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.

Melamine is een chemische verbinding, geregistreerd onder CAS-nummer 108-78-1. Brutoformule: C3H6N6. Molaire massa: 126.12 g/mol. IUPAC: 1,3,5-triazine-2,4,6-triamine.

Wat is het CAS-nummer van Melamine?

Het CAS-nummer van Melamine is 108-78-1 — een unieke identificatie van de Chemical Abstracts Service (CAS).

Wat is de brutoformule van Melamine?

Brutoformule: C3H6N6. Molaire massa: 126.12 g/mol. logP (XLogP3): -1.4. PSA: 117 Å².

Wat zijn de GHS-gevaren van Melamine?

Volgens de GHS-classificatie moet Melamine worden voorzien van de volgende gevarenaanduidingen: H351 (Verdacht van het veroorzaken van kanker.), H373 (Kan schade aan organen veroorzaken bij langdurige of herhaalde blootstelling.).

Waar kan ik Melamine kopen?

Melamine is verkrijgbaar in onze winkel. Bekijk het product: https://epchems.online/products/melamine/

Waar komen de chemische gegevens voor Melamine vandaan?

De chemische gegevens voor Melamine zijn afkomstig van gezaghebbende bronnen: PubChem (NIH), ChEMBL (EBI). PubChem CID: 7955. Conform de CLP-verordening (EG 1272/2008), beschikbaar onder de CC-BY 4.0-licentie.

Melamine

CAS 108-78-1 · C₃H₆N₆ · MW 126.12 g/mol

Over Melamine

Melamine is een chemische verbinding, geregistreerd onder nummer CAS 108-78-1, met de brutoformule C₃H₆N₆, en een molaire massa van 126.12 g/mol.

Het molecuul bevat 15 atomen verbonden door 15 chemische bindingen. De volledige systematische IUPAC-naam van deze verbinding is 1,3,5-triazine-2,4,6-triamine. 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 = -1.4 (negatieve waarde, hydrofiele verbinding), polair oppervlak PSA = 117 Å², 3 donoren en 6 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	C₃H₆N₆
Masa molowa	126.12 g/mol
IUPAC	1,3,5-triazine-2,4,6-triamine
SMILES	`C1(=NC(=NC(=N1)N)N)N`
InChIKey	`JDSHMPZPIAZGSV-UHFFFAOYSA-N`
logP (XLogP3)	-1.4
PSA	117 Å²
HBD / HBA	3 / 6
PubChem CID	CID 7955 ↗

GHS-veiligheid

Sygnał: Uwaga

GHS08

H351 — Podejrzewa się, że powoduje raka

H373 — Może powodować uszkodzenie narządów poprzez długotrwałe lub powtarzane narażenie

Wetenschappelijke literatuur

Literatura naukowa

20 artykułów · 11 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

🔓

Distinct Difference in Sensitivity of NIR vs. IR Bands of Melamine to Inter-Molecular Interactions with Impact on Analytical Spectroscopy Explained by Anharmonic Quantum Mechanical Study

Justyna Grabska, Krzysztof B. Beć, Christian G. Kirchler et al. (2019) · Molecules

Cytowania: 44Open AccessDOI ↗PDF ↗

🔓

sym-Trisubstituted 1,3,5-Triazine Derivatives as Promising Organic Corrosion Inhibitors for Steel in Acidic Solution

Ayman El-Faham, Kholood A. Dahlous, Zeid A. AL Othman et al. (2016) · Molecules

Cytowania: 34Open AccessDOI ↗PDF ↗

Supramolecular architectures based on various macrocyclic metallic tectons with 1,3,5-triazine-2,4,6-triamine hexaacetic acid ligand

Xiang Jiang, Bo Tao, Hua Xia et al. (2012) · CrystEngComm

Cytowania: 26$ PaywallDOI ↗

Thermal decomposition, kinetic study and evolved gas analysis of 1,3,5-triazine-2,4,6-triamine

Ionut Ledeti, Gabriela Vlase, Titus Vlase et al. (2014) · Journal of Thermal Analysis and Calorimetry

Cytowania: 12$ PaywallDOI ↗

NOVEL SALT OF 1,3,5-TRIAZINE-2,4,6-TRIAMINE DERIVATIVE

et al. (2010)

$ Paywall

🔓

Scientific Opinion on Melamine in Food and Feed

EFSA Panel on Contaminants in the Food Chain (CONTAM) and EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF) (2010) · EFSA Journal

Cytowania: 95Open AccessDOI ↗PDF ↗

🔓

Triazine-based porous organic polymers for reversible capture of iodine and utilization in antibacterial application

Anandhu Mohan, Mohammad H. Al-Sayah, Abdelrahman Ahmed et al. (2022) · Scientific Reports

Cytowania: 69Open AccessDOI ↗PDF ↗

🔓

N,N,N,N,N,N-Hexapropyl-1,3,5-triazine-2,4,6-triamine.

