Hydroxypropyl starch

Hydroxypropyl starch (CAS 9049-76-7), listed as E1440 in food additive regulations, is a modified starch produced by introducing hydroxypropyl groups onto a native starch backbone.

Where is Hydroxypropyl starch used?

• Food: stabiliser for sauces, soups and dressings
• Frozen foods: texture consistency across temperature cycles
• Pharmaceuticals: binder, disintegrant and film-forming agent in coatings
• Personal care: rheology modifier in creams, lotions and gels
• Paper coating and adhesives: industrial applications
• The modification improves freeze-thaw stability and water retention.

Good to know: Degree of substitution varies by grade and directly affects functional performance in end formulations, so buyers should confirm values when sourcing.

Commercial specifications

• Pharmaceutical grades conform to USP and Ph. Eur. monographs