Thiourea (Thiocarbamide)

* 化学名：硫脲（硫代尿素）

(1)Chemical name:Barium Chloride Dyhydrate
(2)Molecular formula & molecular weight:BaCl2.2H2O=244.277
(3)Specification:GB/T1617-2002

Index Name	Index
	Excellence	First Grade	Qualifica_ tion
Purity % ≥	99.00	98.00	97.00
Calcium￡¨Ca) % ≤	0.036	0.090	--
Sodium￡¨Na) % ≤	0.20	--	--
Sulphide￡¨S￡© % ≤	0.003	0.008	--
Iron￡¨Fe) % ≤	0.001	0.003	0.02
Water insoluble matter % ≤	0.05	0.10	0.20

(4)Character:Colourless,flat rhombus crystal,usually with two crystal water.Specific gravity:3.097(24/4¡æ).Dissllving point:962¡æ.Boiling point:1560¡æ poisonous.Wash in water whin getting in on the skin.After poisoning,take sodium sulphate or magnesium sulphate.
(5)Use:As a raw material for producing bariumn salts,such as barium¡￠hydroxide¡￠barium nitrate and barium carbonate etc.Widely used in papermaking¡￠dyestuff¡￠rubber¡￠plastic¡￠ceramics¡￠iol refining and petrochemistry and so on.Also used to heat-treat the metals and remove sulphate in the salt water in chlorine-alkaki industry.
(6)Storage and transportation:Keep dry and prevent damp.
(7)Packing:Packed in polypropylene bag,lined with polyethylene bag,50kgs or 25kgs/bag net.