Naproxen

Min.Order / FOB Price:Get Latest Price

1 Metric Ton	FOB Price: USD 1.0000

1 Metric Ton

FOB Price: USD 1.0000

Min.Order :1 Metric Ton
Purity: 99%min
Payment Terms : L/C,T/T

Keywords

22204-53-1 Naproxen Naproxene

Quick Details

Appearance:White powder
Application:pharmaceutical
PackAge:drum
ProductionCapacity:1000|Metric Ton|Year
Storage:Store in cool and dry place, away from sun light.
Transportation:By sea or by air

Superiority:

Name: Naproxen

Formula: C14H14O3

Molecular Weight: 230.26

Synonyms: 2-Naphthaleneacetic acid, 6-methoxy-α-methyl-, (S)-;Naprontag;(2S)-2-(6-methoxynaphthalen-2-yl)propanoic acid;Nafasol;Proxen LE;(+)-2-(Methoxy-2-naphthyl)-propionic acid;Artrixen;Tohexen;Rahsen;(S)-6-Methoxy-.alpha.-methyl-2-naphthaleneacetic acid;(S)-(+)-Naproxen;(S)-2-(6-Methoxy-2-naphthyl)propionic acid;(+)-2-(Methoxy-2-naphthyl)-propionic acid; EINECS: 244-838-7

Density: 1.197 g/cm3

Melting Point: 152-154 °C(lit.)

Boiling Point:403.888 °C at 760 mmHg

Flash Point: 154.529 °C

Details:

Item		Specifications	Results
Appearance		White to almost white crystalline powder	Almost white crystalline
Identification	A. Infrared absorption	The infrared absorption spectrum is concordant with the reference spectrum	Conform
Identification	B. Ultraviolet Absorption	Absorptivities at 272nm, calculated on the dried base, do not differ by more than 3%	<1%
Specific rotation		-17.0°to -15.3°	-16.7°
Loss on drying		≤1.0%	0.2%
Heavy metals		≤0.002%	<0.002%
Free Naproxen		≤1.0%	0.1%
Related substances (HPLC)	Impurity D(in-house)	≤0.10%	<0.01%
	Impurity E(in-house, Impurity C in EP)	≤0.10%	<0.01%
	Any other impurity	≤0.10%	<0.01%
	Total impurities	≤0.5%	<0.01%
Residual Solvents	Toluene	≤50ppm	<1ppm
	Methanol	≤50ppm	<12ppm
	Ethanol	≤100ppm	<8ppm
[Assay] (On the dried basis) It contains C14H13NaO3	98.5% to 101.5%		99.7%
Conclusion	The results conforms with USP35 standards