sodium sulfide 1.MOQ is 1MT 2.yellow or red flakes 3.10ppm, 20ppm,30ppm,80ppm,150ppm,1500ppm 4.100% gurantee

sodium sulfide

yellow or red flakes 10ppm,20ppm,30ppm,80ppm,150ppm,1500ppm

Molecular formula:Na2S

HS CODE:2830101000

Class No.:8

UN NO.:1849

Property:Thin flakes,yellow or red,soluble in water,presenting strong alkaline solution,easily oxidized when exposed to air,poison.

Packing:in 25kg plastic woven bags,or 900kg jumbo bags

Usage:used as making sulphur dyestuff intermediate reducer,mordant,flotation agent,depilatory for leather,digestion auxiliary in paper-making also widely used in pigment and rubber industry,etc.

Specification

ITEM	STANDARD I	STANDARD I	STANDARD II	STANDARD III	STANDARD IV	STANDARD V
Fe	10ppm max	20ppm max	30ppm max	80ppm max	150ppm max	1500ppm max
Na2S	60%min.	60%min.	60%min.	60%min.	60%min.	60%min.
Water insolubles	0.03%max	0.10%max.	0.18%max.	0.20%max.	0.30%max.	0.40%max.
Na2CO3	1.80%max	1.80%max.	1.80%max.	2.00%max.	3.00%max.	5.00%max.
Na2SO3	1.00%max	1.80%max.	1.80%max.	2.00%max.	2.00%max.	2.00%max.
Na2S2O3	2.00%max	2.00%max.	2.00%max.	2.00%max.	2.00%max.	2.00%max.
Colour	Yellow					RED

na2s good quality sodium sulfide