Alginic acid

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Alginic acid
Identifiers
CAS number 9005-32-7 YesY
UNII 8C3Z4148WZ N
EC nummer 232-680-1
ATC code A02BX13
Properties
Molecular formula (C6H8O6)n
Molar mass 10,000 - 600,000
Appearance white tae yellae, fibrous powder
Density 1.601 g/cm3
Acidity (pKa) 1.5-3.5
 YesY (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Alginic acid, an aa cried algin or alginate, is an anionic polysaccharide distributit widely in the cell walls o broun algae, whaur through bindin wi watter it furms a viscous gum. In extractit furm it absorbs watter quickly; it is capable o absorbin 200-300 times its ain wicht in watter.[1] Its colour ranges frae white tae yellaeish-broun. It is sauld in filamentous, granular or poudered furms.

References[eedit | eedit soorce]

  1. Raymond C. Rowe, Paul J. Sheskey, Marian E. Quinn, ed. (2009), "Adipic Acid", Handbook of Pharmaceutical Excipients (Rowe, Handbook of Pharmaceutical Excipients) (Sixth ed.), Pharmaceutical Pr, pp. 11–12, ISBN 0-85369-792-2