Li YF, Jian FF (2008) · Acta crystallographica. Section E, Structure reports online

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

Vibrational, DFT, thermal and dielectric studies on 3-nitrophenol-1,3,5-triazine-2,4,6-triamine (2/1).

Sangeetha V, Govindarajan M, Kanagathara N et al. (2014) · Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Cytowania: 3$ PaywallDOI ↗PubMed ↗

Energetic Derivatives of 8-Nitropyrazolo[1,5-<i>a</i>][1,3,5]triazine-2,4,7-triamine: Achieving Balanced Explosives by Fusing Pyrazole with Triazine

Jinchao Ma, Yongxing Tang, Guangbin Cheng et al. (2020) · Organic Letters

Cytowania: 64$ PaywallDOI ↗

Comparative evaluation of 1,3,5-triazine-2,4,6-triamine biodegradation by Penicillium hetheringtonii and Fusarium sp.

Kwatra N, Abraham J (2025) · Archives of microbiology

$ PaywallDOI ↗PubMed ↗

🔓

Hydrogen Bond Triggers the Self-Assembly of Dihydrogen Arsenates into Supramolecular Anion⋯Anion Adducts

Cristina Lo Iacono, Edem R. Chakalov, Roberta Beccaria et al. (2026) · Crystals

Open AccessDOI ↗PDF ↗

🔓

Magnetic Property and Therapeutic Effect of a New Co(II) Complex on Liver Cancer by Regulating the Expression of miRNA31

Zhenshan Guo, Jun Zhen, Zhoujia Yao et al. (2021) · International Journal of Polymer Science

Cytowania: 1Open AccessDOI ↗PDF ↗

🔓

Systematic covalent crosslinking of graphene oxide membranes using 1,3,5 triazine 2,4,6 triamine for enhanced structural intactness and improved nanofiltration performance

Vepika Kandjou, Beatriz Acevedo, Sonia Melendi-Espina (2023) · Results in Engineering

Cytowania: 11Open AccessDOI ↗PDF ↗

Bis(1,3,5-triazine-2,4,6-triamine-kappaN(1))silver(I) nitrate.

Massoud AS, Langer V (2009) · Acta crystallographica. Section C, Crystal structure communications

$ PaywallDOI ↗PubMed ↗

🔓

2,4,6-Triamino-1,3,5-triazine-1,3-diium aqua-penta-fluoridoaluminate.

Cadiau A, Hemon-Ribaud A, Leblanc M et al. (2008) · Acta crystallographica. Section E, Structure reports online

Open AccessDOI ↗PubMed ↗PDF ↗

NOVEL SALT OF 1,3,5-TRIAZINE-2,4,6-TRIAMINE DERIVATIVE.

et al. (2010)

$ Paywall

Crystal structure of pteridine reductase 1 (PTR1) from Trypanosoma brucei in ternary complex with cofactor (NADP+) and inhibitor 1,3,5-triazine-2,4,6-triamine (AX2)

L.B. Tulloch, W.N. Hunter (2009)

$ PaywallDOI ↗

🔓

The KCNH3 inhibitor ASP2905 shows potential in the treatment of attention deficit/hyperactivity disorder.

Shinji Takahashi, Makoto Ohmiya, Sokichi Honda et al. (2018) · PLoS ONE

Open AccessDOI ↗PDF ↗

🔓

Evolution of Interatomic and Intermolecular Interactions and Polymorphism of Melamine at High Pressure

Hannah Shelton, Przemyslaw Dera, Sergey Tkachev (2018) · Crystals

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

MELAMINE · 1,3,5-Triazine-2,4,6-triamine · 108-78-1 · Cyanuramide · Cyanurotriamide · Cyanurotriamine · Isomelamine · Theoharn · Cyanuric triamide · s-Triazinetriamine · Teoharn · Triaminotriazine · Hicophor PR · 2,4,6-Triamino-1,3,5-triazine · Aero

Gegevensbronnen

📊 PubChem CID 7955 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Kopen in de winkel

Melamine →

Gerelateerde moleculen

Iron oxide yellow CAS 51274-00-1 · FeH₃O₃ N-Heptane CAS 142-82-5 · C7H16 Butyl glycol CAS 111-76-2 · C6H14O2 Vinyl acetate CAS 108-05-4 · C4H6O2 Diethylene glycol butylether acetate CAS 124-17-4 · C10H20O4 Polyethylene glycol CAS 25322-68-3