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.

Co to jest Sodium Nitrate?

Sodium Nitrate to związek chemiczny zarejestrowany pod numerem CAS 7631-99-4. Wzór sumaryczny: NaNO₃. Masa molowa: 84.995 g/mol. IUPAC: sodium nitrate.

Jaki jest numer CAS Sodium Nitrate?

Numer CAS dla Sodium Nitrate to 7631-99-4 — unikalny identyfikator Chemical Abstracts Service (CAS).

Jaki jest wzór sumaryczny Sodium Nitrate?

Wzór sumaryczny: NaNO₃. Masa molowa: 84.995 g/mol. PSA: 62.9 Å².

Gdzie można kupić Sodium Nitrate?

Sodium Nitrate jest dostępny w naszym sklepie. Zobacz produkt: https://epchems.online/products/sodium-nitrate/

Skąd pochodzą dane chemiczne dla Sodium Nitrate?

Dane chemiczne dla Sodium Nitrate pochodzą z autorytatywnych źródeł: PubChem (NIH). PubChem CID: 24268. Zgodne z Rozporządzeniem CLP (WE 1272/2008), dostępne na licencji CC-BY 4.0.

Sodium Nitrate

CAS 7631-99-4 · NaNO₃ · MW 84.995 g/mol

O związku Sodium Nitrate

Sodium Nitrate to związek chemiczny zarejestrowany pod numerem CAS 7631-99-4 o wzorze sumarycznym NaNO₃ i masie molowej 84.995 g/mol.

Cząsteczka zawiera 5 atomów połączonych 3 wiązaniami chemicznymi. Pełna nazwa systematyczna IUPAC dla tego związku to sodium nitrate. Powyższy interaktywny model 3D pozwala obejrzeć układ przestrzenny atomów — można go obracać myszką, powiększać scrollem oraz przełączać między trybami wizualizacji szkieletowy / Ball & Stick / Space Fill.

Pod względem właściwości fizykochemicznych powierzchnia polarna PSA = 62.9 Å², 0 donorów i 3 akceptorów wiązań wodorowych. Te parametry są kluczowe przy ocenie biodostępności i interakcji z biomolekułami.

Dane chemiczne dla tego związku pochodzą z PubChem (NIH NLM NCBI), jednej z największych baz związków chemicznych na świecie. Wszystkie informacje są aktualizowane automatycznie i wzbogacone o tłumaczenia zwrotów GHS zgodne z Rozporządzeniem CLP (1272/2008/WE). Powyższy widget można używać do celów edukacyjnych, badawczych i komercyjnych.

Właściwości fizykochemiczne

Wzór sumaryczny	NaNO₃
Masa molowa	84.995 g/mol
IUPAC	sodium nitrate
SMILES	`[N+](=O)([O-])[O-].[Na+]`
InChIKey	`VWDWKYIASSYTQR-UHFFFAOYSA-N`
logP (XLogP3)	—
PSA	62.9 Å²
HBD / HBA	0 / 3
PubChem CID	CID 24268 ↗

Bezpieczeństwo GHS

Sygnał: Niebezpieczeństwo

GHS03

GHS07

GHS08

H319 — Działa drażniąco na oczy

H272 — Może intensyfikować pożar; utleniacz

H320 — H320

H341 — Podejrzewa się, że powoduje wady genetyczne

H370 — Powoduje uszkodzenie narządów

H372 — Powoduje uszkodzenie narządów poprzez długotrwałe lub powtarzane narażenie

H302 — Działa szkodliwie po połknięciu

H315 — Działa drażniąco na skórę

H371 — Może spowodować uszkodzenie narządów

Literatura naukowa

20 artykułów · 16 open access · Źródła: PubMed, OpenAlex, Semantic Scholar

📈 Timeline publikacji (20 artykułów)

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

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Effect of Sodium Nitrate and Cysteamine on In Vitro Ruminal Fermentation, Amino Acid Metabolism and Microbiota in Buffalo.

et al. (2022)

Cytowania: 11Open AccessDOI ↗PubMed ↗PDF ↗

Exposure to bisphenol A and sodium nitrate found in processed meat induces endocrine disruption and dyslipidemia through PI3K/AKT/SREBP pathway in zebrafish larvae.

et al. (2025)

Cytowania: 10$ PaywallDOI ↗PubMed ↗

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Effects of Sodium Nitrate and Coated Methionine on Lactation Performance, Rumen Fermentation Characteristics, Amino Acid Metabolism, and Microbial Communities in Lactating Buffaloes.

et al. (2023)

Cytowania: 6Open AccessDOI ↗PubMed ↗PDF ↗

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Sodium nitrate has no detrimental effect on milk fatty acid profile and rumen bacterial population in water buffaloes.

