{"id":2138,"date":"2026-06-28T21:03:53","date_gmt":"2026-06-28T20:03:53","guid":{"rendered":"http:\/\/seamlessbio.de\/?page_id=2138"},"modified":"2026-06-28T21:04:38","modified_gmt":"2026-06-28T20:04:38","slug":"hsa-overview","status":"publish","type":"page","link":"https:\/\/seamlessbio.de\/de\/hsa-overview\/","title":{"rendered":"HSA \u2013 \u00dcberblick"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2138\" class=\"elementor elementor-2138\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-06f547c e-con e-atomic-element e-flexbox-base e-df59598 \" data-id=\"06f547c\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"06f547c\">\n    \t\t<div class=\"elementor-element elementor-element-1c52ca5 elementor-widget elementor-widget-html\" data-id=\"1c52ca5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!--\nYOAST SEO \u2014 seamlessbio.de\nSlug:        \/products\/albumin-proteins\/human-serum-albumin\/\nSEO Title:   Human Serum Albumin (HSA) | All Grades \u00b7 All Formats \u00b7 On Request | SeamlessBio\nMeta Desc:   Human Serum Albumin (HSA) \u2014 Excipient, Diagnostic, Cell Culture & Research grade. 5%\/20%\/25% solutions. PET\/PETG + bags. EU supplier. SeamlessBio.\n-->\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"BreadcrumbList\",\n      \"itemListElement\": [\n        { \"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/www.seamlessbio.de\/\" }\n        { \"@type\": \"ListItem\", \"position\": 2, \"name\": \"Products\", \"item\": \"https:\/\/www.seamlessbio.de\/products\/albumin-proteins\/\" }\n        { \"@type\": \"ListItem\", \"position\": 3, \"name\": \"Human Serum Albumin (HSA) \u2014 All Grades\", \"item\": \"https:\/\/www.seamlessbio.de\/products\/albumin-proteins\/human-serum-albumin\/\" }\n      ]\n    },\n    {\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What grades of Human Serum Albumin does SeamlessBio supply?\",\n          \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Four grades: Excipient Grade (pharmacopoeial, for pharmaceutical formulations), Diagnostic Grade (IVD calibrator and control manufacturing), Cell Culture Grade (xeno-free ATMP and cell therapy, ISO 13485), and Research Grade (cost-effective R&D use). All on request.\" }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is the difference between HSA 5% and HSA 20% solution?\",\n          \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"HSA 5% (50 g\/L) is isotonic \u2014 equivalent to physiological plasma albumin \u2014 and is the standard for cell washing and separation buffers. HSA 20% (200 g\/L) is concentrated and used where volume minimisation is critical, diluted to working concentration at point of use.\" }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Is HSA available in single-use bags?\",\n          \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Yes \u2014 HSA liquid solutions (5%, 20%) are available in PET\/PETG vials and single-use bags (250 mL to 5 L). All on request. Contact info@seamlessbio.de with your volume and format requirements.\" }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What documentation is available for HSA used in ATMP manufacturing?\",\n          \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Cell Culture Grade HSA: CoA per lot, CoO, TSE\/BSE statement, ISO 13485 certificate, donor screening records. For Near-GMP and GMP-Grade documentation packages, contact us with your regulatory requirement.