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L-Ascorbic acid

Catalog No. 95209 Name Sigma Aldrich
CAS Number 50-81-7 Website http://www.sigmaaldrich.com
M. F. C6H8O6 Telephone 1-800-521-8956
M. W. 176.12412 Fax
Purity ≥99.5% (RT) Email
Storage Chembase ID: 12

SYNONYMS

Title
L-抗坏血酸
IUPAC name
(5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2,5-dihydrofuran-2-one
IUPAC Traditional name
vitamin C
Synonyms
Vitamin C
L-维生素 C
维生素 C
抗坏血病因子
L-Threoascorbic acid
Antiscorbutic factor

DATABASE IDS

PubChem SID 24890105
MDL Number MFCD00064328
Beilstein Number 84272
CAS Number 50-81-7
EC Number 200-066-2

PROPERTIES

abs. absorption1M/306 nm, H2O cut-off
Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces sulfate (SO42-): ≤20 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces Na: ≤50 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Empirical Formula (Hill Notation) C6H8O6
Ignition Residue ≤0.05% (as SO4)
Impurities insoluble matter, passes filter test
Loss on Drying ≤0.05% loss on drying, 20 °C (HV)
Product Line BioUltra
Purity ≥99.5% (RT)
Gene Information human ... SLC23A2(9962)
Melting Point 190-194 °C (dec.)
pH 1.0-2.5 (25 °C, 1 M in H2O)
Solubility H2O: soluble1 M at 20 °C, clear, colorless
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECS CI7650000
German water hazard class 1

DETAILS

Description (English)
Other Notes
Denaturation of proteins1; Dimeric association of E. coli RNA polymerase α subunits, studied by cleavage of single cysteine α subunits conjugated to Fe-BABE2.
Biochem/physiol Actions
L-Ascorbic acid (Vitamin C) is a water soluble molecule use in a wide variety of applications, including cell culture, as a reducing agent that helps reduce oxidative stress. L-Ascorbate can be regenerated by biological systems.
Description (简体中文)
Other Notes
Denaturation of proteins1; Dimeric association of E. coli RNA polymerase α subunits, studied by cleavage of single cysteine α subunits conjugated to Fe-BABE2.
Biochem/physiol Actions
L-Ascorbic acid (Vitamin C) is a water soluble molecule use in a wide variety of applications, including cell culture, as a reducing agent that helps reduce oxidative stress. L-Ascorbate can be regenerated by biological systems.

REFERENCES