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.

Che cos'è Diethylene glycol butylether acetate?

Diethylene glycol butylether acetate è un composto chimico registrato con il numero CAS 124-17-4. Formula bruta: C10H20O4. Massa molare: 204.26 g/mol. IUPAC: 2-(2-butoxyethoxy)ethyl acetate.

Qual è il numero CAS di Diethylene glycol butylether acetate?

Il numero CAS di Diethylene glycol butylether acetate è 124-17-4 — un identificativo univoco del Chemical Abstracts Service (CAS).

Qual è la formula bruta di Diethylene glycol butylether acetate?

Formula bruta: C10H20O4. Massa molare: 204.26 g/mol. logP (XLogP3): 1.1. PSA: 44.8 Å².

Dove acquistare Diethylene glycol butylether acetate?

Diethylene glycol butylether acetate è disponibile nel nostro negozio. Vedi il prodotto: https://epchems.online/products/diethylene-glycol-butylether-acetate/

Da dove provengono i dati chimici di Diethylene glycol butylether acetate?

I dati chimici di Diethylene glycol butylether acetate provengono da fonti autorevoli: PubChem (NIH), ChEMBL (EBI). PubChem CID: 31288. Conformi al Regolamento CLP (CE 1272/2008), disponibili con licenza CC-BY 4.0.

Diethylene glycol butylether acetate

Diethylene glycol monobutyl ether acetate

CAS 124-17-4 · C₁₀H₂₀O₄ · MW 204.26 g/mol

Informazioni su Diethylene glycol butylether acetate

Diethylene glycol butylether acetate è un composto chimico registrato con il numero CAS 124-17-4, con formula bruta C₁₀H₂₀O₄, e massa molare di 204.26 g/mol.

La molecola contiene 34 atomi collegati da 33 legami chimici. Il nome sistematico IUPAC completo di questo composto è 2-(2-butoxyethoxy)ethyl acetate. Il modello 3D interattivo qui sopra permette di visualizzare la disposizione spaziale degli atomi — puoi ruotarlo con il mouse, zoomare con la rotellina e passare tra le modalità di visualizzazione scheletro / Ball & Stick / Space Fill.

Dal punto di vista delle proprietà chimico-fisiche, il coefficiente di ripartizione logP = 1.1 (valore positivo, composto lipofilo), superficie polare PSA = 44.8 Å², 0 donatori e 4 accettori di legami a idrogeno. Questi parametri sono fondamentali per valutare la biodisponibilità e l'interazione con le biomolecole.

I dati chimici di questo composto provengono da PubChem (NIH NLM NCBI), uno dei più grandi database chimici al mondo. Tutte le informazioni sono aggiornate automaticamente e arricchite con le traduzioni delle indicazioni di pericolo GHS conformi al Regolamento CLP (CE 1272/2008). Il widget qui sopra può essere utilizzato per scopi educativi, di ricerca e commerciali.

Proprietà chimico-fisiche

Wzór sumaryczny	C₁₀H₂₀O₄
Masa molowa	204.26 g/mol
IUPAC	2-(2-butoxyethoxy)ethyl acetate
SMILES	`CCCCOCCOCCOC(=O)C`
InChIKey	`VXQBJTKSVGFQOL-UHFFFAOYSA-N`
logP (XLogP3)	1.1
PSA	44.8 Å²
HBD / HBA	0 / 4
PubChem CID	CID 31288 ↗

Sicurezza GHS

Sygnał: Uwaga

GHS07

Letteratura scientifica

Literatura naukowa

2 artykułów · 0 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (2 artykułów)

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

Metabolic studies with diethylene glycol monobutyl ether acetate (DGBA) in the rat.

Deisinger PJ, Guest D (1989) · Xenobiotica; the fate of foreign compounds in biological systems

$ PaywallDOI ↗PubMed ↗

Diethylene glycol monobutyl ether acetate.

(2007)

$ PaywallDOI ↗PDF ↗

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

Sinonimi

2-(2-Butoxyethoxy)ethyl acetate · 124-17-4 · Diethylene glycol monobutyl ether acetate · BUTYL CARBITOL ACETATE · Butoxyethoxyethyl acetate · Butyl diglycol acetate · Glycol ether DB aceatate · Ektasolve DB acetate · Diglycol monobutyl ether acetate · Butylkarbitolacetat · 2-(2-Butoxyethoxy)ethanol acetate · Butyl diethylene glycol acetate · Diethylene glycol butyl ether acetate · Ethanol, 2-(2-butoxyethoxy)-, 1-acetate · Ethanol, 2-(2-butoxyethoxy)-, acetate

Fonti dei dati

📊 PubChem CID 31288 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Acquista nel negozio

Diethylene glycol butylether acetate →

Molecole correlate

Sodium Glutamate CAS 142-47-2 · C5H10NNaO5 Diethylene glycol dimethyl ether CAS 111-96-6 · C6H14O3 Sodium bicarbonate CAS 144-55-8 · CHNaO3 Iron oxide yellow CAS 51274-00-1 · FeH₃O₃ Diethylene glycol CAS 111-46-6 · C4H10O3 Phosphotungstic acid CAS 12067-99-1 · W12PHO39·H2O