\" }\n        }\n      ]\n    }\n  ]\n}\n<\/script>\n<section class=\"sb-hsaov-page\">\n<div class=\"sb-hsaov-container\">\n  <nav class=\"sb-hsaov-bc\"><a href=\"https:\/\/www.seamlessbio.de\/\">Home<\/a><span>\/<\/span><a href=\"https:\/\/www.seamlessbio.de\/products\/albumin-proteins\/\">Albumin & Proteins<\/a><span>\/<\/span><strong>Human Serum Albumin (HSA)<\/strong><\/nav>\n  <div class=\"sb-hsaov-hero\">\n    <div class=\"sb-hsaov-hero-text\">\n      <span class=\"sb-hsaov-eyebrow\">All Grades \u00b7 All Formats \u00b7 US Origin \u00b7 All on Request<\/span>\n      <h1>Human Serum Albumin (HSA)<\/h1>\n      <p>Human Serum Albumin (HSA) \u2014 the most abundant protein in human blood plasma \u2014 in four application grades, multiple concentrations and two packaging formats. From research-grade cell culture supplement to pharmaceutical excipient grade for ATMP and vaccine formulation. All products on request \u2014 contact us for availability, documentation and pricing.<\/p>\n      <div class=\"sb-hsaov-tags\"><span>Excipient Grade<\/span><span>Diagnostic Grade<\/span><span>Cell Culture Grade<\/span><span>Research Grade<\/span><span>5% \u00b7 20% \u00b7 25%<\/span><span>US Origin \u00b7 All on Request<\/span><\/div>\n      <div class=\"sb-hsaov-btns\"><a href=\"https:\/\/www.seamlessbio.de\/about-us\/contact-imprint\/\" class=\"sb-hsaov-btn\">Request Information<\/a><a href=\"https:\/\/shop.seamlessbio.de\" class=\"sb-hsaov-btn-o\">Visit Shop<\/a><\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"sb-hsaov-note\">\n    All HSA products are available on request. Contact <a href=\"mailto:info@seamlessbio.de\">info@seamlessbio.de<\/a> with your grade, format, volume and documentation requirements \u2014 we will respond within 48 hours.\n  <\/div>\n\n  <div class=\"sb-hsaov-section\">\n    <h2>HSA by Grade<\/h2>\n    <p class=\"sb-hsaov-intro\">Human Serum Albumin is not a single product \u2014 it is a category spanning four grades with different quality systems, regulatory status and documentation packages. Choosing the wrong grade introduces regulatory risk. See our <a href=\"https:\/\/www.seamlessbio.de\/compare\/hsa-rhsa-grades-comparison\/\">HSA vs. rHSA Grade Comparison<\/a> for a complete guide.<\/p>\n    <div class=\"sb-hsaov-grade-grid\">\n      <div class=\"sb-hsaov-grade\">\n        <div class=\"sb-hsaov-grade-badge g1\">Excipient Grade<\/div>\n        <h3>HSA Excipient Grade<\/h3>\n        <p>Plasma-derived HSA for use as an inactive ingredient (excipient) in pharmaceutical and biopharmaceutical formulations. Meets pharmacopoeial requirements (Ph. Eur.\/USP). Standard grade for vaccine formulation, stabilisation of therapeutic proteins and drug delivery applications.<\/p>\n        <ul class=\"sb-hsaov-ul\">\n          <li>Plasma-derived from human donors<\/li>\n          <li>Pharmacopoeial (Ph. Eur.\/USP) compliant<\/li>\n          <li>Viral inactivation step included<\/li>\n          <li>For use in pharmaceutical products<\/li>\n          <li>Requires customer qualification and appropriate licensure<\/li>\n        <\/ul>\n        <a href=\"https:\/\/www.seamlessbio.de\/about-us\/contact-imprint\/\" class=\"sb-hsaov-grade-cta\">Request \u2014 All on Request<\/a>\n      <\/div>\n      <div class=\"sb-hsaov-grade\">\n        <div class=\"sb-hsaov-grade-badge g2\">Diagnostic Grade<\/div>\n        <h3>HSA Diagnostic Grade<\/h3>\n        <p>High-purity HSA specifically processed for use in IVD diagnostic applications \u2014 calibrator and control manufacturing, quality control products and immunoassay reagent stabilisation. Exceptional purity and lot-to-lot consistency for diagnostic test kit development and production.