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.

Wat is Triethylene Diamine?

Triethylene Diamine is een chemische verbinding, geregistreerd onder CAS-nummer 280-57-9. Brutoformule: C6H12N2. Molaire massa: 112.17 g/mol. IUPAC: 1,4-diazabicyclo[2.2.2]octane.

Wat is het CAS-nummer van Triethylene Diamine?

Het CAS-nummer van Triethylene Diamine is 280-57-9 — een unieke identificatie van de Chemical Abstracts Service (CAS).

Wat is de brutoformule van Triethylene Diamine?

Brutoformule: C6H12N2. Molaire massa: 112.17 g/mol. logP (XLogP3): -0.2. PSA: 6.5 Å².

Wat zijn de GHS-gevaren van Triethylene Diamine?

Volgens de GHS-classificatie moet Triethylene Diamine worden voorzien van de volgende gevarenaanduidingen: H228 (Ontvlambare vaste stof.), H302 (Schadelijk bij inslikken.), H315 (Veroorzaakt huidirritatie.), H319 (Veroorzaakt ernstige oogirritatie.), H361 (Kan mogelijk de vruchtbaarheid of het ongeboren kind schaden.).

Waar kan ik Triethylene Diamine kopen?

Triethylene Diamine is verkrijgbaar in onze winkel. Bekijk het product: https://epchems.online/products/triethylene-diamine/

Waar komen de chemische gegevens voor Triethylene Diamine vandaan?

De chemische gegevens voor Triethylene Diamine zijn afkomstig van gezaghebbende bronnen: PubChem (NIH), ChEMBL (EBI). PubChem CID: 9237. Conform de CLP-verordening (EG 1272/2008), beschikbaar onder de CC-BY 4.0-licentie.

Triethylene Diamine

Dabco

CAS 280-57-9 · C₆H₁₂N₂ · MW 112.17 g/mol

Over Triethylene Diamine

Triethylene Diamine is een chemische verbinding, geregistreerd onder nummer CAS 280-57-9, met de brutoformule C₆H₁₂N₂, en een molaire massa van 112.17 g/mol.

Het molecuul bevat 20 atomen verbonden door 21 chemische bindingen. De volledige systematische IUPAC-naam van deze verbinding is 1,4-diazabicyclo[2.2.2]octane. Het interactieve 3D-model hierboven toont de ruimtelijke rangschikking van de atomen — u kunt het met de muis draaien, met het scrollwiel inzoomen en schakelen tussen de weergavemodi skelet / Ball & Stick / Space Fill.

Wat de fysisch-chemische eigenschappen betreft, de verdelingscoëfficiënt logP = -0.2 (negatieve waarde, hydrofiele verbinding), polair oppervlak PSA = 6.5 Å², 0 donoren en 2 waterstofbrugacceptoren. Deze parameters zijn cruciaal bij de beoordeling van de biobeschikbaarheid en de interactie met biomoleculen.

De chemische gegevens voor deze verbinding zijn afkomstig van PubChem (NIH NLM NCBI), een van de grootste chemische databanken ter wereld. Alle informatie wordt automatisch bijgewerkt en verrijkt met vertalingen van GHS-gevarenaanduidingen conform de CLP-verordening (EG 1272/2008). De bovenstaande widget mag worden gebruikt voor educatieve, onderzoeks- en commerciële doeleinden.

Fysisch-chemische eigenschappen

Wzór sumaryczny	C₆H₁₂N₂
Masa molowa	112.17 g/mol
IUPAC	1,4-diazabicyclo[2.2.2]octane
SMILES	`C1CN2CCN1CC2`
InChIKey	`IMNIMPAHZVJRPE-UHFFFAOYSA-N`
logP (XLogP3)	-0.2
PSA	6.5 Å²
HBD / HBA	0 / 2
PubChem CID	CID 9237 ↗

GHS-veiligheid

Sygnał: Niebezpieczeństwo

GHS02

GHS07

GHS08

H228 — Substancja stała łatwopalna

H302 — Działa szkodliwie po połknięciu

H315 — Działa drażniąco na skórę

H319 — Działa drażniąco na oczy

H361 — Podejrzewa się, że działa szkodliwie na płodność lub na dziecko w łonie matki

H371 — Może spowodować uszkodzenie narządów

H372 — Powoduje uszkodzenie narządów poprzez długotrwałe lub powtarzane narażenie

Wetenschappelijke literatuur

Literatura naukowa

20 artykułów · 10 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

Isatin N,N'-Cyclic Azomethine Imine 1,3-Dipole and Abnormal [3 + 2]-Cycloaddition with Maleimide in the Presence of 1,4-Diazabicyclo[2.2.2]octane.

et al. (2017)

Cytowania: 22$ PaywallDOI ↗PubMed ↗

Self-assembling systems based on quaternized derivatives of 1,4-diazabicyclo[2.2.2]octane in nutrient broth as antimicrobial agents and carriers for hydrophobic drugs.

et al. (2015)

Cytowania: 13$ PaywallDOI ↗PubMed ↗

Polycations. 18. The synthesis of polycationic lipid materials based on the diamine 1,4-diazabicyclo[2.2.2]octane.

et al. (2009)

Cytowania: 13$ PaywallDOI ↗PubMed ↗

Synthesis and structure-activity relationship of novel 1,4-diazabicyclo[2.2.2]octane derivatives as potent antimicrobial agents.

et al. (2015)

Cytowania: 9$ PaywallDOI ↗PubMed ↗

Ring-opening reactions of 1,4-diazabicyclo[2.2.2]octane (DABCO) derived quaternary ammonium salts with phenols and related nucleophiles.

