English name: Ascorbic Acid
CAS number: 50-81-7
Molecular formula: C6H8O6
Molecular weight: 176.12
EINECS number: 200-066-2
MDL No. : MFCD03457784
Stats
Melting point 190-194 °C (dec.)
Specific rotation 20.5 º (c=10,H2O)
Boiling point 227.71°C (rough estimate)
Density 1,65 g/cm3
FEMA2109 | ASCORBIC ACID
Refractive index 21 ° (C=10, H2O)
Storage conditions Store at +5°C to +30°C.
Solubility H2O: 50 mg/mL at 20 °C, clear, nearly colorless
Morphology powder
Acidity coefficient (pKa)4.04, 11.7(at 25℃)
The color is white to slightly yellow
PH 3.59(1 mM solution); 3.04(10 mM solution); 2.53(100 mM solution);
Acid-base indicator discoloration ph range 1-2.5
The Odor was Odorless
Fragrance green
optical activity [α]25/D 19.0 to 23.0°, c = 10% in H2O
Water solubility 333 g/L (20 ºC)
Merck14, 830
BRN84272
BCS Class1
Stable. May be weakly light or air sensitive. Incompatible with oxidizing agents, alkalies, iron, copper.
InChIKeyCIWBSHSKHKDKBQ-JLAZNSOCSA-N
LogP - 1.85 -
Safety information
hazard symbol (GHS)GHS hazard pictogramsGHS hazard pictograms
GHS02,GHS07
Warning word
Hazard Description H226-H319
Precautions P210-P305+P351+P338-P370+P378
Dangerous goods mark
Hazard class code
Safety Note 24/25-36-26
WGK Germany1
RTECS number CI7650000
TSCAYes
Customs Code 29362700
Toxicity LD50 oral in rat: 11900mg/kg
China