<\/p>\n        <ul class=\"sb-hsaov-ul\">\n          <li>Exceptional purity \u2014 minimal interfering proteins<\/li>\n          <li>Defined lot-to-lot consistency<\/li>\n          <li>Suitable for calibrator and control manufacturing<\/li>\n          <li>IVDR documentation available<\/li>\n          <li>Batch reservation for IVD product lifecycles<\/li>\n        <\/ul>\n        <a href=\"https:\/\/www.seamlessbio.de\/about-us\/contact-imprint\/\" class=\"sb-hsaov-grade-cta\">Request \u2014 All on Request<\/a>\n      <\/div>\n      <div class=\"sb-hsaov-grade\">\n        <div class=\"sb-hsaov-grade-badge g3\">Cell Culture Grade<\/div>\n        <h3>HSA Cell Culture Grade<\/h3>\n        <p>Human-derived albumin for xeno-free cell culture supplementation, ATMP manufacturing and cryopreservation. Eliminates xenogenic bovine albumin (BSA) exposure for human cell lines where xeno-free compliance is required. Standard for CAR-T cell wash buffers, MSC expansion and iPSC serum-free formulations.<\/p>\n        <ul class=\"sb-hsaov-ul\">\n          <li>Human-derived \u2014 no bovine origin<\/li>\n          <li>Xeno-free cell culture compliance<\/li>\n          <li>Cell therapy and ATMP manufacturing<\/li>\n          <li>Cryopreservation buffer supplement<\/li>\n          <li>ISO 13485 or Near-GMP quality system<\/li>\n        <\/ul>\n        <a href=\"https:\/\/www.seamlessbio.de\/about-us\/contact-imprint\/\" class=\"sb-hsaov-grade-cta\">Request \u2014 All on Request<\/a>\n      <\/div>\n      <div class=\"sb-hsaov-grade\">\n        <div class=\"sb-hsaov-grade-badge g4\">Research Grade<\/div>\n        <h3>HSA Research Grade<\/h3>\n        <p>Cost-effective human albumin for research and development applications where pharmaceutical-grade documentation is not required. Serum-free media development, assay buffer formulation, blocking reagent and basic research applications. CoA per lot included.<\/p>\n        <ul class=\"sb-hsaov-ul\">\n          <li>Research and development use<\/li>\n          <li>CoA per lot<\/li>\n          <li>Cost-effective for high-volume R&D<\/li>\n          <li>Assay buffer and blocking applications<\/li>\n          <li>Available from shop or on request<\/li>\n        <\/ul>\n        <a href=\"https:\/\/shop.seamlessbio.de\" class=\"sb-hsaov-grade-cta\">Available in Shop<\/a>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"sb-hsaov-section sb-hsaov-alt\">\n    <h2>HSA Liquid Solutions<\/h2>\n    <p class=\"sb-hsaov-intro\">Pre-formulated HSA solutions in isotonic or concentrated formats \u2014 ready-to-use for cell culture washing, cell therapy processing and biopharmaceutical formulation.<\/p>\n    <div class=\"sb-hsaov-liq-grid\">\n      <div class=\"sb-hsaov-liq\">\n        <h3>HSA 5% Solution (50 g\/L)<\/h3>\n        <p>Isotonic \u2014 equivalent to physiological plasma albumin concentration. Standard for cell washing, separation buffers and isotonic cell therapy formulations. Available in PET\/PETG vials and single-use bags.<\/p>\n        <div class=\"sb-hsaov-liq-specs\">pH 6.7\u20137.3 \u00b7 \u226596% purity \u00b7 \u22645 EU\/mL \u00b7 0.2 \u00b5m sterile filtered \u00b7 ISO 13485<\/div>\n        <a href=\"https:\/\/www.seamlessbio.de\/about-us\/contact-imprint\/\" class=\"sb-hsaov-liq-cta\">On Request \u2192<\/a>\n      <\/div>\n      <div class=\"sb-hsaov-liq\">\n        <h3>HSA 20% Solution (200 g\/L)<\/h3>\n        <p>Concentrated solution \u2014 used where volume minimisation is critical. Final product formulation for cell therapy infusion preparations, where dilution to physiological concentration occurs at the point of use. PET\/PETG vials and single-use bags.<\/p>\n        <div class=\"sb-hsaov-liq-specs\">pH 6.7\u20137.5 \u00b7 \u226596% purity \u00b7 \u22645 EU\/mL \u00b7 0.2 \u00b5m sterile filtered \u00b7 ISO 13485<\/div>\n        <a href=\"https:\/\/www.seamlessbio.de\/about-us\/contact-imprint\/\" class=\"sb-hsaov-liq-cta\">On Request \u2192<\/a>\n      <\/div>\n      <div class=\"sb-hsaov-liq\">\n        <h3>HSA 25% Solution (250 g\/L)<\/h3>\n        <p>Hyper-concentrated solution for cryopreservation formulations, albumin spiking in defined cell culture media and volume-critical formulation development. Requires dilution for most cell culture applications.