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Sigma-Aldrich

L-Ascorbic acid

anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99%

Synonym(s):

L-Threoascorbic acid, Antiscorbutic factor, Vitamin C

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About This Item

Empirical Formula (Hill Notation):
C6H8O6
CAS Number:
50-81-7
Molecular Weight:
176.12
Beilstein/REAXYS Number:
84272
EC Number:
200-066-2
MDL number:
MFCD00064328
UNSPSC Code:
12352300
PubChem Substance ID:
329768483
NACRES:
NA.21

biological source

synthetic (organic)

Quality Level

200

grade

ACS reagent
anhydrous

product line

Redi-Dri™

assay

≥99%

form

crystals or granules
powder or chunks

optical activity

[α]25/D +20.5 to +21.5° in water

quality

free-flowing

ign. residue

<0.1%

color

white

pH

1.0-2.5 (25 °C, 176 g/L in water)

mp

190-194 °C (dec.)

solubility

water: soluble 176 g/L at 20 °C

cation traces

Fe: ≤0.001%
heavy metals: ≤0.002% (by ICP-OES)

SMILES string

OC([C@]([C@@H](O)CO)([H])O1)=C(O)C1=O

InChI

1S/C6H8O6/c7-1-2(8)5-3(9)4(10)6(11)12-5/h2,5,7-10H,1H2/t2-,5+/m0/s1

InChI key

CIWBSHSKHKDKBQ-JLAZNSOCSA-N

Gene Information

human ... SLC23A2(9962)

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General description

L-Ascorbic acid or vitamin C is a water-soluble vitamin found in various foodstuffs. Benefits of vitamin C may include protection against immune system deficiencies, cardiovascular disease, hyperpigmentation, skin protection, anti-aging, iron absorption, and red blood cell production. It is also useful in the biosynthesis of collagen, L-carnitine, and neurotransmitters.

Application

L-Ascorbic acid (anhydrous) can be used in pharmaceutical applications.

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCP6631
MKCN8686
MKCM4324
MKCK8984
MKCK3206

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