# RoCo

> Supplier of ionic liquids, metal salt electrolytes, and advanced materials\. Custom solutions for energy storage, polymers, and research applications\.

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## Pages
- [Frequently Asked Questions](https://roco.global/faq/)
- [Contact](https://roco.global/contact/)
- [Terms \& Conditions](https://roco.global/terms-conditions/)
- [Shipping Policy](https://roco.global/shipping-policy/)
- [Ionic Liquids: Innovation, Properties \& Applications](https://roco.global/technology/ionic-liquid-innovation/)

## Posts
- [How Alkyl Chain Length Controls the Nanostructure and Performance of Ionic Liquids](https://roco.global/ionic-liquid-chain-length-nanostructure/): Most chemists pick an ionic liquid's alkyl chain length by accident — it came with the cation in the literature\. But chain length controls nanoscale architecture, that structure decides whether your IL excels as a lubricant or fails as an electrolyte\.
- [Ionic Liquid Electrolytes: Imidazolium vs\. Pyrrolidinium](https://roco.global/imidazolium-vs-pyrrolidinium-ionic-liquid-electrolytes/): Imidazolium ionic liquids offer fast transport but limited cathodic stability, while pyrrolidinium systems trade speed for resilience near 0 V vs\. Li/Li⁺\. This blog breaks down the molecular reasons behind the trade‑off—and where electrolyte designers can bend the rules\.
- [Acoustic Performance of Polyurethane Foams \(PU\) Using Functional Powder Additives](https://roco.global/acoustic-performance-pu-foam/): Functional Upcycled PU powder enhances acoustic performance in rigid and flexible polyurethane foams, reducing impact noise and delivering 15–35 dB broadband attenuation\.
- [Phosphonium Ionic Liquids: High Performance Green Solvents in Modern Chemistry](https://roco.global/phosphonium-ionic-liquids-high-performance-materials-rocos-top-picks/): Phosphonium ionic liquids offer exceptional thermal stability, tunable polarity, and broad industrial utility\. This blog highlights their key advantages and showcases RoCo’s top phosphonium ionic liquids, engineered for high‑purity performance in catalysis, separations, electrochemistry, and advanced materials development\.
- [Imidazolium Ionic Liquids: Properties, Applications \& RoCo®’s Top Picks](https://roco.global/imidazolium-ionic-liquids-properties-applications-rocos-top-picks/): Imidazolium ionic liquids deliver thermal stability, tunable properties, and low environmental impact—ideal for catalysis, electrochemistry, biomass processing, and CO₂ capture in sustainable research and industry\.

## Products
- [1\-Ethyl\-3\-methylimidazolium acetate, \>95% Technical Grade, CAS: 143314\-17\-4](https://roco.global/product/emim-oac-cas-143314-17-4-technical-grade/): \<p class="cas"\>\<strong\>CAS NO:\</strong\> \<em\>143314\-17\-4\</em\>\</p\>

\<ul\>
 	\<li\>\<strong\>Chemical Formula:\</strong\> C8H14N2O2\</li\>
 	\<li\>\<strong\>Synonyms:\</strong\> EMIM Ac, EMIM OAc, C1C2Im OAc, Im12 OAc\</li\>
 	\<li\>Aromatic\</li\>
 	\<li\>Hydrophilic\</li\>
\</ul\>
For High Purity of \>98%, refer to  \<a href="https://roco\.global/product/1\-ethyl\-3\-methylimidazolium\-acetate\-98/"\>IL\-0189\-HP\</a\>
- [1\-Butyl\-1\-methylpyrrolidinium bis\(trifluoromethylsulfonyl\)imide, \>99\.5% Battery Grade, CAS: 223437\-11\-4](https://roco.global/product/bmpyrr-tfsi-cas-223437-11-4-battery-grade/): \<p class="cas"\>\<strong\>CAS NO:\</strong\> \<em\>223437\-11\-4\</em\>\</p\>

