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A2033

Sigma-Aldrich

Alginic acid sodium salt from brown algae

Medium viscosity

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Synonym(s):
Algin, Sodium alginate
CAS Number:
9005-38-3
MDL number:
MFCD00081310
NACRES:
NA.25

biological source

algae (brown)

Quality Level

200

form

powder

color

white to brown

viscosity

≥2,000 cP, 2 %(25 °C)(lit.)

solubility

water: 10 mg/mL, slightly hazy to strongly hazy, faintly yellow to yellow

storage temp.

2-8°C

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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This Item
180947A111271238
Alginic acid sodium salt from brown algae Medium viscosity

Sigma-Aldrich

A2033

Alginic acid sodium salt from brown algae

Alginic acid sodium salt powder

Sigma-Aldrich

180947

Alginic acid sodium salt

Alginic acid sodium salt from brown algae low viscosity

Sigma-Aldrich

A1112

Alginic acid sodium salt from brown algae

Sigma-Aldrich

Sigma-Aldrich

71238

Alginic acid sodium salt from brown algae

form

powder

form

powder

form

powder

form

powder

color

white to brown

color

-

color

white to brown

color

white to light beige

solubility

water: 10 mg/mL, slightly hazy to strongly hazy, faintly yellow to yellow

solubility

-

solubility

water: 10 mg/mL, cloudy to hazy, faintly yellow

solubility

-

storage temp.

2-8°C

storage temp.

-

storage temp.

2-8°C

storage temp.

room temp

viscosity

≥2,000 cP, 2 %(25 °C)(lit.)

viscosity

15-25 cP, 1 % in H2O

viscosity

4-12 cP, 1 % in H2O(25 °C)

viscosity

-

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

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

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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