1.name: Caustic soda , sodium hydroxide
Molecular formula: NaOH
Molecular weight: 40.00
2. Materialization nature :
Appearance: flake, solid, peals
The purely solid caustic soda is white, there are bulk , granular, the quality is fragile ; The purely liquid caustic soda is the colourless transparent liquid. Dissolve caustic soda in water, it will send out heat and the aqueous solution is alkaline. Corrosivity is extremely strong, have function of corroding on fibre , skin , glass , pottery ,etc..
3. Use: in papermaking industry, soap industry, textile printing and dyeing industry, chemicals industry, , petroleum industry ect.
4.Packing
Flakes or pearls:
25kg plastic bags(3layer pp&pe)
solid:Iron drum, net WT:200kg (High of Drum:90cm)
5. .Specification of Caustic soda :Executive standard: GB209-2006 (NaOH)

	Superior grade product	first-class product	qualified product
Sodium hydroxide( NaOH) %	≥96.0		≥95.0
Sodium carbonate(Na2CO3) ≤	1.2	1.3	1.6
Sodium Chloride(NaCL)≤	2.5	2.7	3.0
Ferric oxide(Fe2O3)≤	0.008	0.01	0.02

	Superior grade product	first-class product	qualified product
Sodium hydroxide( NaOH) %	≥99.0	≥98.5	≥98.0
Sodium carbonate(Na2CO3) ≤	0.5	0.8	1.0
Sodium Chloride(NaCL)≤	0.03	0.05	0.08
Ferric oxide(Fe2O3)≤	0.005	0.008	0.01