(2012)

Cytowania: 8$ PaywallDOI ↗PubMed ↗

Feasibility of quaternary ammonium and 1,4-diazabicyclo[2.2.2]octane-functionalized anion-exchange membranes for biohydrogen production in microbial electrolysis cells.

et al. (2020)

Cytowania: 5$ PaywallDOI ↗PubMed ↗

Synthesis of chiral 2,3-disubstituted 1,4-diazabicyclo[2.2.2]octane derivatives.

(2015)

Cytowania: 3$ PaywallDOI ↗PubMed ↗

🔓

Synthesis, Antifungal Activity, and Biocompatibility of Novel 1,4-Diazabicyclo[2.2.2]Octane (DABCO) Compounds and DABCO-Containing Denture Base Resins.

et al. (2017)

Cytowania: 12Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Third-generation ionic liquids with N-alkylated 1,4-diazabicyclo[2.2.2]octane cations and pelargonate anions.

et al. (2020)

Cytowania: 10Open AccessDOI ↗PubMed ↗PDF ↗

Alkylated 1,4-diazabicyclo[2.2.2]octane derivatives with an ester moiety: From self-organization to transdermal insulin delivery.

et al. (2026)

$ PaywallDOI ↗PubMed ↗

🔓

Cation Charge as a Tool to Change Dimensionality in Organic-Inorganic Hybrids Based on Copper Thiocyanate Templated by 1,4-Diazabicyclo[2.2.2]octane.

(2023)

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Structural and spectral studies of (1,3,5-triazinane-2,4,6-trione) 1,4-diazabicyclo[2.2.2]octane (TTDO)

et al. (2023)

Open AccessDOI ↗PDF ↗

🔓

Systematic study of the substitution effect on the tetrel bond between 1,4-diazabicyclo[2.2.2]octane and TH3X.

et al. (2019)

Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Multiple Roles of 1,4-Diazabicyclo[2.2.2]octane in the Solvothermal Synthesis of Iodobismuthates.

Cai Y, Chippindale AM, Curry RJ et al. (2021) · Inorganic chemistry

Cytowania: 8Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Sulfonylation of 1,4-Diazabicyclo[2.2.2]octane: Charge-Transfer Complex Triggered C-N Bond Cleavage.

Fu Y, Xu QS, Li QZ et al. (2019) · ChemistryOpen

Cytowania: 8Open AccessDOI ↗PubMed ↗PDF ↗

🔓

Self-Assembling Metallocomplexes of the Amphiphilic 1,4-Diazabicyclo[2.2.2]octane Derivative as a Platform for the Development of Nonplatinum Anticancer Drugs.

et al. (2022)

Cytowania: 7Open AccessDOI ↗PubMed ↗PDF ↗

🔓

N-Alkylated 1,4-Diazabicyclo[2.2.2]octane-Polyethylene Glycol Melt as Deep Eutectic Solvent for the Synthesis of Fisher Indoles and 1H-Tetrazoles.

Ali Ghumro S, Alharthy RD, Al-Rashida M et al. (2017) · ACS omega

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

Preparation of a 1,4-Diazabicyclo[2.2.2]octane sulfonate betaine zwitterionic stationary phase and comparative evaluation of its separation performance in hydrophilic interaction chromatography.

et al. (2025)

Cytowania: 3$ PaywallDOI ↗PubMed ↗

A new surfactant-copper(ii) complex based on 1,4-diazabicyclo[2.2.2]octane amphiphile. Crystal structure determination, self-assembly and functional activity.

et al. (2018)

Cytowania: 5$ PaywallDOI ↗PubMed ↗

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Synthesis of Azirinylammonium Salts via Alkylation of DABCO with 2-Halo-2H-azirines

Maksim A. Valiarovskii, Alexander V. Vorob’ev, Anastasiya V. Agafonova et al. (2026) · Molbank

Open AccessDOI ↗PDF ↗

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

Synoniemen

1,4-Diazabicyclo[2.2.2]octane · Triethylenediamine · 280-57-9 · Dabco · 1,4-DIAZABICYCLO(2.2.2)OCTANE · Dabco 33LV · Dabco crystal · 1,4-Ethylenepiperazine · TEDA · Texacat TD 100 · Dabco EG · N,N'-endo-Ethylenepiperazine · 1,4-Diazabicyclo-octane · D 33LV · Thancat TD 33

Gegevensbronnen

📊 PubChem CID 9237 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Kopen in de winkel

Triethylene Diamine →

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