Buy polymers · Biopolymers & biomaterials
Buy Sodium alginate.
Find catalog suppliers and compare buying options for Sodium alginate. Use the material details below to match the right grade, molecular-weight range, and pack size.
Buying overview
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A practical starting point for finding and comparing catalog material options.
Common short name: Alginate
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Supplier listings
Compare Sodium alginate prices.
The table brings different pack sizes and catalog contexts together. Price per gram is a useful first pass, but it is not a substitute for matching grade and molecular-weight range.
| Supplier / catalog | Specification | Pack | Listed price | Normalized price | Availability |
|---|---|---|---|---|---|
SA Sigma-AldrichA1112 |
Sodium alginate · low viscosity · brown algaeBiopolymer · powder | 250 g | USD $149.00 | $0.60 / g | Available to ship todayChecked 2026-09-03 |
SA Sigma-AldrichA2033 |
Sodium alginate · medium viscosity · brown algaeBiopolymer · powder | 250 g | USD $153.00 | $0.61 / g | Available to ship todayChecked 2026-09-03 |
SA Sigma-AldrichA1112 |
Sodium alginate · low viscosity · brown algaeBiopolymer · powder | 100 g | USD $67.60 | $0.68 / g | Available to ship todayChecked 2026-09-03 |
SA Sigma-AldrichA2033 |
Sodium alginate · medium viscosity · brown algaeBiopolymer · powder | 100 g | USD $82.80 | $0.83 / g | Available to ship todayChecked 2026-09-03 |
Supplier catalogs
Open the catalogs behind the comparison.
These links lead to current supplier search pages so you can review additional grades, pack sizes, and availability beyond the checked rows above.
SciPoly catalog checked 2026-09-04: no matching public product page was returned for this material in the current check.
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