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Acetate sodium
Ainm Ceimigeach:Acetate sodium
Foirmle Molecular: C2H3NaO2;c2H3NaO2·3h2O
Cuideam moileciuil:Anhydrous: 82.03;Trihydrate: 136.08
CAS: Anhydrous: 127-09-3;Trihydrate: 6131-90-4
Caractar: Anhydrous: Is e pùdar no bloc garbh criostalach geal a th’ ann.Tha e gun bholadh, blasad beagan fìon-dhearcan.Is e dùmhlachd coimeasach 1.528.Tha puing leaghaidh 324 ℃.Tha comas sùghaidh taiseachd làidir.Faodar sampall 1g a sgaoileadh ann an 2mL uisge.
Trihydrate: Is e criostal follaiseach gun dath no pùdar geal criostalach a th’ ann.Is e dùmhlachd coimeasach 1.45.Ann an èadhar blàth is tioram, gheibh e aimsir gu furasta.Dh’ fhaodadh sampall 1g a bhith air a sgaoileadh ann an timcheall air 0.8mL uisge no 19mL ethanol.
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Potassium Acetate
Ainm Ceimigeach:Potassium Acetate
Foirmle Molecular: C2H3KO2
Cuideam moileciuil:98.14
CAS: 127-08-2
Caractar: Is e pùdar geal criostalach a th’ ann.Tha e furasta blasad fhaighinn agus blasad saillte.Is e luach PH de fhuasgladh uisgeach 1mol / L 7.0-9.0.dùmhlachd coimeasach (d425) tha 1.570 ann.Tha puing leaghaidh 292 ℃.Tha e gu math solubhail ann an uisge (235g / 100mL, 20 ℃; 492g / 100mL, 62 ℃), ethanol (33g / 100mL) agus methanol (24.24g / 100mL, 15 ℃), ach insoluble ann an ether.
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Diacetate potasium
Ainm Ceimigeach:Diacetate potasium
Foirmle Molecular: C4H7KO4
Cuideam moileciuil: 157.09
CAS:127-08-2
Caractar: Pùdar criostalach gun dath no geal, alcaileach, blasta, solubhail ann an uisge, methanol, ethanol agus ammonia leaghan, do-ruigsinneach ann an ether agus acetone.
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Diacetate sodium
Ainm Ceimigeach:Diacetate sodium
Foirmle Molecular: C4H7NaO4
Cuideam moileciuil:142.09
CAS:126-96-5
Caractar: Is e pùdar geal criostalach a th’ ann le fàileadh searbhag acetic, tha e hygroscopach agus furasta soluble ann an uisge.Tha e decomposes aig 150 ℃
