科信化工-工業(yè)級乙酸鉀-高含量99%-乙酸鉀生產(chǎn)
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乙酸鉀 POTASSIUM ACETATE
一、化學名:乙酸鉀
二、分子式:C2H3KO2
三、分子量:98.14
四、CAS:127-08-2
五、性狀:白色結(jié)晶性粉末,易潮解,有咸味。1mol/l水溶液pH值為7.0-9.0。相對密度(d425)1.570, 熔點292℃, 極易溶于水(235g/100mL, 20℃; 492g/100mL, 62℃)、乙醇(33g/100mL)和甲醇(24.24g/100mL, 15℃),不溶于乙醚。
六、用途:緩沖劑、中和劑、防腐劑、護色劑(動植物天然色保護劑)。
七、包裝:內(nèi)襯聚乙烯塑料袋,外套復合塑料編織袋包裝,每袋凈重25kg。
八、貯存與運輸:本品應貯存在干燥通風清潔的庫房中,裝載運輸時要輕裝輕放,防止包裝破損,防止受潮、受熱,運輸過程中防止雨淋受潮,應與有毒物品隔離。
質(zhì)量指標 | Specification | FAO/WHO,1992 |
含量(以干基計)w/% ≥ | Content(As Dry Basis)w/% ≥ | 99.0 |
干燥失重(150℃,2h) w/% ≤ | Loss On Drying(150℃,2h) w/% ≤ | 8.0 |
堿度 | 正常(Normal) | |
砷(GT-3) w/% ≤ | Arsenic w/% ≤ | 0.0003 |
鈉化合物 | Sodium Compound | 正常(Normal) |
Lead (GT-18) w/% ≤ | 0.001 | |
重金屬(以Pb計;GT-16)w/% ≤ | Heavy Metals(As Pb) w/% ≤ | 0.002 |
1、Chemical Name: Potassium Acetate
2、Molecular Formula : C2H3KO2
3、Molecular Weight: 98.14
4、CAS: 127-08-2
5、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.
6、Usage: It is used as buffering agent, neutralizer, preservative and color fixative to
protect natural colors of animals and plants.
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.