Thermo Scientific Chemicals

L-(+)-Ascorbic acid, 99+%, Thermo Scientific Chemicals

產品號碼: A15613.0E
2500 g, Each
Thermo Scientific Chemicals

L-(+)-Ascorbic acid, 99+%, Thermo Scientific Chemicals

產品號碼: A15613.0E
2500 g, Each
Quantity
產品號碼: A15613.0E
亦稱為 A15613-0E
價格 (TWD)

化學識別

CAS
50-81-7
IUPAC Name
(5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2,5-dihydrofuran-2-one
Molecular Formula
C6H8O6
InChI Key
CIWBSHSKHKDKBQ-DOMZIZNONA-N
SMILES
OC[C@H](O)[C@H]1OC(=O)C(O)=C1O
Optical Rotation
+20.5? to +21.5? (c=10 in water)
Form
Crystals or powder or crystalline powder
Identification (FTIR)
Conforms
Appearance (Color)
White to pale cream
Assay (Aqueous acid-base Titration)
≥99.0 to ≤101.0%

說明

L-Ascorbic acid is an all important nutrient and antioxidant. L-ascorbic acid is frequently used as a processing aid or as a preservative in certain nutrients or food components. It is also utilized in the synthetic polymer industry, in photo processing and in metal technology. Miscellaneous uses have been proposed in cosmetics, fibers, preservation of blood, preservation of cut plants, cleaning agents and in assay reagents.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
L-Ascorbic acid is an all important nutrient and antioxidant. L-ascorbic acid is frequently used as a processing aid or as a preservative in certain nutrients or food components. It is also utilized in the synthetic polymer industry, in photo processing and in metal technology. Miscellaneous uses have been proposed in cosmetics, fibers, preservation of blood, preservation of cut plants, cleaning agents and in assay reagents.

Solubility
Soluble in water. Insoluble in ether, chloroform, benzene, petroleum ether, oils, fats and fat solvents. L-ascorbic acid means that the compound′s stereochemistry is related to that of the levorotatory enantiomer of glyceraldehyde.

Notes
Stable in air when dry.
RUO – Research Use Only

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