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l-ascorbic-acid-extrapure-ar(54 products available)
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Ascorbic Acid

  • CAS:50-81-7
  • MF:C6H8O6
  • MW:176.12
  • EINECS:200-066-2
Melting point::
190-194 °C (dec.)
Boiling point::
227.71°C (rough estimate)
alpha :
20.5 º (c=10,H2O)
Density :
1,65 g/cm3
refractive index :
21 ° (C=10, H2O)
FEMA :
2109 | ASCORBIC ACID
storage temp. :
Store at +5°C to +30°C.
solubility :
H2O: 50 mg/mL at 20 °C, clear, nearly colorless
form :
powder
appearance:
white to pale yellow crystals or powder
pka:
4.04, 11.7(at 25℃)
color :
white to slightly yellow
Odor:
Odorless
PH:
3.59(1 mM solution);3.04(10 mM solution);2.53(100 mM solution);
PH Range:
1 - 2.5
optical activity:
[α]25/D 19.0 to 23.0°, c = 10% in H2O
Water Solubility :
333 g/L (20 ºC)
Merck :
14,830
BRN :
84272
Stability::
Stable. May be weakly light or air sensitive. Incompatible with oxidizing agents, alkalies, iron, copper.
InChIKey:
CIWBSHSKHKDKBQ-JLAZNSOCSA-N
Symbol(GHS) 

GHS02,GHS07
Signal word 
Warning
Hazard statements 
H226-H319
Precautionary statements 
P210-P305+P351+P338-P370+P378
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L-Ascorbic acid   50-81-7

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