PRODUCT SPECIFICATIONS

IPI PRODUCT SPECIFICATION

SODIUM AZIDE (Pharmaceutical Grade, without Silica)

Chemical formula: NaN₃
CAS no: 26628-22-8
UN no: 1687

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IPI Specification No: 10284

SODIUM AZIDE (Pharmaceutical Grade, without Silica)

Properties	Units	Values
		Min	Max
Appearance	White Crystalline Powder with Tendency to Cake
Purity	Weight, %	99.50	–
Loss on Drying	Weight, %	–	0.10
Insolubles in Water	ppm	–	500
Alkalinity (as NaOH)	ppm	–	1000
Chloride Content (as NaCl)	ppm	–	50
Nitrate Content (as NaNO3)	ppm	–	50
Sulfate Content (as Na2SO4)	ppm	–	50
Iron (as Fe)	ppm	–	50
Heavy Metals (as Cu, Pb, Hg, Cd)	ppm	–	25
pH (5% w/w aqueous solution)		9	–
Particle Size Distribution (by sieve analysis):
>630 microns	%	–		3
100-630 microns	%	95		–
Less than 100 microns	%	–		2

Island Pyrochemical Industries provides this product specification sheet solely for informational purposes, and reserves the right to change product specifications without prior notification.