{"id":26508,"date":"2026-10-08T17:28:14","date_gmt":"2026-10-08T09:28:14","guid":{"rendered":"https:\/\/collagensei.com\/?page_id=26508"},"modified":"2026-10-19T14:05:10","modified_gmt":"2026-10-19T06:05:10","slug":"riboflacin-vitamin-b2-powder","status":"publish","type":"page","link":"https:\/\/collagensei.com\/ko\/vitamins-supplier\/riboflacin-vitamin-b2-powder\/","title":{"rendered":"Riboflacin Vitamin B2 Powder"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"26508\" class=\"elementor elementor-26508\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-151d035 e-con-full e-flex e-con e-parent\" data-id=\"151d035\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bbe6475 elementor-widget elementor-widget-html\" data-id=\"bbe6475\" data-element_type=\"widget\" data-e-type=\"widget\" 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.g-check span{color:var(--g-muted);font-size:14px}\r\n.gensei-vit-page .g-cta-inline{margin-top:26px;padding:24px 26px;border:1px solid #cfdce4;border-radius:18px;background:var(--g-blue-soft);display:flex;gap:24px;align-items:center;justify-content:space-between}.gensei-vit-page .g-cta-inline h3{margin:0 0 5px;color:var(--g-blue-dark);font-size:21px}.gensei-vit-page .g-cta-inline p{margin:0;color:#526671}\r\n@media(max-width:980px){.gensei-vit-page .g-story-grid,.gensei-vit-page .g-split{grid-template-columns:1fr}.gensei-vit-page .g-checks{grid-template-columns:1fr}}\r\n@media(max-width:640px){.gensei-vit-page .g-cta-inline{align-items:flex-start;flex-direction:column}}\r\n<\/style>\r\n<style>\r\n.gensei-vit-page .g-image-card.g-product-image{background-image:url('https:\/\/collagensei.com\/wp-content\/uploads\/2026\/10\/Riboflavin-vitamin-B2.webp');background-position:center center;background-size:cover;background-repeat:no-repeat}\r\n.gensei-vit-page .g-image-card.ribo:after{content:none}\r\n<\/style><div class=\"gensei-vit-page\">\r\n<section class=\"g-hero\"><div class=\"g-wrap g-hero-grid\"><div>\r\n<div class=\"g-eyebrow\">Vitamin B2 Raw Material<\/div>\r\n<h1>Riboflavin Vitamin B2 Powder Supplier<\/h1>\r\n<p class=\"g-lead\">Bulk Riboflavin (Vitamin B2) crystalline powder for ingredient sourcing, with defined particle-size and analytical specifications supported by batch-specific COA data.<\/p>\r\n<div class=\"g-actions\"><a class=\"g-btn g-btn-primary\" href=\"#product-inquiry\">Request Riboflavin Quote<\/a><\/div>\r\n<\/div><div class=\"g-image-card ribo g-product-image\" role=\"img\" aria-label=\"Riboflavin Vitamin B2 product image\"><\/div><\/div><\/section>\r\n\r\n<section class=\"g-section\"><div class=\"g-wrap\">\r\n<div class=\"g-section-head\"><h2>Riboflavin Vitamin B2 Product Overview<\/h2><p>Riboflavin is Vitamin B2. Riboflavin is the unphosphorylated form of vitamin B2, with a distinct chemical identity and physical profile.<\/p><\/div>\r\n<div class=\"g-overview\">\r\n<div class=\"g-overview-item\"><span>CAS Number<\/span><strong>83-88-5<\/strong><\/div>\r\n<div class=\"g-overview-item\"><span>Appearance<\/span><strong>Orange-Yellow Crystalline Powder<\/strong><\/div>\r\n<div class=\"g-overview-item\"><span>Compendial Reference<\/span><strong>USP2021<\/strong><\/div>\r\n\r\n<\/div><\/div><\/section>\r\n<section class=\"g-section g-section-soft\"><div class=\"g-wrap\">\r\n<div class=\"g-section-head\"><h2>Riboflavin Identity &amp; Physical Profile<\/h2><p>Riboflavin has the molecular formula C<sub>17<\/sub>H<sub>20<\/sub>N<sub>4<\/sub>O<sub>6<\/sub> and a molecular weight of approximately 376.36. It occurs as a yellow to orange-yellow crystalline powder and is very slightly soluble in water. Dry material is comparatively stable under diffused light, while riboflavin in solution is sensitive to light exposure.