{"id":2028,"date":"2026-09-06T15:07:35","date_gmt":"2026-09-06T20:07:35","guid":{"rendered":"https:\/\/www.cestoil.com\/?page_id=2028"},"modified":"2026-09-15T16:03:28","modified_gmt":"2026-09-15T21:03:28","slug":"acides-gras-dhuile-de-soja","status":"publish","type":"page","link":"https:\/\/www.cestoil.com\/fr\/products-applications\/renewable-ingredients\/soy-oil-fatty-acids\/","title":{"rendered":"Acides gras de soja"},"content":{"rendered":"<div class=\"wpb-content-wrapper\" id=\"wpb-content-root\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_raw_code wpb_raw_html wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<style>.ctx-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.ctx-card{border:1px solid #dedede;background:#f5f6f8;padding:26px;min-width:0}.ctx-card h3{font-size:22px!important}.ctx-card 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source photo, application panels and an airy reading rhythm. *\/\n.cpr-page .cpr-hero.cpr-visual-hero{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);max-width:none;gap:42px;align-items:center}\n.cpr-visual-hero>div,.cpr-visual-hero figure{min-width:0}\n.cpr-visual-hero figure{margin:0;border-bottom:3px solid #c9ac63;padding-bottom:12px}\n.cpr-page .cpr-visual-hero img{width:100%;height:auto;aspect-ratio:4\/3;object-fit:cover;border-radius:0}\n.cpr-visual-hero figcaption{display:flex;flex-wrap:wrap;gap:4px 12px;justify-content:space-between;font-size:13px;line-height:1.5;color:#666;padding-top:10px}\n.cpr-visual-hero figcaption a{font-size:12px;color:#666}\n.cpr-page .cpr-updated{display:inline-flex;align-items:center;gap:8px;font-size:12px!important;font-weight:700!important;line-height:1.4!important;color:#6d5725;background:#f6f0df;border:1px solid #dfce9f;padding:6px 10px;margin:0 0 16px;letter-spacing:.02em}\n.cpr-updated::before{content:'';width:6px;height:6px;background:#a58736;border-radius:50%}\n.cpr-applications{padding:34px 0 38px;border-top:1px solid #dedede}\n.cpr-applications-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:22px}\n.cpr-page .cpr-applications-heading h2{margin:0!important;font-size:26px!important}\n.cpr-applications-heading>span{font-size:13px;color:#777}\n.cpr-application-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}\n.cpr-application{margin:0;background:#f5f6f8;min-width:0}\n.cpr-application img{display:block;width:100%;height:195px;object-fit:cover}\n.cpr-application figcaption{padding:20px 24px 22px;border-top:3px solid #c9ac63}\n.cpr-page .cpr-application h3{font-size:21px!important;margin:0 0 8px!important}\n.cpr-page .cpr-application p{font-size:15px!important;line-height:1.65!important;margin:0}\n.cpr-page .cpr-application img.cpr-resin-image{object-position:65% center}\n.cpr-page .cpr-lab-support{display:block;width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;margin:0 0 22px}\n@media(max-width:800px){.cpr-page .cpr-hero.cpr-visual-hero{grid-template-columns:1fr;gap:28px}.cpr-page .cpr-visual-hero img{aspect-ratio:16\/10}.cpr-application img{height:170px}}\n@media(max-width:600px){.cpr-application-grid{grid-template-columns:1fr;gap:20px}.cpr-applications{padding:28px 0}.cpr-application img{height:auto;aspect-ratio:16\/9}.cpr-application figcaption{padding:18px 20px}.cpr-page .cpr-updated{font-size:11px!important}.cpr-visual-hero figcaption{font-size:12px}}\n<\/style><article class=\"cpr-page soy-page\">\n<nav class=\"cpr-breadcrumb\" aria-label=\"Breadcrumb\"><a href=\"\/products-applications\/\">Products &amp; Applications<\/a> \/ <a href=\"\/products-applications\/renewable-ingredients\/\">Renewable Ingredients<\/a><\/nav>\n<header class=\"cpr-hero cpr-visual-hero\"><div>\n<p class=\"cpr-kicker\">Renewable Ingredients \u00b7 PureSofina<\/p>\n<p class=\"cpr-updated\">PDS updated \u00b7 September 2026<\/p><h1>Soy Fatty Acids<\/h1>\n<p class=\"cpr-lead\">PureSofina soybean fatty acids provide renewable feedstocks for alkyd resins, industrial soaps, surfactant derivatives and ester synthesis. Choose from six grades by initial color, iodine value, titer and acid value.