VC CAS 50 -81 -7 VC. ascorbic acid. Vita C BP2005. Vitamine CL(+)-Ascorbic acid

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Basic Info.
  • Brand: MOSINTER 
  • Boiling point: 552.672°C at 760 mmHg 
  • Flashing point: 238.199°C 
  • Water solubility: 333 g/L (20℃) 
  • vapour pressure: 0mmHg at 25°C 
  • Model No.: CAS: 50-81-7 
  • Place of Origin: Shandong  
  • Min.Order: 100 Kilogram
  • Means of Transport: Land, Ocean, Air
Supply Capacity
  • Production Capacity: 300 Ton/Year
  • Packing:According to the request of customer
  • Delivery Date: within 7 days

L(+)-Ascorbic acid(CAS: 50-81-7)

 

Item

Index

Molecular Formula

C6H8O6

Molecular weight

176.12

Specification

USP/CP/EP

Appearance

white to slightly yellow

Density

1.65 g/cm3

Melting point

190-194 °C (dec.)

Specific rotation

20.5 º (C=10,H2O)

Refractive index

21 ° (C=10, H2O)

Solubility( in water),at 20 ºC

333 g/l

 

Vitamin C or L-ascorbic acid, or simply ascorbate (the anion of ascorbic acid), is an essential nutrient for humans and certain other animal species. Vitamin C refers to a number of vitamers that have vitamin C activity in animals, including ascorbic acid and its salts, and some oxidized forms of the molecule like dehydroascorbic acid. Ascorbate and ascorbic acid are both naturally present in the body when either of these is introduced into cells, since the forms interconvert according to pH.

Vitamin C is a cofactor in at least eight enzymatic reactions, including several collagen synthesis reactions that, when dysfunctional, cause the most severe symptoms of scurvy. In animals, these reactions are especially important in wound-healing and in preventing bleeding from capillaries. Ascorbate may also act as an antioxidant against oxidative stress. However, the fact that the enantiomer D-ascorbate (not found in nature) has identical antioxidant activity to L-ascorbate, yet far less vitamin activity, underscores the fact that most of the function of L-ascorbate as a vitamin relies not on its antioxidant properties, but upon enzymic reactions that are stereospecific. "Ascorbate" without the letter for the enantiomeric form is always presumed to be the chemical L-ascorbate.

Ascorbate (the anion of ascorbic acid) is required for a range of essential metabolic reactions in all animals and plants. It is made internally by almost all organisms; the main exceptions are most bats, all guinea pigs, capybaras, and the Anthropoidea (i.e., Haplorrhini, one of the two majorprimate suborders, consisting of tarsiers, monkeys, and humans and other apes). Ascorbate is also not synthesized by some species of birds and fish. All species that do not synthesize ascorbate require it in the diet. Deficiency in this vitamin causes the disease scurvy in humans.

Ascorbic acid is also widely used as a food additive, to prevent oxidation.


Appearance: white to light yellow powder

Packing: 25KG drum


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MOSINTER GROUP LIMITED
Guangbo Center Office 2001, YinXianDaDao 1357, Ningbo, Zhejiang, China (Mainland) / 315100
Fax: +86-574-89212215
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