L آسکوربیک اسید ACS ریجنت کد 33034 سیگما آلدریچ

L-Ascorbic acid
puriss. p.a., ACS reagent, reag. ISO, Ph. Eur., 99.7-100.5% (oxidimetric)
Synonym: L-Threoascorbic acid, Antiscorbutic factor, Vitamin C
Molecular Weight 176.12
 

Properties

Related Categories	A-B, Puriss p.a. ACS, Acids, Acids & Bases, Analytical Reagents, Analytical Reagents for General Use, Plus...
Quality Level	200
biological source	synthetic
grade	ACS reagent
Agency/Method	Ph. Eur.
	reag. ISO
grade	puriss. p.a.
assay	99.7-100.5% (oxidimetric)
form	solid
optical activity	[α]20/D +20.5 to +21.5°, c = 10% in H2O
application(s)	cell analysis: 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)
storage temp.	room temp
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)