Citroflex™ B-6 is a specially formulated citric acid ester plasticizer for use in PVC medical articles, such as tubing and intravenous bags requiring a phthalate-free and biodegradable solution.
Citroflex™ citric acid esters are based on natural raw materials, mainly derived from fermenting corn. Citroflex™ esters are not volatile organic compounds (VOCs) and are ideal for biopolymer applications. Citroflex™ B-6 is a completely phthalate-free plasticizer that offers extended low-temperature performance and flexibility for medical plastics.
Citroflex™ B-6 has low extractability into lipid media, making it particularly useful for blood products. It nearly duplicates the properties of di-(2-ethylhexyl) phthalate while maintaining biodegradability. Citroflex™ B-6 offers a clean toxicological profile and has been field-tested for over 20 years as an alternative to DEHP or di(2-ethylhexyl) adipate DEHA. It is a simple, drop-in replacement for medical PVC compounders looking for similar or improved performance.
Form: Oily liquid
Color: Clear
Pour point, °C: − 55
Flash point, C.O.C., °F: 453
Melting point, °C: − 55 (pour point)
Viscosity @ 25°C, cps: 28
Specific gravity @ 25/25°C: 0.991 – 0.995
CAS number: 82469-792
Molecular formula: C28H50O8
Molecular weight: 514
Primary Chemistry: n-Butyryl tri-n-hexyl citrate
Phthalate free
Biodegradable
Significantly less volatile loss
Better flexibility and reduced brittle point at low temperatures
An excellent alternative to DEHP since it duplicates similar properties
Strong compatibility
Approved by European Pharmacopeia
Performance and green profile of plasticizers for use in PVC medical articles
Compatibility of PVC plasticizers with aqueous-based mediums
Medical PVC lacking flexibility or cracking resistance at low temperatures
Medical plastic devices
Blood bags
IV tubes
Surgical tubes
Personal protection equipment (PPE)
Catheters
Dialysis bags
Oxygen and aesthetic masks
Nasal cannulae
Ostomy bags
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