Ascorbic acid

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Ascorbic acid
aka Vitamin C
Chemical formula C6H8O6
OTP appearance white solid 
Molar Mass(g/mol) 176.12 
Density(g/cc) 1.65 
Melting Point(°C) 190 
Solubility in water(g/L) 330 
Solubility in ethanol(g/L) 20 
Solubility in ether(g/L) soluble
NFPA 704
NFPA704.png
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Uses

Primary

  • Pharm: WHO LEM Vitamin

Natural occurrence

Hazards

Production

Extraction

Synthesis

Similar to the process for citric acid: combine the calcium salt of ascorbic acid with sulfuric acid.

  1. Combine sulfuric acid and calcium ascorbate giving ascorbic acid and precipiting calcium sulfate
    H2SO4 + Ca(C6H7O6)2 CaSO4(s) + 2 C6H8O6

Purification

Testing

Storage

Disposal

See Also

References