<\/p>\n<div class=\"soy-links\"><a class=\"cpr-button\" href=\"#puresofina-grades\">Explore the six grades<\/a><a href=\"\/contact\/?product=puresofina&amp;inquiry=selection#cestoil-product-request\">Discuss grade selection<\/a><\/div>\n<\/div><figure><img src=\"\/wp-content\/uploads\/2026\/09\/cestoil-soybean-field.webp\" width=\"640\" height=\"391\" decoding=\"async\" fetchpriority=\"high\" alt=\"Rows of young soybean plants in a field\"><figcaption><span>Soybean-derived feedstock<\/span> <a href=\"https:\/\/www.ars.usda.gov\/oc\/images\/photos\/aug05\/d151-1\/\" target=\"_blank\" rel=\"noopener\">Photo: Michael Russelle \/ USDA ARS<\/a><\/figcaption><\/figure><\/header>\n<section class=\"cpr-section\"><h2>The PureSofina range<\/h2><div class=\"cpr-body\">\n<p>PureSofina 100 serves general industrial conversion, while 100S offers a tighter initial-color limit. PureSofina 100A emphasizes low titer, and 100C serves processes matched to its lower acid value range.<\/p>\n<p>The 100 IL and 100S IL grades combine low iodine value with two levels of initial-color control for formulations targeting oxidative and color stability.<\/p>\n<\/div><\/section>\n<section class=\"soy-range\" id=\"puresofina-grades\" aria-labelledby=\"grade-heading\"><h2 id=\"grade-heading\">Find a grade for your formulation<\/h2>\n<p>Start with the property most important to your process, then check the complete product specification and evaluate the grade under representative formulation and processing conditions.<\/p>\n<div class=\"cpr-grid\"><section class=\"cpr-card soy-grade\" id=\"puresofina-100\" aria-labelledby=\"puresofina-100-title\">\n<h3 id=\"puresofina-100-title\">PureSofina 100<\/h3>\n<p class=\"soy-type\">General purpose soybean fatty acid<\/p>\n<p>A general-purpose soybean fatty acid with pale initial color and unsaturated fatty acid functionality for industrial conversion.<\/p>\n<ul><li>Alkyd resins and industrial coatings<\/li><li>Industrial soaps and surfactant derivatives<\/li><li>Esters and lubricant intermediates<\/li><\/ul>\n<p class=\"soy-guidance\">Start with 100 for general resin, neutralization and esterification work. Consider 100S when a tighter initial-color limit is required.<\/p>\n<a class=\"soy-data-link\" href=\"\/contact\/?product=puresofina-100&amp;inquiry=pds#cestoil-product-request\" aria-label=\"Request PDS for PureSofina 100\">Request PDS <span aria-hidden=\"true\">\u2192<\/span><\/a>\n<\/section>\n<section class=\"cpr-card soy-grade\" id=\"puresofina-100s\" aria-labelledby=\"puresofina-100s-title\">\n<h3 id=\"puresofina-100s-title\">PureSofina 100S<\/h3>\n<p class=\"soy-type\">Pale soybean fatty acid<\/p>\n<p>A pale soybean fatty acid for formulations in which the starting color of the feedstock is a key selection criterion.<\/p>\n<ul><li>Pale alkyd resins and varnishes<\/li><li>Color-sensitive soaps, amides and surfactant intermediates<\/li><li>Plasticizer and lubricant ester synthesis<\/li><\/ul>\n<p class=\"soy-guidance\">Choose 100S for its tighter initial-color limit. Evaluate color through the actual process cycle and in the finished formulation.<\/p>\n<a class=\"soy-data-link\" href=\"\/contact\/?product=puresofina-100s&amp;inquiry=pds#cestoil-product-request\" aria-label=\"Request PDS for PureSofina 100S\">Request PDS <span aria-hidden=\"true\">\u2192<\/span><\/a>\n<\/section>\n<section class=\"cpr-card soy-grade\" id=\"puresofina-100a\" aria-labelledby=\"puresofina-100a-title\">\n<h3 id=\"puresofina-100a-title\">PureSofina 100A<\/h3>\n<p class=\"soy-type\">Low titer soybean fatty acid<\/p>\n<p>A low-titer soybean fatty acid for industrial formulations that prioritize raw-material handling at lower temperatures and unsaturated fatty acid functionality.