Microbiological Agar-Agar
Microbiological agar-agar is a refined powder from red algae used as a solidifying agent in petri dishes for bacterial cultures. It is classified under HTS 1302.31.00.00 as pure, unmodified agar-agar functioning as a vegetable-derived mucilage. This distinguishes it from nutrient media or modified lab reagents.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If prepared as ready-to-use culture media
Agar-agar combined with nutrients or salts for lab cultures classifies as prepared microbiological media under 3821.
If for antisera or vaccine culture bases
If used in vaccine production or with biologicals, it may enter under Chapter 30 as antisera preparations.
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Import Tips & Compliance
• Include lab-grade certificates showing bacterial endotoxin limits for research imports
• Declare intended use as microbiological medium to prevent medicinal reclassification
Related Products under HTS 1302.31.00.00
Agar-Agar Flakes
Agar-agar flakes are dried and flaked extracts from red seaweed, offering a convenient form for culinary gelling without modification. Classified under HTS 1302.31.00.00 as pure agar-agar, a vegetable-derived mucilage and thickener not altered chemically. It is widely used in desserts, microbiology, and vegan recipes.
Vegan Gelatin Agar-Agar
Vegan gelatin agar-agar is a plant-based alternative to animal gelatin, extracted from red seaweed for use in marshmallows and puddings. It fits HTS 1302.31.00.00 as pure agar-agar mucilage, unmodified and derived from vegetable products. Excludes sweetened confectionery forms.
Organic Agar-Agar Powder
Organic agar-agar powder is certified organic extract from wild-harvested red algae, free of pesticides for natural foods. HTS 1302.31.00.00 applies to this pure, unmodified mucilage thickener from vegetable sources. USDA organic certification enhances marketability.
Agar-Agar Granules
Agar-agar granules are coarse particles of pure red algae extract, dissolving easily for instant gels in beverages. Falls under HTS 1302.31.00.00 as granulated but unmodified agar-agar mucilage. Used in drinks and low-sugar jams.
Strip Agar for Labs
Strip agar for labs consists of flexible, pure agar-agar sheets from Gracilaria, cut for electrophoresis or culturing. HTS 1302.31.00.00 covers this form as unmodified vegetable-derived mucilage. Not for diagnostic kits.
High-Gel-Strength Agar-Agar
High-gel-strength agar-agar from premium Gelidium algae provides firm gels for canning and biotech. Classified HTS 1302.31.00.00 as natural, unmodified thickener. Gel strength over 1000 g/cm².