China 99.5% Raw Powder Melatonine(73-31-4) for Improving Sleep Manufacturers & Suppliers

Product Description

"Control the standard by the details, show the toughness by quality". Our firm has strived to establish a highly efficient and stable workers workforce and explored an effective high-quality management system for Factory Cheap China 99.5% Raw Powder Melatonine Melatonin (73-31-4) for Improving Sleep and Whitening Factory Supply Directly, Our goods are widely used in many industrial fields. Our Corporation Services Division in good faith for that purpose of the quality of survival. All for customer company. Factory Cheap China Melatonine, Melatonin, We supply OEM services and replacement parts to meet the varying needs of our customers. We give competitive price for quality products and solutions and we are going to make certain your shipment is handled quickly by our logistics department. We sincerely hope to have the opportunity to meet with you and see how we can help you further your own business.

China H&Z® Melatonin Factory

MELATONIN CAS:73-31-4

Melatonine Chemical Properties

MF:C13H16N2O2

MW:232.28

Melting point:116.5-118°C(lit.)

Boiling point:374.44°C (rough estimate)

Density:1.1099 (rough estimate)

solubility :Soluble in ethanol to at least 50mg/ml

MelatonineSpecification:

Items		Standards	Result
Identification		IR	Conform
		UV	Conform
		HPLC	Conform
Chloride and sulfate		≤0.02%	＜0.02%
Loss on drying		≤1.0%	0.06%
Residue on Ignition		≤0.1%	0.04%
Heavy metal	Pb	≤1ppm	＜1ppm
	As	≤1.5ppm	＜1.5ppm
	Hg	≤1.5ppm	＜1.5ppm
	Cd	≤0.5ppm	＜0.5ppm
Impurity	Individual impurity	≤0.1%	0.041%
Impurity	Total impurity	≤1.0%	0.17%
Assay(On the dried basis)		98.5%-101.5%	99.5%
Solubility		Slightly soluble in water,soluble in acetone,ethyl acetate,and methanol.	Conform
Appearance		White to off-white crystal powder.	White crystal powder.
Conclusion		Conforms withUSP42.