Octenylsuccinic Anhydride (OSA) is an organic acid anhydride (CAS No. 26680-54-6 or CAS No.:42482-06-4)used as a key esterification agent for starch modification.
It reacts with starch to introduce hydrophobic groups, creating amphiphilic properties essential for emulsification.
Product Parameter (Specification)
As a professional manufacturer, we offer high-purity OSA with the following specifications:
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Appearance |
Clear, colorless to light yellow liquid |
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Purity (OSA content) |
≥ 99% |
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Total Acid Number |
520 – 536 mg KOH/g |
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Free Maleic Anhydride |
≤ 0.25% |
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Viscosity |
≤ 45 mPa·s (25°C) |
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Water Content |
≤ 0.1% |
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Density |
~1.0 g/cm³ |
Product Feature and Application
Features
Applications
Food Industry: Production of modified starch (E1450) for emulsifiers, flavor encapsulation, dressings, and bakery products.
Industrial: Epoxy resin curing agent providing toughness and moisture resistance; paper coating and sizing agent; adhesive manufacturing.
Cosmetics & Pharmaceuticals: Emulsifier for creams and excipient for drug delivery systems.
Production Details
Handan Huajun Chemicals Co., Ltd. is a specialized manufacturer with advanced production technology ensuring consistent quality and stable supply.
Our facility is equipped with precise reaction control systems to achieve optimal esterification efficiency and high purity.
Packaging
200 kg drums or 1000 kg IBC tanks; customizable options available.
Storage
Keep away from moisture, air, acids, and alkalis; store in cool, dry conditions.
Product Qualification
We are certified with ISO9001 for quality management systems, ensuring strict control over raw materials, production processes,
and finished products. Our OSA meets international standards for both food-grade and industrial applications, with comprehensive Certificates of Analysis (COA) provided for each batch.
Deliver, Shipping and Serving
We serve both domestic and international markets with reliable logistics:
Shipping
Safe transportation by sea (FCL/LCL), air, or express (FedEx/DHL).
Lead Time
Prompt delivery within 7–15 days after order confirmation.
Customer Service
Technical support and documentation assistance (including customs clearance) to ensure smooth global trade.
FAQ
Q1: Is OSA safe for food contact applications?
Yes, our OSA is produced under strict quality control and is suitable for manufacturing food-grade modified starches compliant with international regulations.
Q2: What is the minimum order quantity?
We accommodate both trial orders (small quantities) and bulk shipments for commercial use.
Q3: How do you ensure product stability during shipping?
We use sealed, moisture-proof packaging and follow standardized shipping protocols to maintain product integrity.
Latest News
With the global OSA market projected to grow at a CAGR of 2.5% through 2032, driven by rising demand for clean-label emulsifiers and pharmaceutical excipients.
Handan Huajun Chemicals continues to expand production capacity and invest in R&D to meet evolving customer needs.
Contact us for the latest product innovations and partnership opportunities.
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