λ-Carrageen
- CAS NO.：9064-57-7
- Empirical Formula: C12H19O20S3-3
- Molecular Weight: 579.46226
- MDL number: MFCD07370784
- EINECS: 232-953-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:38
What is λ-Carrageen?
Chemical properties
sulfate content 30-40%, forms gels powder
What are the applications of Application
λ-Carrageenan is a non-gelling, anionic linear polymer used for research purposes
Purification Methods
This D-galactose-anhydro-D or Lgalactoside polysaccharide is precipitated from 4g of Carrageenan in 600mL of water containing 12g of KOAc by addition of EtOH. Collect the fraction that precipitates between 30 and 45% (v/v) of EtOH and dry them in vacuo. [Pal & Schubert J Am Chem Soc 84 4384 1962.]
Properties of λ-Carrageen
| storage temp. | room temp |
| solubility | H2O: 10 mg/mL, slightly hazy, faintly yellow |
| form | powder to crystal |
| color | White to Gray to Brown |
| PH | pH (10g/l, 25℃) : 6.0～8.0 |
| Merck | 14,1864 |
| CAS DataBase Reference | 9064-57-7 |
Safety information for λ-Carrageen
Computed Descriptors for λ-Carrageen
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