Skip to Content
Merck
All Photos(1)

Key Documents

21054

Sigma-Aldrich

Alginic acid calcium salt from brown algae

Synonym(s):

Calcium alginate

Sign Into View Organizational & Contract Pricing


About This Item

CAS Number:
MDL number:
UNSPSC Code:
12352201
NACRES:
NA.25

biological source

algae (brown)

Quality Level

form

powder

ign. residue

~33% (as SO4)

loss

~10% loss on drying

color

light gray

storage temp.

room temp

SMILES string

[Ca+2].[O-]C(=O)[C@@H]1O[C@H]([C@H]([C@H]([C@@H]1O[C@@H]2O[C@H]([C@H]([C@@H]([C@@H]2O)O)O[C@@H]3O[C@@H]([C@H]([C@@H]([C@@H]3O)O)O)C(=O)[O-])C(=O)O)O)O)O

InChI

1S/C18H26O19.Ca/c19-1-2(20)10(13(26)27)36-17(6(1)24)35-9-4(22)7(25)18(37-12(9)15(30)31)34-8-3(21)5(23)16(32)33-11(8)14(28)29;/h1-12,16-25,32H,(H,26,27)(H,28,29)(H,30,31);/q;+2/p-2/t1-,2-,3+,4+,5-,6-,7-,8-,9-,10-,11+,12+,16+,17+,18+;/m0./s1

InChI key

OKHHGHGGPDJQHR-YMOPUZKJSA-L

Application

Alginate, a colloidal polyuronic acid structural molecule capable of gelation, is used in the preparation of colloidal biodegradable structures such as gels, biofilms, beads, nanoparticles, and microcapsules suitable for applications that range from gel based separation technologies to drug delivery and cell preservation.

Other Notes

To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service