\<ul\>
 	\<li\>\<strong\>Chemical Formula:\</strong\> C11H20F6N2O4S2\</li\>
 	\<li\>\<strong\>Synonyms:\</strong\> BMP\-BTI, BMPyrr BTA, BMPyrr NTf2, BMPyrr TFSI, BMPyrr BTI, BMPyrr TFSI, Pyr14TFSI, N\-Butyl\-N\-methylpyrrolidinium bis\(trifluoromethylsulfonyl\)imide\</li\>
 	\<li\>Weakly\-coordinating anion\</li\>
 	\<li\>Hydrophobic\</li\>
\</ul\>
For Optical Purity, colorless product, discover \<a href="https://roco\.global/product/1\-butyl\-1\-methylpyrrolidinium\-bistrifluoromethylsulfonylimide\-colorless/"\>IL\-0035\-OP\</a\>
- [1\-Ethyl\-3\-methylimidazolium dicyanamide, \>98%, CAS: 370865\-89\-7](https://roco.global/product/emim-dca-cas-370865-89-7/): \<p class="cas"\>\<strong\>CAS NO:\</strong\> \<em\>370865\-89\-7\</em\>\</p\>

\<ul\>
 	\<li\>\<strong\>Chemical Formula: \</strong\>C8H11N5\</li\>
 	\<li\>\<strong\>Synonyms:\</strong\> EMIM DCA, C1C2Im DCA, Im12 DCA\</li\>
 	\<li\>Weakly\-coordinating anion\</li\>
 	\<li\>Hydrophilic\</li\>
 	\<li\>Aromatic\</li\>
\</ul\>
- [Triethylpentylammonium bis\(trifluoromethylsulfonyl\)imide, \>99%, CAS: 906478\-91\-9](https://roco.global/product/tepa-tfsi-cas-906478-91-9/): \<p class="cas"\>\<strong\>CAS NO:\</strong\> \<em\>906478\-91\-9\</em\>\</p\>

\<ul\>
 	\<li\>\<b\>Chemical Formula: \</b\>C\<sub\>13\</sub\>H\<sub\>26\</sub\>F\<sub\>6\</sub\>N\<sub\>2\</sub\>O4S\<sub\>2\</sub\>\</li\>
 	\<li\>\<strong\>Synonyms: \</strong\>Amyltriethylammonium bis\(trifluoromethylsulfonyl\)imide, N\<sub\>2225\</sub\> BTA,  N\<sub\>2225\</sub\> TFSI,  N\<sub\>2225\</sub\> NTf\<sub\>2\</sub\>\</li\>
\</ul\>
- [1\-Methylimidazolium triflate, \>98%, CAS: 99257\-94\-0](https://roco.global/product/mim-otf-cas-99257-94-0/): \<p class="cas"\>\<strong\>CAS NO:\</strong\> \<i\>99257\-94\-0\</i\>\</p\>

\<ul\>
 	\<li\>\<strong\>Chemical Formula: \</strong\>C5H\<sub\>7\</sub\>F\<sub\>3\</sub\>N\<sub\>2\</sub\>O\<sub\>3\</sub\>S\</li\>
 	\<li\>\<strong\>Synonyms: \</strong\>MIM OTf, 1\-Methylimidazolium trifluoromethanesulfonate\</li\>
 	\<li\>Aromatic\</li\>
 	\<li\>Protic\</li\>
\</ul\>
\<p class="p1"\>\*\*This product will incur a $97\.00 HazMat fee when the order is placed\.\*\*\</p\>

## Categories
- [Blog Materials World](https://roco.global/category/blog-materials-world/)
- [Services](https://roco.global/category/services/)
- [Carbon dioxide capture](https://roco.global/category/blog-materials-world/carbon-dioxide-capture/)
- [News](https://roco.global/category/news/)
- [Ionic Liquid](https://roco.global/category/blog-materials-world/ionic-liquid/)

## Tags
- [Ionic liquids](https://roco.global/tag/ionic-liquids/)
- [polymer](https://roco.global/tag/polymer/)
- [Circular Economy](https://roco.global/tag/circular-economy/)
- [Recycling](https://roco.global/tag/recycling/)

## Product categories
- [Ionic Liquids](https://roco.global/product-category/ionic-liquids/)
- [Imidazolium](https://roco.global/product-category/ionic-liquids/imidazolium/)
- [Pyridinium](https://roco.global/product-category/ionic-liquids/pyridinium/)
- [Pyrrolidinium](https://roco.global/product-category/ionic-liquids/pyrrolidinium/)
- [Ammonium](https://roco.global/product-category/ionic-liquids/ammonium/)

## Optional
- [Sitemap index](https://roco.global/sitemap_index.xml)