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Calcium chloride dihydrate

Product English Name:Calcium chloride dihydrate
HS CODE: 28272000
Molecular Formula:CaCl2
MW:110.98
relative density:  2.15 g/cm3
Melting Point:782℃
Boiling Point: 1600℃
Solubleness: Easily dissolved(Water)/ Easily dissolved(Ethyl Alcohol)
a)Appearance:
white crystal or powder, no stink, slightly bitter, hygroscopicity strong, easy deliquescence in the air, easily soluble in water, release a large amount of heat at the same time, can dissolve in alcohol, acetone, acetic acid, etc.

  1. b)Uses:

1.Widely used as drier,it is the drier for Nitrogen, hydrogen, oxygen, hydrogen chloride, sulfur dioxide and other gases
2.It’s aqueous solution is an important one of the coolest refrigerants
3. Used in the manufacture of metal calcium, barium chloride, calcium salt in chemical industry
4. Used as antifreeze in building industry, To speed up the concrete hardening and increase of building mortar.
5. Also used as fabric fire retardant, harbor of antifogging agent, road dust collecting agent and boiler water treatment agent. Also prevent coal dust. Used to prevent explosive of pulverized coal mine produce, etc. Production of lake pigment precipitation agent, used in waste paper deinking.

C ) Quality Standard

Project

superior
product

Top quality goods

Qualified product

measured value

mass fraction of Calcium chloride % ≥

98

94

90

94.53

The level of magnesium % ≤

1.0

1.5

2.0

1.79

Can not dissolve in water % ≤

0.10

0.20

1.0

0.056

Basicity(based on Ca(OH)2)﹪≤

0.10

0.08

Sulfate( based on CaSO4)%≤

0.10

 

  1. D ) attention

Invasion way : inhalation of dust,eat
Health Hazard:Dust will burn the nose mouth and the throat ,also can cause nasal bleeding;Dry powder may irritate the skin,Solution can severely irritate and burn the skin.
Contact with Skin :takeing off the polluted dress,washing with plenty of water
Contact with eyes: Filed Eyelid ,irrigate with flowing water or normal saline,seek medical advice
Suction:Quickly from the scene to fresh air. keep respiratory tract from impeding。
Ingestion:Drink enough warm water,enetic,seek medical advice.
Medical injection cause hypercalcemia: cardiac arrest.

 

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