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359645

Sigma-Aldrich

Calcium L-ascorbate dihydrate

99%

Synonym(s):

L-Ascorbic acid calcium salt dihydrate, Vitamin C calcium salt

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About This Item

Empirical Formula (Hill Notation):
C12H14CaO12 · 2H2O
CAS Number:
5743-28-2
Molecular Weight:
426.34
EC Number:
227-261-5
MDL number:
MFCD00149216
UNSPSC Code:
12352205
PubChem Substance ID:
24862094
NACRES:
NA.22

assay

99%

form

powder

optical activity

[α]20/D +95°, c = 5 in H2O

mp

166 °C (dec.) (lit.)

SMILES string

[H]O[H].[H]O[H].OC[C@H](O)[C@H]1OC(=O)C(O)=C1O[Ca]OC2=C(O)C(=O)O[C@@H]2[C@@H](O)CO

InChI

1S/2C6H8O6.Ca.2H2O/c2*7-1-2(8)5-3(9)4(10)6(11)12-5;;;/h2*2,5,7-10H,1H2;;2*1H2/q;;+2;;/p-2/t2*2-,5+;;;/m00.../s1

InChI key

RGJHWLDSRIHFKY-FWCDDDAWSA-L

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Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

572.0 °F - closed cup

flash_point_c

300.00 °C - closed cup

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

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Werner E G Müller et al.
Scientific reports, 10(1), 17147-17147 (2020-10-15)
A drug encapsulation/delivery system using a novel principle is described that is based on an intra-particle migration of calcium ions between a central Ca2+-enriched nanoparticle core and the surrounding shell compartment. The supply of Ca2+ is needed for the formation
Matthew Allan et al.
Food chemistry, 195, 2-10 (2015-11-18)
Deliquescence points (RH0, RH0mix) of ionic crystalline food ingredients and blends thereof were determined using water activity and moisture sorption techniques. Measured RH0mix values of ingredient blends with and without a common ion were compared to Ross equation predictions of

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