel: C12H14O4. Molmasse: 222.24 g/mol. logP (XLogP3): 2.5. PSA: 52.6 Å².

Welche GHS-Gefahren hat Diethyl phthalate (DEP)?

Gemäß der GHS-Klassifizierung muss Diethyl phthalate (DEP) mit den folgenden Gefahrenhinweisen gekennzeichnet werden: H401 (Giftig für Wasserorganismen.), H315 (Verursacht Hautreizungen.), H317 (Kann allergische Hautreaktionen verursachen.), H320 (Verursacht Augenreizung.), H335 (Kann die Atemwege reizen.).

Wo kann ich Diethyl phthalate (DEP) kaufen?

Diethyl phthalate (DEP) ist in unserem Shop erhältlich. Produkt ansehen: https://epchems.online/products/diethyl-phthalate/

Woher stammen die chemischen Daten für Diethyl phthalate (DEP)?

Die chemischen Daten für Diethyl phthalate (DEP) stammen aus zuverlässigen Quellen: PubChem (NIH). PubChem CID: 6781. Konform mit der CLP-Verordnung (EG 1272/2008), verfügbar unter der Lizenz CC-BY 4.0.

Diethyl phthalate (DEP)

Diethyl Phthalate

CAS 84-66-2 · C₁₂H₁₄O₄ · MW 222.24 g/mol

Über Diethyl phthalate (DEP)

Diethyl phthalate (DEP) ist eine chemische Verbindung, registriert unter der Nummer CAS 84-66-2, mit der Summenformel C₁₂H₁₄O₄, und einer Molmasse von 222.24 g/mol.

Das Molekül enthält 30 Atome, verbunden durch 30 chemische Bindungen. Der vollständige systematische IUPAC-Name dieser Verbindung lautet diethyl benzene-1,2-dicarboxylate. 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 = 2.5 (positiver Wert, lipophile Verbindung), polare Oberfläche PSA = 52.6 Å², 0 Donatoren und 4 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	C₁₂H₁₄O₄
Masa molowa	222.24 g/mol
IUPAC	diethyl benzene-1,2-dicarboxylate
SMILES	`CCOC(=O)C1=CC=CC=C1C(=O)OCC`
InChIKey	`FLKPEMZONWLCSK-UHFFFAOYSA-N`
logP (XLogP3)	2.5
PSA	52.6 Å²
HBD / HBA	0 / 4
PubChem CID	CID 6781 ↗

GHS-Sicherheit

Sygnał: Uwaga

GHS07

H401 — Działa toksycznie na organizmy wodne

H315 — Działa drażniąco na skórę

H317 — Może powodować reakcję alergiczną skóry

H320 — H320

H335 — Może powodować podrażnienie dróg oddechowych

H336 — Może wywoływać uczucie senności lub zawroty głowy

Wissenschaftliche Literatur

Literatura naukowa

20 artykułów · 9 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

Diethyl phthalate : CAS#: 84-66-2 [Spanish]

$ Paywall

NTP Toxicology and Carcinogenesis Studies of Diethylphthalate (CAS No. 84-66-2) in F344/N Rats and B6C3F1 Mice (Dermal Studies) with Dermal Initiation/ Promotion Study of Diethylphthalate and Dimethylphthalate (CAS No. 131-11-3) in Male Swiss (CD-1(R)) Mice.

(1995)

Cytowania: 6$ PaywallPubMed ↗

🔓

Exposure to diethyl phthalates impairs ovarian reserve and oocyte maturation in female mice.

Chen J, Chen L, Chen Y et al. (2025) · Ecotoxicology and environmental safety

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Unraveling diethyl phthalate-induced prostate carcinogenesis: core targets revealed by integrated network toxicology, machine learning, and structural validation.

Liu H, Jiang J, Tan Y et al. (2025) · Human genomics

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

A physiologically based pharmacokinetic model of diethyl phthalates in humans.