<\/p>\n<ul><li>Industrial lubricant ester synthesis<\/li><li>Metalworking-fluid and emulsifier intermediates<\/li><li>Alkyd resins with less restrictive initial-color requirements<\/li><\/ul>\n<p class=\"soy-guidance\">Choose 100A when low titer is a primary raw-material requirement. Evaluate finished-product low-temperature properties separately.<\/p>\n<a class=\"soy-data-link\" href=\"\/contact\/?product=puresofina-100a&amp;inquiry=pds#cestoil-product-request\" aria-label=\"Request PDS for PureSofina 100A\">Request PDS <span aria-hidden=\"true\">\u2192<\/span><\/a>\n<\/section>\n<section class=\"cpr-card soy-grade\" id=\"puresofina-100c\" aria-labelledby=\"puresofina-100c-title\">\n<h3 id=\"puresofina-100c-title\">PureSofina 100C<\/h3>\n<p class=\"soy-type\">Lower acid value soybean fatty acid<\/p>\n<p>A soybean fatty acid for industrial processes formulated around a lower acid value range and less restrictive initial-color requirements.<\/p>\n<ul><li>Industrial soaps and emulsifiers<\/li><li>Lubricant and metalworking-fluid intermediates<\/li><li>Resin and ester formulations adapted to this grade<\/li><\/ul>\n<p class=\"soy-guidance\">Match the process to this grade\u2019s acid value and iodine value ranges. Calculate neutralizer and alcohol requirements from the batch acid value, and assess conversion and residual acidity.<\/p>\n<a class=\"soy-data-link\" href=\"\/contact\/?product=puresofina-100c&amp;inquiry=pds#cestoil-product-request\" aria-label=\"Request PDS for PureSofina 100C\">Request PDS <span aria-hidden=\"true\">\u2192<\/span><\/a>\n<\/section>\n<section class=\"cpr-card soy-grade\" id=\"puresofina-100-il\" aria-labelledby=\"puresofina-100-il-title\">\n<h3 id=\"puresofina-100-il-title\">PureSofina 100 IL<\/h3>\n<p class=\"soy-type\">Low iodine soybean fatty acid<\/p>\n<p>A refined soybean fatty acid combining low iodine value with pale initial color for formulations targeting oxidative and color stability.<\/p>\n<ul><li>Alkyd resins and coatings targeting resistance to yellowing<\/li><li>Esters and plasticizers with controlled unsaturation<\/li><li>Soaps, amides and color-sensitive surfactant derivatives<\/li><\/ul>\n<p class=\"soy-guidance\">Choose 100 IL when low iodine value and pale starting color meet the formulation needs. In air-drying alkyds, evaluate drying speed alongside color retention.<\/p>\n<a class=\"soy-data-link\" href=\"\/contact\/?product=puresofina-100-il&amp;inquiry=pds#cestoil-product-request\" aria-label=\"Request PDS for PureSofina 100 IL\">Request PDS <span aria-hidden=\"true\">\u2192<\/span><\/a>\n<\/section>\n<section class=\"cpr-card soy-grade\" id=\"puresofina-100s-il\" aria-labelledby=\"puresofina-100s-il-title\">\n<h3 id=\"puresofina-100s-il-title\">PureSofina 100S IL<\/h3>\n<p class=\"soy-type\">Pale low iodine soybean fatty acid<\/p>\n<p>A refined soybean fatty acid combining low iodine value with a tighter initial-color limit for especially pale formulations.<\/p>\n<ul><li>Pale alkyd resins and varnishes<\/li><li>Color-sensitive esters and plasticizers<\/li><li>Pale soaps, amides and surfactant derivatives<\/li><\/ul>\n<p class=\"soy-guidance\">Choose 100S IL when especially pale starting color is required alongside low iodine value. Its initial-color limit distinguishes it from 100 IL; both grades have the same specified heat-color limit.<\/p>\n<a class=\"soy-data-link\" href=\"\/contact\/?product=puresofina-100s-il&amp;inquiry=pds#cestoil-product-request\" aria-label=\"Request PDS for PureSofina 100S IL\">Request PDS <span aria-hidden=\"true\">\u2192<\/span><\/a>\n<\/section><\/div><\/section>\n<section class=\"cpr-applications\" aria-labelledby=\"application-heading\"><div class=\"cpr-applications-heading\"><h2 id=\"application-heading\">From feedstock to formulation<\/h2><span>Application imagery<\/span><\/div><div class=\"cpr-application-grid\"><figure class=\"cpr-application\"><img class=\"cpr-resin-image\" src=\"\/wp-content\/uploads\/2026\/09\/cestoil-renewable-resin-research.webp\" width=\"1100\" height=\"509\" loading=\"lazy\" decoding=\"async\" alt=\"Laboratory evaluation of a resin sample\"><figcaption><h3>Resins &amp; coatings<\/h3><p>Fatty acid feedstocks for alkyd resin and ester synthesis.