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180947

Sigma-Aldrich

Alginic acid sodium salt

powder

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Synonym(s):
Algin, Sodium alginate
CAS Number:
MDL number:

biological source

algae (marine)

form

powder

viscosity

15-25 cP, 1 % in H2O

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

Alginic acid sodium is a gelling and nontoxic anionic polysaccharide. The carboxylic acid groups on the alginic acid chain, renders it insoluble in water.However, converting alginic acid to its sodium form, enables it to solubilize in water easily.

Application

Alginic acid sodium is used:
  • in combination with chitosan, to fabricate a biodegradable porous scaffold for bone tissue engineering.
  • to study the characteristics of a modified amphiphilic alginate derivative
  • to the study the impact of alginate on the rate of lipid digestion by employing an in vitro digestion model
  • in the preparation of alginate hydrogels
  • as encapsulating agents of microparticles of β-galactosidae

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

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  5. How do I dissolve Product No. 180947, Alginic acid sodium salt?

    Product No. 180947, Alginic acid sodium salt, is soluble in water.  

  6. What is the molecular weight of Product No. 180947, Alginic acid sodium salt?

    The molecular weight of Product No. 180947, Alginic acid sodium salt, is 120,000-190,000 g/moL.

  7. What is the ratio of mannuronic acid to guluronic acid in Product No. 180947, Alginic acid sodium salt?

    The ratio of mannuronic acid to guluronic acid (M/G ratio) is 1.56.

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