<\/p>\n        <div class=\"sb-hsaov-liq-specs\">pH 6.7\u20137.5 \u00b7 \u226596% purity \u00b7 0.2 \u00b5m sterile filtered \u00b7 ISO 13485<\/div>\n        <a href=\"https:\/\/shop.seamlessbio.de\" class=\"sb-hsaov-liq-cta\">Available in Shop \u2192<\/a>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"sb-hsaov-section\">\n    <h2>Packaging Formats<\/h2>\n    <div class=\"sb-hsaov-pkg-grid\">\n      <div class=\"sb-hsaov-pkg\">\n        <h3>Lyophilised Powder<\/h3>\n        <p>Powder form for maximum stability and shelf life at ambient storage. Reconstitute to required concentration. Standard format for research and diagnostic grade HSA.<\/p>\n        <p><strong>Volumes:<\/strong> 1 g, 5 g, 10 g, 100 g \u00b7 Bulk on request<\/p>\n      <\/div>\n      <div class=\"sb-hsaov-pkg\">\n        <h3>PET\/PETG Vials<\/h3>\n        <p>Break-resistant, lightweight, albumin-compatible plastic vials for HSA liquid solutions. Cost-effective alternative to glass for research and process development use.<\/p>\n        <p><strong>Volumes:<\/strong> 10 mL \u2013 500 mL \u00b7 On request<\/p>\n      <\/div>\n      <div class=\"sb-hsaov-pkg\">\n        <h3>Single-Use Bags<\/h3>\n        <p>Closed-system single-use bags \u2014 GMP-compatible, no cross-contamination risk. Preferred for cell therapy manufacturing, GMP-adjacent processes and large-volume applications.<\/p>\n        <p><strong>Volumes:<\/strong> 250 mL \u2013 5 L \u00b7 On request<\/p>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"sb-hsaov-section sb-hsaov-alt\">\n    <h2>Related Products & Guides<\/h2>\n    <div class=\"sb-hsaov-related\">\n      <a href=\"https:\/\/www.seamlessbio.de\/products\/albumin-proteins\/rhsa-overview\/\" class=\"sb-hsaov-rel\"><h3>Recombinant HSA (rHSA)<\/h3><p>Animal-free, donor-independent alternative \u2014 rHSA Economy, Premium and CHO-expressed grades.<\/p><\/a>\n      <a href=\"https:\/\/www.seamlessbio.de\/compare\/hsa-rhsa-grades-comparison\/\" class=\"sb-hsaov-rel\"><h3>HSA vs. rHSA Grade Comparison<\/h3><p>Complete guide \u2014 which grade for which application and what documentation to expect.<\/p><\/a>\n      <a href=\"https:\/\/www.seamlessbio.de\/products\/albumin-proteins\/bsa-low-endotoxin\/\" class=\"sb-hsaov-rel\"><h3>BSA Low Endotoxin<\/h3><p>Bovine Serum Albumin \u2014 cost-effective alternative where human-derived albumin is not required.<\/p><\/a>\n      <a href=\"https:\/\/www.seamlessbio.de\/applications\/cell-therapy-atmps\/\" class=\"sb-hsaov-rel\"><h3>Cell Therapy & ATMPs<\/h3><p>HSA in ATMP manufacturing \u2014 washing, formulation and regulatory documentation considerations.<\/p><\/a>\n    <\/div>\n  <\/div>\n\n  <div class=\"sb-hsaov-cta\">\n    <h2>All HSA Products \u2014 On Request<\/h2>\n    <p>Contact us with your grade, format, volume and documentation requirements. Free test volumes available. Response within 48 hours.<\/p>\n    <div class=\"sb-hsaov-cta-btns\"><a href=\"https:\/\/www.seamlessbio.de\/about-us\/contact-imprint\/\" class=\"sb-hsaov-btn-w\">Contact Us<\/a><a href=\"mailto:info@seamlessbio.de?subject=HSA%20Enquiry\" class=\"sb-hsaov-btn-oo\">info@seamlessbio.de<\/a><\/div>\n  <\/div>\n<\/div>\n<\/section>\n<style>\n.sb-hsaov-page,.sb-hsaov-page *,.sb-hsaov-page *::before,.sb-hsaov-page *::after{box-sizing:border-box}\n.sb-hsaov-page{font-family:Arial,sans-serif;color:#1a1a1a;background:#fff;padding:60px 32px 90px}\n.sb-hsaov-container{max-width:1200px;margin:0 auto}\n.sb-hsaov-bc{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:13px;color:#888;margin-bottom:28px}\n.sb-hsaov-bc a{color:#18b7b2!important;text-decoration:none!important;font-weight:600}.sb-hsaov-bc strong{color:#111}.sb-hsaov-bc span{color:#ccc}\n.sb-hsaov-hero{background:linear-gradient(135deg,#0d9490 0%,#18b7b2 60%,#1ec8c2 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