Naproxen sodium salt, USP grade CAS 26159-34-2

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CAS: 26159-34-2

MF: C₁₄H₁₃NaO₃

MW: 252.24

Physical Description	White to off-white or pale yellow crystalline powder
Identification (IR)	To conform to standard
Identification (UV)	To pass test
Specific Optical Rotation ([α]20/D)	-15.3 - -17.0 ° (c=5, 0.1M NaOH)
Free Naproxen	≤ 1.0%
Chromatographic Purity	Any Individual Impurity: ≤ 0.5%
	Total Impurities: ≤ 2.0%
Loss on Drying	≤ 1.0% (vac., 105°C, 3h)
Assay (Titration)	98.0 - 102.0 % (dried basis)
Pharmacopoeia Specification(s)	USP
Specification Version	1.1

Pictograms
Signal word	Danger
Hazard statements	H302: Harmful if swallowed H360: May damage fertility or the unborn child
Precautionary statements	P301+P312: IF SWALLOWED: call a POISON CENTER/doctor/... IF you feel unwell. P308+P313: IF exposed or concerned: Get medical advice/attention.
Supplementary EUH statements
UN Number	-
WGK	WGK 3
SDS Version	3.0