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Sigma-Aldrich

Sodium alginate

Synonym(s):

Alginic acid sodium salt from brown algae, Algin, Sodium alginate

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About This Item

CAS Number:
9005-38-3
FEMA Number:
2015
MDL number:
MFCD00081310
UNSPSC Code:
12164502
E Number:
E 401
NACRES:
NA.21

biological source

synthetic

grade

Halal

reg. compliance

FDA 21 CFR 117
FDA 21 CFR 150.161
FDA 21 CFR 173.310

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

odorless

InChI

1S/C6H10O7.Na/c7-1-2(8)4(5(10)11)13-6(12)3(1)9;/h1-4,6-9,12H,(H,10,11);/q;+1/p-1/t1-,2-,3-,4?,6+;/m0./s1

InChI key

MSXHSNHNTORCAW-MPGIDXPLSA-M

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General description

Sodium alginate is the sodium salt of alginic acid, a polysaccharide found in brown algae. It is generally used as a stabilizer and thickener in the food industry.

Application

Sodium alginate can be used to prepare:
  • Cationized casein-based polyelectrolyte complex for fragrance-controlled release applications.
  • Aroma encapsulation or microcapsules for cosmetic applications.

Other Notes

A straight-chain, hydrophilic, colloidal, polyuronic acid composed of guluronic and mannuronic acid residues.

Disclaimer

For R&D or non-EU Food use. Not for retail sale.

related product

Product No.
Description
Pricing

07475

Timestrip® Food

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Zhang Y, et al.
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Preparation of aroma microcapsules with sodium alginate and tetradecylallyldimethylammonium bromide (TADAB) and its potential applications in cosmetics
Song J and Chen H
Flavour and Fragrance Journal, 33(2), 160-165 (2018)
A major constituent of brown algae for use in high-capacity Li-ion batteries.
Kovalenko I, et al.
Science, 334(6052), 75-79 (2011)
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Aggregates of Pseudomonas aeruginosa form a protective barrier against antibiotics and the immune system. These barriers, known as biofilms, are associated with several infectious diseases. One of the main components of these biofilms is alginate, a homo- and hetero-polysaccharide that
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