<\/p><\/figcaption><\/figure><figure class=\"cpr-application\"><img src=\"\/wp-content\/uploads\/2026\/09\/cestoil-renewable-surfactants.webp\" width=\"1100\" height=\"306\" loading=\"lazy\" decoding=\"async\" alt=\"Close-up of foam in an aqueous formulation\"><figcaption><h3>Surfactants &amp; emulsifiers<\/h3><p>Intermediates for industrial soaps, surfactants and formulated systems.<\/p><\/figcaption><\/figure><\/div><\/section><section class=\"cpr-section\"><h2>What to check when selecting a grade<\/h2><div class=\"cpr-body\"><ul class=\"soy-checklist\">\n<li><strong>Initial color and processing color.<\/strong> S grades offer tighter initial-color limits. Check color after the actual synthesis cycle and in the finished product. Compare heat-color results only when holding time and atmosphere match.<\/li>\n<li><strong>Iodine value and reaction behavior.<\/strong> Select unsaturation around the intended conversion route. With low-iodine IL grades, assess oxidation and color stability in the complete formulation; air-drying alkyds also require a balance between drying response and color retention.<\/li>\n<li><strong>Titer and handling.<\/strong> Consider 100A when low titer is a priority. Titer measures fatty acid solidification; finished-product pour point and minimum pumping temperature require separate evaluation.<\/li>\n<li><strong>Acid value and formulation quantities.<\/strong> Use the batch acid value to calculate neutralizer or alcohol requirements. For 100C, check that the process is matched to its lower acid value range and evaluate conversion and residual acidity.<\/li>\n<\/ul><\/div><\/section>\n<section class=\"cpr-section\"><h2>Product data and application support<\/h2><div class=\"cpr-body\">\n<p>Request the current product data sheet for the selected grade, including specification limits, typical properties, packaging and storage guidance. Review the current safety data sheet before use.<\/p>\n<p>For grade selection, share the intended reaction or blending process, color requirements, storage and transfer temperatures, and the finished-product properties you need to control.<\/p>\n<\/div><\/section><aside class=\"cpr-related\"><h2>Related product categories<\/h2><ul><li><a href=\"\/products-applications\/renewable-ingredients\/tall-oil-fatty-acids\/\">Tall Oil Fatty Acids<\/a><\/li><li><a href=\"\/products-applications\/renewable-ingredients\/linoleic-rich-fatty-acids\/\">Linoleic Acids<\/a><\/li><li><a href=\"\/products-applications\/renewable-ingredients\/iso-oleic-acids\/\">Isooleic Acids<\/a><\/li><li><a href=\"\/products-applications\/renewable-ingredients\/dimer-acids\/\">Dimer Acids<\/a><\/li><\/ul><\/aside><section class=\"cpr-cta\"><h2>Discuss your PureSofina application<\/h2>\n<p>Contact Cestoil for grade selection, the relevant PDS and SDS, or a sample for formulation evaluation.<\/p>\n<div class=\"soy-links\"><a class=\"cpr-button\" href=\"\/contact\/?product=puresofina&amp;inquiry=selection#cestoil-product-request\">Contact our technical team<\/a><a href=\"\/request-a-sample\/\">Request a sample<\/a><\/div>\n<\/section><\/article>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Ingr\u00e9dients \u00e0 base d'acides gras issus du soja pour la formulation industrielle et la synth\u00e8se chimique.<\/p>","protected":false},"author":2,"featured_media":0,"parent":1555,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"class_list":["post-2028","page","type-page","status-publish","hentry","description-off"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"Explore six PureSofina soybean fatty acid grades for resins, soaps, surfactant derivatives and esters. 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