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Ammonium Acetate
Chemical Name: Ammonium Acetate
Molecular Formula:CH3COONH4
Molecular Weight:77.08
CAS: 631-61-8
Character: It occurs as white triangular crystal with acetic acid smell. It’s soluble in water and ethanol, insoluble in acetone.
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Calcium Acetate
Chemical Name: Calcium Acetate
Molecular Formula: C6H10CaO4
Molecular Weight: 186.22
CAS: 4075-81-4
Properties: White crystalline particle or crystalline powder, with slightly propionic acid odor. Stable to heat and light, easily soluble in water.
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Sodium Acetate
Chemical Name: Sodium Acetate
Molecular Formula: C2H3NaO2 ; C2H3NaO2·3H2O
Molecular Weight: Anhydrous: 82.03 ; Trihydrate:136.08
CAS: Anhydrous:127-09-3; Trihydrate: 6131-90-4
Character: Anhydrous: It is white crystalline coarse powder or block. It’s odorless, tastes a bit of vinegary. Relative density is 1.528. Melting point is 324℃. Capacity of moisture absorption is strong. 1g sample could be dissolved in 2mL water.
Trihydrate:It is colorless transparent crystal or white crystalline powder. Relative density is 1.45. In warm and dry air, it’ll easily get weathered. 1g sample could be dissolved in about 0.8mL water or 19mL ethanol.
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Potassium Acetate
Chemical Name: Potassium Acetate
Molecular Formula: C2H3KO2
Molecular Weight: 98.14
CAS: 127-08-2
Character: It is white crystalline powder. It’s easily deliquescent and tastes salty. PH value of 1mol/L aqueous solution is 7.0-9.0. Relative density(d425)is 1.570. Melting point is 292℃. It’s highly soluble in water (235g/100mL, 20℃; 492g/100mL, 62℃), ethanol (33g/100mL) and methanol (24.24g/100mL, 15℃), but insoluble in ether.
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Potassium Diacetate
Chemical Name: Potassium Diacetate
Molecular Formula: C4H7KO4
Molecular Weight: 157.09
CAS:127-08-2
Character: Colorless or white crystalline powder, alkaline, deliquescent, soluble in water, methanol, ethanol and liquid ammonia, insoluble in ether and acetone.
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Sodium Diacetate
Chemical Name: Sodium Diacetate
Molecular Formula: C4H7NaO4
Molecular Weight: 142.09
CAS: 126-96-5
Character: It’s white crystalline powder with acetic acid odor, it’s hygroscopic and easily soluble in water. It decomposes at 150 ℃
