Ascorbic Acid EP Impurity G

Basic Information

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CAS Number

66757-69-5

Molecular Formula

C6H6O7

Molecular Weight

190.11 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

>200°C (dec.)

Boiling Point

634.3±55.0 °C at 760 mmHg

Density

2.2±0.1 g/cm3

Flash Point

269.9±25.0 °C

Vapor Pressure

0.0±4.2 mmHg at 25°C

SMILES

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[C@H]1(C(=C(C(=O)O1)O)O)[C@H](C(=O)O)O

InChI

InChI=1S/C6H6O7/c7-1-2(8)6(12)13-4(1)3(9)5(10)11/h3-4,7-9H,(H,10,11)/t3-,4+/m1/s1

InChIKey

LMMOGBZPBLQFHK-DMTCNVIQSA-N

LogP

-1.3151

Topological Polar Surface Area

124.29000000000002 Å²

Hydrogen Bond Donor/Acceptor

4 / 7

Complexity

291

Synonyms & References

English

L-threo-Hex-?2-?enaric acid 1,?4-Lactone
L-threo-Hex-2-enaric acid 1,4-Lactone
(2R)-2-[(2R)-3,4-dihydroxy-5-oxo-2H-furan-2-yl]-2-hydroxyacetic acid
CID 54707215
(R)-2-((R)-3,4-Dihydroxy-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyacetic acid
(R)-2-((R)-3,4-dihydroxy-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyacetic acid

FAQ

What is Ascorbic Acid EP Impurity G (CAS: 66757-69-5)?

Ascorbic Acid EP Impurity G (CAS: 66757-69-5) is a specific impurity form of ascorbic acid, a vitamin C derivative. It is a white to off-white crystalline powder with a faint acidic odor. This compound is characterized by its reducing properties and is used in pharmaceuticals, food additives, and research applications.

What are the main uses of Ascorbic Acid EP Impurity G (CAS: 66757-69-5)?

Ascorbic Acid EP Impurity G (CAS: 66757-69-5) is primarily used in the pharmaceutical industry as a raw material for vitamin C formulations. It also serves as a food additive for its antioxidant properties and is used in research for stability tests and impurity profiling.

Is Ascorbic Acid EP Impurity G (CAS: 66757-69-5) safe?

Ascorbic Acid EP Impurity G (CAS: 66757-69-5) is generally considered safe when used as directed. However, it is important to follow proper handling procedures to avoid skin and eye irritation. Protective gloves and eyewear should be worn when handling the compound.

How should Ascorbic Acid EP Impurity G (CAS: 66757-69-5) be stored?

Ascorbic Acid EP Impurity G (CAS: 66757-69-5) should be stored in a cool, dry place away from direct sunlight and moisture. It is recommended to keep it in a tightly sealed container to maintain its stability. Storage temperatures should be below 25°C (77°F) to prevent degradation.