<\/p><\/div>\r\n<div class=\"g-story-grid\">\r\n<div class=\"g-story-card\"><span>Chemical Identity<\/span><h3>C<sub>17<\/sub>H<sub>20<\/sub>N<sub>4<\/sub>O<sub>6<\/sub><\/h3><p>The molecular formula distinguishes standard Riboflavin from its phosphate sodium derivative.<\/p><\/div>\r\n<div class=\"g-story-card\"><span>Physical Behavior<\/span><h3>Very Slightly Soluble in Water<\/h3><p>Water solubility varies with crystalline structure; FCC reports approximately 1 g dissolving in 3,000 to 20,000 mL of water.<\/p><\/div>\r\n<div class=\"g-story-card\"><span>Handling Context<\/span><h3>Light-Sensitive in Solution<\/h3><p>Dry material is not affected by diffused light under the FCC description, while dissolved riboflavin deteriorates under light exposure.<\/p><\/div>\r\n<\/div><\/div><\/section>\r\n\r\n\r\n\r\n\r\n<section class=\"g-section\"><div class=\"g-wrap\"><div class=\"g-section-head\"><h2>Riboflavin Specification &amp; Batch Results<\/h2><p>Product acceptance criteria and certified batch results are presented side by side for direct review.<\/p><\/div>\r\n<div class=\"g-table-wrap\"><table><thead><tr><th>Test Item<\/th><th>Specification<\/th><th>Batch Result<\/th><\/tr><\/thead><tbody>\r\n<tr class=\"g-group\"><td colspan=\"3\">Identity &amp; Physical Properties<\/td><\/tr>\r\n<tr><td>Appearance<\/td><td>Orange-yellow crystalline powder<\/td><td>Meets<\/td><\/tr>\r\n<tr><td>Identification<\/td><td>Intense yellowish-green fluorescence disappears upon addition of mineral acids or alkalies<\/td><td>Meets<\/td><\/tr>\r\n<tr><td>Lumiflavin<\/td><td>Absorbance of filtrate at 440 nm does not exceed 0.025; not more intense than BY6<\/td><td>Meets<\/td><\/tr>\r\n<tr><td>Particle Size<\/td><td>95% passes through 80 mesh sieve<\/td><td>Meets<\/td><\/tr>\r\n<tr><td>Specific Rotation<\/td><td>\u2212115\u00b0 to \u2212135\u00b0<\/td><td>\u2212120\u00b0<\/td><\/tr>\r\n<tr class=\"g-group\"><td colspan=\"3\">Chemical Quality<\/td><\/tr>\r\n<tr><td>Loss on Drying<\/td><td>\u22641.5%<\/td><td>0.3%<\/td><\/tr>\r\n<tr><td>Heavy Metals<\/td><td>&lt;10 ppm<\/td><td>&lt;10 ppm<\/td><\/tr>\r\n<tr><td>Residue on Ignition<\/td><td>\u22640.3% (USP)<\/td><td>0.06%<\/td><\/tr>\r\n<tr class=\"g-group\"><td colspan=\"3\">Assay<\/td><\/tr>\r\n<tr><td>Riboflavin on Dried Basis<\/td><td>98.0%\u2013102.0%<\/td><td>98.5%<\/td><\/tr>\r\n<\/tbody><\/table><\/div><\/div><\/section>\r\n\r\n\r\n\r\n\r\n<section class=\"g-section g-section-soft\"><div class=\"g-wrap\">\r\n<div class=\"g-section-head\"><h2>Riboflavin Raw Material Evaluation<\/h2><p>Raw-material evaluation includes chemical identity, assay basis, physical specification and batch-specific analytical results. Particle size is controlled as a defined specification for this Riboflavin material.<\/p><\/div>\r\n<div class=\"g-checks\">\r\n<div class=\"g-check\"><strong>Match the Material Identity<\/strong><span>Confirm the required chemical form and material identity before specification review.<\/span><\/div>\r\n<div class=\"g-check\"><strong>Read Assay on Its Stated Basis<\/strong><span>Compare assay results on the same calculation basis and against equivalent specifications.<\/span><\/div>\r\n<div class=\"g-check\"><strong>Check Physical Specification<\/strong><span>Evaluate particle-size requirements independently from chemical assay.<\/span><\/div>\r\n<div class=\"g-check\"><strong>Use Batch Data for Release Review<\/strong><span>Use batch-specific analytical results for release and incoming-material review.