L-Ascorbic acid

SIGMA/95209 - BioUltra, ≥99.5% (RT)

Synonym: L-Threoascorbic acid; Antiscorbutic factor; Vitamin C

CAS Number: 50-81-7
Empirical Formula (Hill Notation): C₆H₈O₆
Molecular Weight: 176.12
EC Number: 200-066-2
MDL Number: MFCD00064328
Linear Formula: C₆H₈O₆
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-95209-50G	50 g	$100.00 1/EA	Add To Favorites
45-95209-250G	250 g	$405.00 1/EA	Add To Favorites
45-95209-1KG	1 kg	$578.00 1/EA	Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

absorption	cut-off at 306 nm in H₂O at 1 M
anion traces	chloride (Cl^-): ≤50 mg/kg
	sulfate (SO₄^2-): ≤20 mg/kg
assay	≥99.5% (RT)
biological source	synthetic
cation traces	Al: ≤5 mg/kg
	As: ≤0.1 mg/kg
	Ba: ≤5 mg/kg
	Bi: ≤5 mg/kg
	Ca: ≤25 mg/kg
	Cd: ≤5 mg/kg
	Co: ≤5 mg/kg
	Cr: ≤5 mg/kg
	Cu: ≤5 mg/kg
	Fe: ≤5 mg/kg
	K: ≤50 mg/kg
	Li: ≤5 mg/kg
	Mg: ≤5 mg/kg
	Mn: ≤5 mg/kg
	Mo: ≤5 mg/kg
	Na: ≤50 mg/kg
	Ni: ≤5 mg/kg
	Pb: ≤5 mg/kg
	Sr: ≤5 mg/kg
	Zn: ≤5 mg/kg
color	white to off-white
form	powder or crystals
grade	biotech. grade
ign. residue	≤0.05% (as SO₄)
impurities	insoluble matter, passes filter test
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
loss	≤0.05% loss on drying, 20 °C (HV)
mp	190-194 °C (dec.)
pH	1.0-2.5 (25 °C, 1 M in H₂O)
product line	BioUltra
Quality Level	200
SMILES string	OC([C@]([C@@H](O)CO)([H])O1)=C(O)C1=O
solubility	H₂O: 1 M at 20 °C, clear, colorless

Application:	L-Ascorbic acid has been used as an antioxidant supplement in incubation solution for dissected and sliced brain sections. It has also been used as a supplement in phosphate-buffered saline (PBS) wash buffer during oxidative GFP chromophore formation.
Biochem/physiol Actions:	L-Ascorbic acid (Vitamin C) acts as a potential anti-oxidant and reducing agent. It prevents bacterial mutagenesis induced by N-nitroso compounds. In plants, vitamin C elicits several cellular processes such as growth, apoptosis, pathogen responses, hormone responses, flowering and senescence, and protection against environmental stresses. Vitamin C deficiency is associated with the development of scurvy, prominent - gingivitis, perifollicular hemorrhages, poor wound healing, petechiae and ecchymosis.
General description:	L-Ascorbic acid, also known as vitamin C, is a water-soluble vitamin. It is naturally present in a variety of foods such as citrus fruits and vegetables. It is present only in minimal amount in milk.
Other Notes:	Denaturation of proteins; Dimeric association of E. coli RNA polymerase α subunits, studied by cleavage of single cysteine α subunits conjugated to Fe-BABE.

RIDADR	NONH for all modes of transport
WGK Germany	WGK 1
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥99.5% (RT)
mp	190-194 °C (dec.)
UNSPSC	12352205

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