MilliporeSigma
All Photos(1)

Documents

359645

Sigma-Aldrich

Calcium L-ascorbate dihydrate

99%

Sign Into View Organizational & Contract Pricing

Synonym(s):
L-Ascorbic acid calcium salt dihydrate, Vitamin C calcium salt
Empirical Formula (Hill Notation):
C12H14CaO12 · 2H2O
CAS Number:
Molecular Weight:
426.34
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

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

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
36749411140A7631
Calcium L-ascorbate dihydrate 99%

359645

Calcium L-ascorbate dihydrate

-
(+)-Sodium L-ascorbate BioXtra, ≥99.0% (NT)

11140

(+)-Sodium L-ascorbate

Premium Grade
(+)-Sodium L-ascorbate crystalline, ≥98%

A7631

(+)-Sodium L-ascorbate

-
form

powder

form

powder or crystals

form

powder or crystals

form

crystalline

mp

166 °C (dec.) (lit.)

mp

134 °C (dec.) (lit.)

mp

220 °C (dec.) (lit.)

mp

220 °C (dec.) (lit.)

optical activity

[α]20/D +95°, c = 5 in H2O

optical activity

[α]20/D +13°, c = 5 in H2O

optical activity

[α]20/D +105±2°, c = 5% in H2O

optical activity

-

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)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

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

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service