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 Propylene glycol monomethyl ether acetate (PMA)?

Propylene glycol monomethyl ether acetate (PMA) is een chemische verbinding, geregistreerd onder CAS-nummer 108-65-6. Brutoformule: C6H12O3. Molaire massa: 132.16 g/mol. IUPAC: 1-methoxypropan-2-yl acetate.

Wat is het CAS-nummer van Propylene glycol monomethyl ether acetate (PMA)?

Het CAS-nummer van Propylene glycol monomethyl ether acetate (PMA) is 108-65-6 — een unieke identificatie van de Chemical Abstracts Service (CAS).

Wat is de brutoformule van Propylene glycol monomethyl ether acetate (PMA)?

Brutoformule: C6H12O3. Molaire massa: 132.16 g/mol. logP (XLogP3): 0.4. PSA: 35.5 Å².

Wat zijn de GHS-gevaren van Propylene glycol monomethyl ether acetate (PMA)?

Volgens de GHS-classificatie moet Propylene glycol monomethyl ether acetate (PMA) worden voorzien van de volgende gevarenaanduidingen: H226 (Ontvlambare vloeistof en damp.).

Waar kan ik Propylene glycol monomethyl ether acetate (PMA) kopen?

Propylene glycol monomethyl ether acetate (PMA) is verkrijgbaar in onze winkel. Bekijk het product: https://epchems.online/products/propylene-glycol-monomethyl-ether-acetate-pma/

Waar komen de chemische gegevens voor Propylene glycol monomethyl ether acetate (PMA) vandaan?

De chemische gegevens voor Propylene glycol monomethyl ether acetate (PMA) zijn afkomstig van gezaghebbende bronnen: PubChem (NIH), ChEMBL (EBI). PubChem CID: 7946. Conform de CLP-verordening (EG 1272/2008), beschikbaar onder de CC-BY 4.0-licentie.

Propylene glycol monomethyl ether acetate (PMA)

Propylene glycol methyl ether acetate

CAS 108-65-6 · C₆H₁₂O₃ · MW 132.16 g/mol

Over Propylene glycol monomethyl ether acetate (PMA)

Propylene glycol monomethyl ether acetate (PMA) is een chemische verbinding, geregistreerd onder nummer CAS 108-65-6, met de brutoformule C₆H₁₂O₃, en een molaire massa van 132.16 g/mol.

Het molecuul bevat 21 atomen verbonden door 20 chemische bindingen. De volledige systematische IUPAC-naam van deze verbinding is 1-methoxypropan-2-yl acetate. 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 = 0.4 (positieve waarde, lipofiele verbinding), polair oppervlak PSA = 35.5 Å², 0 donoren en 3 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	C₆H₁₂O₃
Masa molowa	132.16 g/mol
IUPAC	1-methoxypropan-2-yl acetate
SMILES	`CC(COC)OC(=O)C`
InChIKey	`LLHKCFNBLRBOGN-UHFFFAOYSA-N`
logP (XLogP3)	0.4
PSA	35.5 Å²
HBD / HBA	0 / 3
PubChem CID	CID 7946 ↗

GHS-veiligheid

Sygnał: Uwaga

GHS02

H226 — Łatwopalna ciecz i pary

Wetenschappelijke literatuur

Literatura naukowa

9 artykułów · 1 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (9 artykułów)

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

Experimental P ρ T Study of 1-Methoxypropan-2-yl Acetate and 2-(2-Ethoxyethoxy)ethyl Acetate at High Temperatures, Pressures, and Speed of Sound and Refractive Index at Ambient Pressure and P ρ T Modeling with Various Tammann–Tait-like PC-SAFT and SAFT Equations and Predictions of Some Thermodynamic Properties

Fatemeh Zarei, Masoumeh Najafi, Hosseinali Zarei (2026) · Journal of Chemical & Engineering Data

$ PaywallDOI ↗

🔓

The synthesis of (5-hydroxy-5-(1-methoxypropan-2-yl) -4-methylfuran-2(5h)-one, 5-(1-methoxypropan-2-yl) -4-methylfuran-2(5h)-one) and biological activity

N Gherraf, N Tamma (2015) · Journal of Fundamental and Applied Sciences

Open AccessDOI ↗PDF ↗

1‐(2‐NITROIMIDAZOL‐1‐YL)‐3‐METHOXYPROPAN‐2‐OL 13551‐87‐6

(2012) · Sax's Dangerous Properties of Industrial Materials

$ PaywallDOI ↗

Crystal structure of BRD4 bromodomain 1 (BD1) in complex with N2-(1,2,3-benzotriazol-5-yl)-N3-(dimethylsulfamoyl)-N6-[(2S)-1-methoxypropan-2-yl]pyridine-2,3,6-triamine

T.H. Park, B.I. Lee (2021) · Worldwide Protein Data Bank

$ PaywallDOI ↗

CRYSTAL STRUCTURE OF GLUCOKINASE (HEXOKINASE 4) COMPLEXED WITH LIGAND DIETHYL ({2-[3-(4-METHANESULFONYLPHENO XY)-5-{[(2S)-1-METHOXYPROPAN-2-YL]OXY}BENZAMIDO]-1,3-THIAZ OL-4-YL}METHYL)PHOSPHONATE

J.K. Muckelbauer (2021) · Worldwide Protein Data Bank

$ PaywallDOI ↗

3-(2-methoxypropan-2-yl)-1H-indole

Zhong, Sabilla (2014) · chemotion.net

$ PaywallDOI ↗

Synthesis of 3-(6-aryl-pyridin-2-yl)- and 8-(6-aryl-pyridin-2-yl) coumarins

Brahmbhatt, D I, Patel, M A, Gajera, J M et al. (2007) · CSIR

$ Paywall

Synthesis of some new 3-(6-arylpyridin-2-yl)- and 8-(6-arylpyridin-2-yl)coumarins

Brahmbhatt, D I, Pandya, Urvish R (2001) · NISCAIR-CSIR, India

$ Paywall

Isobaric vapor–liquid equilibria of the binary mixtures propylene glycol methyl ether+propylene glycol methyl ether acetate, methyl acetate+propylene glycol methyl ether and methanol+propylene glycol methyl ether acetate at 101.3kPa.

(2014)

$ 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.

Synoniemen

Propylene glycol methyl ether acetate · PGMEA cpd · RefChem:433493 · 1-Methoxy-2-propyl acetate · 108-65-6 · 1-methoxypropan-2-yl acetate · Propylene glycol monomethyl ether acetate · 2-Acetoxy-1-methoxypropane · 1-Methoxy-2-acetoxypropane · METHOXYISOPROPYL ACETATE · 2-Methoxy-1-methylethyl acetate · 2-Propanol, 1-methoxy-, acetate · 1-METHOXY-2-PROPANOL ACETATE · Propyleneglycol monomethyl ether acetate · NSC 2207

Gegevensbronnen

📊 PubChem CID 7946 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Kopen in de winkel

Propylene glycol monomethyl ether acetate (PMA) →

Gerelateerde moleculen

Hydrochloric acid CAS 7647-01-0 · ClH Tert-Butanol CAS 75-65-0 · C4H10O Phosphotungstic acid CAS 12067-99-1 · W12PHO39·H2O Tetraethylene Glycol CAS 112-60-7 · C8H18O5 N-Heptane CAS 142-82-5 · C7H16 N-Methyl-2-pyrrolidone CAS 872-50-4 · C5H9NO