et al. (2022)

Cytowania: 4Open AccessDOI ↗PubMed ↗PDF ↗

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Fatal Outcome of Suicidal Multi-Substance Ingestion Involving Sodium Nitrate and Nitrite Toxicity: A Case Report and Literature Review.

et al. (2025)

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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Hormetic association between sodium nitrate and liver enzymes: a study in female and male rats.

et al. (2025)

Open AccessDOI ↗PubMed ↗PDF ↗

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Sodium nitrate supplementation prevents beneficial cardiac adaptations to running in female mice with few effects on male hearts.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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Determination of the critical particle size distribution of non-crystalline potassium nitrate, sodium nitrate and mixtures thereof as non-oxidizing solid material

(2024)

Open AccessDOI ↗PDF ↗

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Sodium nitrate regulates senescence accompanied by aortic atherosclerosis in ApoE<sup>-/-</sup> mice through the miR-34a/FGF-21 axis.

et al. (2025)

Open AccessDOI ↗PubMed ↗PDF ↗

Exploring sodium nitrate supplementation in enhancing nitric oxide bioavailability and reducing oxidative stress: implications for blood pressure and endothelial dysfunction in hypertension.

(2025)

Cytowania: 1$ PaywallDOI ↗PubMed ↗

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Sodium nitrate protects against metabolic syndrome by sialin-mediated macrophage rebalance.

Li S, Wang Y, Zhang Z et al. (2025) · Signal transduction and targeted therapy

Cytowania: 4Open AccessDOI ↗PubMed ↗PDF ↗

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Tolerance of Rodents to an Intravenous Bolus Injection of Sodium Nitrate in a High Concentration.

(2022)

Open AccessDOI ↗PubMed ↗PDF ↗

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Short-Term Supplementation of Sodium Nitrate vs. Sodium Chloride Increases Homoarginine Synthesis in Young Men Independent of Exercise.

et al. (2022)

Cytowania: 9Open AccessDOI ↗PubMed ↗PDF ↗

Density, viscosity, and electrolytic conductivity of concentrated aqueous electrolyte solutions at several temperatures. Alkaline-earth chlorides, lanthanum chloride, sodium chloride, sodium nitrate, sodium bromide, potassium nitrate, potassium bromide, and cadmium nitrate

Toshiaki Isono (1984) · Journal of Chemical & Engineering Data

Cytowania: 251$ PaywallDOI ↗

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Effect of methionine and sodium nitrate on digestibility， rumen microbial structure， blood biochemical indexes of buffalo

Ze-xiang FAN, Xin-feng WANG, Meng-wei LI et al. (2021) · Siliao yanjiu

Open AccessPDF ↗

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Effects of Acute Beetroot Juice and Sodium Nitrate on Selected Blood Metabolites and Response to Transient Ischemia: A Crossover Randomized Clinical Trial.

et al. (2024)

Cytowania: 3Open AccessDOI ↗PubMed ↗PDF ↗

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<sup>17</sup>O NMR relaxation measurements for investigation of molecular dynamics in static solids using sodium nitrate as a model compound.

(2024)

Cytowania: 2Open AccessDOI ↗PubMed ↗PDF ↗

Mean activity coefficients in the ternary sodium chloride-sodium nitrate-water and sodium bromide-sodium nitrate-water systems at 298.15 K

Ali Haghtalab, Juan H. Vera (1991) · Journal of Chemical & Engineering Data

Cytowania: 53$ PaywallDOI ↗

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Dietary Nitrate Metabolism in Porcine Ocular Tissues Determined Using (15)N-Labeled Sodium Nitrate Supplementation.

Park JW, Piknova B, Tunau-Spencer KJ et al. (2024) · Nutrients

Cytowania: 1Open AccessDOI ↗PubMed ↗PDF ↗

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Sodium Nitrate Combined With Dental Pulp Stem Cells Alleviates Atherosclerosis Through Inhibiting Oxidative Stress.

et al. (2026)

Open AccessDOI ↗PubMed ↗PDF ↗

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

Synonimy

SODIUM NITRATE · 7631-99-4 · Chile saltpeter · Cubic niter · Soda niter · Nitrate of soda · etabisulfite · Nitratine · Sodium saltpeter · Nitrate de sodium · Nitric acid, sodium salt · Saltpeter (Chile) · Nitric acid monosodium salt · Nitric acid sodium salt (1:1) · Natrum nitricum

Data sources

📊 PubChem CID 24268 — NIH
🔬 NIST WebBook — spektroskopia
🌐 Wikidata
💊 ChEMBL — bioaktywność

Kup w sklepie

Sodium Nitrate →

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