Chen S, Shi Z, Zhang Q (2024) · Environmental pollution (Barking, Essex : 1987)

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Diethyl 2,6-Dimethyl,4-(1,1,1-trichloromethyl)-1,4-dihydropyridine-3,5-dicarboxylate

Fatma Aydin, Recep Ozen (2006) · Molbank

Open AccessDOI ↗PDF ↗

🔓

Bis[diethyl(hydroxy)ammonium] benzene-1,4-dicarboxylate

Hai-Bin Wang, De-Ming Xie, Hai-Xiang Chen et al. (2010) · International Union of Crystallography

Open AccessDOI ↗PDF ↗

🔓

Mixtures of Diethyl Sulfoxide and Methanol: Structure and Thermodynamics

Vitaly V. Chaban, Nadezhda A. Andreeva (2021) · arXiv (2112.11531v1)

Open AccessPDF ↗

🔓

Diethyl Sulfoxide as a Novel Neutral Ligand in the Platinum Complex Anion

Vitaly V. Chaban (2021) · arXiv (2111.03292v1)

Open AccessPDF ↗

🔓

Slip and friction mechanisms at polymer semi-dilute solutions / solid interfaces

Marion Grzelka, Iurii Antoniuk, Eric Drockenmuller et al. (2021) · arXiv (2105.04188v1)

Open AccessDOI ↗PDF ↗

🔓

Polariton assisted down-conversion of photons via nonadiabatic molecular dynamics: a molecular dynamical Casimir effect

Juan B. Pérez-Sánchez, Joel Yuen-Zhou (2019) · arXiv (1909.13024v1)

Open AccessPDF ↗

Benzene – diethyl ketone association. The excess molar enthalpy of (cyclohexane + diethyl ketone)(g) and (benzene + diethyl ketone)(g) from temperatures 373.2 K to 423.2 K

C.J. Wormald, C. Mathonat (1998) · The Journal of Chemical Thermodynamics

Cytowania: 5$ PaywallDOI ↗

Fluorescence Signal Amplification: Red Carbon Dots@SiO(2)-Induced Ultra-sensitive Immunoassay for Diethyl Phthalate.

Chen B, Li L, Yang Q et al. (2023) · Journal of fluorescence

$ PaywallDOI ↗PubMed ↗

A Mechanistic Understanding of Hydrogen Peroxide Decomposition by Vanadium Minerals for Diethyl Phthalate Degradation.

Fang G, Deng Y, Huang M et al. (2018) · Environmental science & technology

$ PaywallDOI ↗PubMed ↗

Self-corrected dual-optical immunosensors using carbon dots@SiO(2)@MnO(2) improving diethyl phthalate detection accuracy.

Chen B, Li L, Yang Q et al. (2023) · Talanta

$ PaywallDOI ↗PubMed ↗

Reproductive toxicology. Diethylphthalate.

(1997) · Environmental health perspectives

$ PaywallPubMed ↗

Efficient transformation of diethyl phthalate using calcium peroxide activated by pyrite.

Zhou Y, Huang M, Wang X et al. (2020) · Chemosphere

$ PaywallDOI ↗PubMed ↗

Catalytic Annulation of Diethyl Methylenecyclopropane-1,1-dicarboxylate with 1,1-Dicyanoalkenes

$ PaywallDOI ↗

Catalytic Annulation of Diethyl Methylenecyclopropane-1,1-dicarboxylate with 1,1-Dicyanoalkenes

$ PaywallDOI ↗

Diethyl Acetylene Dicarboxylate 762‐21‐0

(2004) · Sax's Dangerous Properties of Industrial Materials

$ PaywallDOI ↗

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 PHTHALATE · 84-66-2 · Ethyl phthalate · phthalic acid diethyl ester · Anozol · diethyl benzene-1,2-dicarboxylate · Neantine · Phthalol · Solvanol · Palatinol A · Placidol E · Unimoll DA · Diethyl o-phthalate · Phthalsaeurediaethylester · o-Bis(ethoxycarbonyl)benzene

Datenquellen

📊 PubChem CID 6781 — NIH
🔬 NIST WebBook — spektroskopia
💊 ChEMBL — bioaktywność

Im Shop kaufen

Diethyl phthalate (DEP) →

Verwandte Moleküle

Terephthalic Acid CAS 100-21-0 · C8H6O4 Tripropylene glycol monobutyl ether CAS 55934-93-5 · C13H28O4 Tert-Butanol CAS 75-65-0 · C4H10O L-Leucine CAS 61-90-5 · C6H13NO2 Citric acid monohydrate CAS 77-92-9 · C6H8O7 L-Phenylalanine CAS 63-91-2 · C9H11NO2