Properties
Melting point: 116.5-118 °C (lit.)
Boiling point: 374.44°C (rough estimate)
Density: 1.1099 (rough estimate)
Refractive index: 1.6450 (estimate)
Flash point: 9°C
Storage conditions: -20°C
Solubility: Soluble in ethanol to at least 50mg/ml
Acidity coefficient (pKa): 16.26±0.46 (Predicted)
Form: Powder
Color: White to off-white
Biological source: Synthetic (organic)
Merck: 14,5816
Specific Activity: 53-71 nmol/min·mg
BRN: 205542
InChIKey: DRLFMBDRBRZALE-UHFFFAOYSA-N
LogP: 1.043 (est)
CAS Database: 73-31-4 (CAS DataBase Reference)
NIST Chemical Substance Information: Melatonin (73-31-4)
Safety Information
Hazard Symbols (GHS): GHS02, GHS06, GHS08
Warning Words: Danger
Hazard Statements: H225, H301+H311+H331, H370
Precautionary Statements: P210, P260, P280, P301+P310, P311
Hazardous Substances Mark: T, F
Hazard Classification Codes: 60, 39/23/24/25, 23/24/25, 11
Safety Instructions: 24/25, 99, 53, 45, 36/37, 16, 7
Hazardous Goods Transport Number: UN1230 - Class 3 - PG 2 - Methanol, solution
WGK Germany: 2
RTECS Number: AC5955000
F: 8-10-23
Customs Code: 29379000
Toxicity Data: 73-31-4 (Hazardous Substances Data)
Toxicity: LD50 orally in Rabbit: > 3200 mg/kg
China
