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21054

Sigma-Aldrich

Alginic acid calcium salt from brown algae

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Synonym(s):
Calcium alginate
CAS Number:
9005-35-0
MDL number:
MFCD00143567
NACRES:
NA.25

biological source

algae (brown)

Quality Level

100

form

powder

ign. residue

~33% (as SO4)

loss

~10% loss on drying

color

light gray

storage temp.

room temp

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

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This Item
A1112A2033A7003
Sigma-Aldrich

Sigma-Aldrich

21054

Alginic acid calcium salt from brown algae

Alginic acid sodium salt from brown algae low viscosity

Sigma-Aldrich

A1112

Alginic acid sodium salt from brown algae

Alginic acid sodium salt from brown algae Medium viscosity

Sigma-Aldrich

A2033

Alginic acid sodium salt from brown algae

Alginic acid from brown algae

Sigma-Aldrich

A7003

Alginic acid from brown algae

form

powder

form

powder

form

powder

form

powder

color

light gray

color

white to brown

color

white to brown

color

-

storage temp.

room temp

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

room temp

ign. residue

~33% (as SO4)

ign. residue

-

ign. residue

-

ign. residue

-

loss

~10% loss on drying

loss

-

loss

-

loss

-

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.

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

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