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一、化學(xué)名： 磷酸氫二鉀

二,、分子式： K₂HPO₄,，K₂HPO₄· 3H₂O

三,、分子量： 無水物：174.18,；三水物：228.18

四,、CAS:  無水物：7758-11-4；三水物：16788-57-1

五,、性能：無色或白色正方晶體粉末或顆粒，易潮解,，呈堿性,，不溶于乙醇,，1﹪水溶液的PH值約為9,。

六、用途： 在食品工業(yè)中作緩沖劑,、螯合劑,、酵母食料、乳化鹽,、抗氧化增效劑,。

七、包裝： 內(nèi)襯聚乙烯塑料袋,，外套復(fù)合塑料編織袋包裝,，每袋凈重25千克。

八,、貯存與運輸： 本品應(yīng)貯存在干燥通風(fēng)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(yīng)與有毒物品隔離,。

 

質(zhì)量指標(biāo)		Specification	GB25561-2010	FCC V
含量(干基計),w%                 ≥		Content（Dry Basis）	98	98
砷（As),mg/Kg                    ≤		Arsenic	3	3
氟化物（以F計）,mg/Kg           ≤		Fluoride	10	10
重金屬（以Pb計),mg/Kg             ≤		Heavy Metals	10	----------
水不溶物, w%                     ≤		Water Insolubles	0.2	0.2
鉛（Pb）,mg/Kg                    ≤		Lead	2	2
干燥失重,w%	無水物     ≤	Loss on drying	2.0	2.0
	三水物		20.0-30.0	20.0-30.0
pH值，（10g/L溶液）		pH Value	9.0±0.4	----------

 

1. Chemical Name:  Dipotassium phosphate

2. Molecular Formula:  K₂HPO₄,，K₂HPO₄· 3H₂O

3. Molecular Weight:  anhydrous: 174.18; trihydrate: 228.18

4. CAS:  anhydrous: 7758-11-4; trihydrate: 16788-57-1

5. Character: It’s colorless or white square crystal granule, easily deliquescent, alkaline, insoluble in ethanol. PH value is about 9 in 1% aqueous solution.

6. Uses:  In food industry, it is used as buffering agent, chelating agent, yeast food, emulsifying salt, synergistic agent of anti-oxidation.

7. Packing:  It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.

8.Storage & Transportation:  It should be stored in a dry and ventilating warehouse. Be cautious to keep away from moisture and hot; unloaded with care, so as to avoid the damage. Furthermore, it should be stored separately from poisonous substances.