Ascorbic Acid NEW

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