Merck
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33034

Sigma-Aldrich

L-Ascorbic acid

puriss. p.a., ACS reagent, reag. ISO, Ph. Eur., 99.7-100.5% (oxidimetric)

Synonym(s):
L-Threoascorbic acid, Antiscorbutic factor, Vitamin C
Empirical Formula (Hill Notation):
C6H8O6
CAS Number:
Molecular Weight:
176.12
Beilstein:
84272
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

ACS reagent
puriss. p.a.

Agency

Ph. Eur.
USP/NF
reag. ISO

Assay

99.7-100.5% (oxidimetric)

form

solid

optical activity

[α]20/D +20.5 to +21.5°, c = 10% in H2O

technique(s)

IR spectroscopy: suitable

impurities

related substances, in accordance (HPLC)
≤0.001% heavy metals (by ICP-OES)

ign. residue

≤0.05% (as SO4)

loss

≤0.1% loss on drying, 105 °C

pH

2.1-2.6 (20 °C, 5%)

mp

190-194 °C (dec.)

solubility

water: soluble 176 g/L at 20 °C

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤20 mg/kg

cation traces

As: ≤1 mg/kg
Cu: ≤5 mg/kg
Fe: ≤2 mg/kg
Pb: ≤5 mg/kg
Zn: ≤10 mg/kg

suitability

complies for appearance of solution
passes test for identity (IR)

application(s)

cell analysis

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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This Item
255564795437A0278
L-Ascorbic acid puriss. p.a., ACS reagent, reag. ISO, Ph. Eur., 99.7-100.5% (oxidimetric)

Sigma-Aldrich

33034

L-Ascorbic acid

L-Ascorbic acid ACS reagent, ≥99%

Sigma-Aldrich

255564

L-Ascorbic acid

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

Sigma-Aldrich

795437

L-Ascorbic acid

L-Ascorbic acid reagent grade

Sigma-Aldrich

A0278

L-Ascorbic acid

biological source

synthetic

biological source

-

biological source

synthetic (organic)

biological source

synthetic

grade

ACS reagent, puriss. p.a.

grade

ACS reagent

grade

ACS reagent, anhydrous

grade

reagent grade

assay

99.7-100.5% (oxidimetric)

assay

≥99%

assay

≥99%

assay

≥98% (with Iodine, titration)

form

solid

form

chunks, crystalline powder, crystals, granular

form

powder

form

powder

technique(s)

IR spectroscopy: suitable

technique(s)

HPLC: suitable, cell culture | mammalian: suitable

technique(s)

-

technique(s)

HPLC: suitable

mp

190-194 °C (dec.)

mp

190-194 °C (dec.)

mp

190-194 °C (dec.)

mp

190-194 °C (dec.)

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 has been used as an analytical interfering substance in glycated albumin (GA) enzymatic assay.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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