<\/span><\/div>\r\n<\/div><\/div><\/section>\r\n<section class=\"g-section\"><div class=\"g-wrap\">\r\n<div class=\"g-section-head\"><h2>Riboflavin vs. Riboflavin Sodium Phosphate<\/h2><p>The two materials have different identities and different assay bases. The assay percentages should not be used as a direct purity comparison between the products.<\/p><\/div>\r\n<div class=\"g-table-wrap\"><table><thead><tr><th>Selection Point<\/th><th>Riboflavin<\/th><th>Riboflavin Sodium Phosphate<\/th><\/tr><\/thead><tbody>\r\n<tr><td>Chemical form<\/td><td>Unphosphorylated Riboflavin<\/td><td>Phosphate sodium derivative<\/td><\/tr>\r\n<tr><td>Water behavior in established physical-property data<\/td><td>Very slightly soluble<\/td><td>Water-soluble; FCC reports about 1 g in 30 mL<\/td><\/tr>\r\n<tr><td>Moisture behavior<\/td><td>No hygroscopic designation used in the cited FCC description<\/td><td>Described by FCC as hygroscopic<\/td><\/tr>\r\n<tr><td>Analytical profile in batch specification<\/td><td>Includes a defined particle-size requirement<\/td><td>Includes related substances, residual solvents and microbiological controls<\/td><\/tr>\r\n<tr><td>Assay interpretation<\/td><td>Assay applies to standard Riboflavin<\/td><td>Assay is expressed as riboflavin content for the phosphate sodium material<\/td><\/tr>\r\n<\/tbody><\/table><\/div><\/div><\/section>\r\n\r\n<section class=\"g-section g-section-soft\"><div class=\"g-wrap\">\r\n<div class=\"g-section-head\"><h2>Riboflavin Packaging &amp; Batch Traceability<\/h2><p>Batch traceability includes manufacturing, release and expiry information together with packing details.<\/p><\/div>\r\n<div class=\"g-coa\"><div class=\"g-coa-title\"><span>Batch Number<\/span><strong>H202505005FM<\/strong><\/div><div><span>Batch Size<\/span><strong>2,000 kg<\/strong><\/div><div><span>Packing<\/span><strong>25 kg<\/strong><\/div><div><span>Manufacturing Date<\/span><strong>May 05, 2025<\/strong><\/div><div><span>Release Date<\/span><strong>May 06, 2025<\/strong><\/div><div><span>Expiry Date<\/span><strong>May 04, 2029<\/strong><\/div><\/div>\r\n<\/div><\/section>\r\n\r\n<section class=\"g-inquiry-section\" id=\"product-inquiry\"><div class=\"g-wrap g-inquiry-grid\"><div 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Yang","author_link":"https:\/\/collagensei.com\/ko\/author\/yafang-yang\/"},"uagb_comment_info":0,"uagb_excerpt":"Vitamin B2 Raw Material Riboflavin Vitamin B2 Powder Supplier Bulk Riboflavin (Vitamin B2) crystalline powder for ingredient sourcing, with defined [&hellip;]","_links":{"self":[{"href":"https:\/\/collagensei.com\/ko\/wp-json\/wp\/v2\/pages\/26508","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/collagensei.com\/ko\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/collagensei.com\/ko\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/collagensei.com\/ko\/wp-json\/wp\/v2\/users\/169"}],"replies":[{"embeddable":true,"href":"https:\/\/collagensei.com\/ko\/wp-json\/wp\/v2\/comments?post=26508"}],"version-history":[{"count":13,"href":"https:\/\/collagensei.com\/ko\/wp-json\/wp\/v2\/pages\/26508\/revisions"}],"predecessor-version":[{"id":27253,"href":"https:\/\/collagensei.com\/ko\/wp-json\/wp\/v2\/pages\/26508\/revisions\/27253"}],"up":[{"embeddable":true,"href":"https:\/\/collagensei.com\/ko\/wp-json\/wp\/v2\/pages\/4842"}],"wp:attachment":[{"href":"https:\/\/collagensei.com\/ko\/wp-json\/wp\/v2\/media?parent=26508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}