Ascorbic Acid CAS NO.50-81-7

Ascorbic Acid Basic information
Product Name:    Ascorbic Acid
Synonyms:    3-Keto-L-gulofuranolactone;3-Oxo-L-gulofuranolactone;3-oxo-l-gulofuranolactone(enolform);Adenex;Allercorb;Antiscorbic vitamin;antiscorbicvitamin;Antiscorbutic vitamin
CAS:    50-81-7
MF:    C6H8O6
MW:    176.12
EINECS:    200-066-2
Product Categories:    Inhibitors;Food Additives，Medicine;Antioxidant;Biochemistry;Nutritional Supplements;Vitamin Ingredients;Sugar Acids;Sugars;Vitamins;Carbohydrates & Derivatives;Intermediates & Fine Chemicals;Isotope Labelled Compounds;Used in medicine and Food Additives;vitamin;PHARMACEUTICALS;Food and Feed Additive;Acid;Vitamins and Derivatives;bc0001;50-81-7
Mol File:    50-81-7.mol

Ascorbic Acid Chemical Properties
Melting point     190-194 °C (dec.)
alpha     20.5 º (c=10,H2O)
Boiling point     227.71°C (rough estimate)
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
pka    4.04, 11.7(at 25℃)
color     white to slightly yellow
PH    3.59(1 mM solution);3.04(10 mM solution);2.53(100 mM solution);
Odor    Odorless
PH Range    1 - 2.5
optical activity    [α]25/D 19.0 to 23.0°, c = 10% in H2O
Odor Type    green
Water Solubility     333 g/L (20 ºC)
Merck     14,830
BRN     84272
BCS Class    1
Stability:    Stable. May be weakly light or air sensitive. Incompatible with oxidizing agents, alkalies, iron, copper.
InChIKey    CIWBSHSKHKDKBQ-JLAZNSOCSA-N
LogP    -1.85
CAS DataBase Reference    50-81-7(CAS DataBase Reference)
NIST Chemistry Reference    L-Ascorbic acid(50-81-7)
EPA Substance Registry System    Ascorbic acid (50-81-7)
Safety Information
Hazard Codes     
Risk Statements     
Safety Statements     24/25-36-26
WGK Germany     1
RTECS     CI7650000
TSCA     Yes
HS Code     29362700
Hazardous Substances Data    50-81-7(Hazardous Substances Data)
Toxicity    LD50 oral in rat: 11900mg/kg