歡(huan)迎來到江蘇科倫多食品配料(liao)有限公司官(guan)網(wang)！
咨(zi)詢熱線：
一、化學名：磷酸氫(qing)二(er)鉀
二、分(fen)子式：K2HPO4 ；K2HPO4·3H2O
三、分子(zi)量(liang)：無水(shui)物(wu)：174.178；三水(shui)物(wu)：228.238
四、CAS：無水(shui)物：7758-11-4；三水(shui)物：16788-57-1
五(wu)、性(xing)狀：無色(se)或(huo)白(bai)色(se)正方晶體粉末或(huo)顆粒(li)，易潮解，呈堿性(xing)不溶于乙(yi)醇，1﹪水(shui)溶液的PH值約(yue)為9。具有吸濕性(xing)。
六、用(yong)途：在(zai)食(shi)品工業中作緩沖(chong)劑、螯(ao)合劑、酵母食(shi)料、乳(ru)化(hua)(hua)鹽、抗氧化(hua)(hua)增效劑。
七(qi)、包(bao)裝：內襯聚乙(yi)烯塑料袋，外套復合塑料編織袋包(bao)裝，每袋凈重25kg。
八、貯(zhu)存(cun)與運輸：本(ben)品應(ying)貯(zhu)存(cun)在干燥通(tong)風清(qing)潔的庫房中，裝(zhuang)載運輸時要輕裝(zhuang)輕放，防(fang)(fang)止(zhi)包裝(zhuang)破損(sun)，防(fang)(fang)止(zhi)受(shou)潮、受(shou)熱，運輸過程中防(fang)(fang)止(zhi)雨(yu)淋受(shou)潮，應(ying)與有(you)毒(du)物(wu)品隔離(li)。
| 質量指標 | Specification | GB 1886.334-2021 | FCC VII | ||
| 含量（以干基計），w/% ≥ | Content(On dry basis), w/% ≥ | 98.0 | 98.0 | ||
| 砷（As），mg/kg ≤ | Arsenic(As),mg/kg ≤ | 3.0 | 3.0 | ||
| 氟化物（以F計），mg/kg ≤ | Fluoride(as F),mg/kg ≤ | 10.0 | 10.0 | ||
| 重金屬（以Pb計），mg/kg ≤ | Heavy metal(as Pb),mg/kg ≤ | 10 | ——— | ||
| 水不溶物（以干基計），w/% ≤ | Insoluble substances(On dry basis),w/%≤ | 0.2 | 0.2 | ||
| 鉛（Pb），mg/kg ≤ | Lead (Pb),mg/kg ≤ | 2.0 | 2.0 | ||
| 干燥減量，w/% | K2HPO4 ≤ | Loss on drying,w/% | K2HPO4 ≤ | 2.0 | 2.0 |
| K2HPO4·H2O | Loss on drying,w/% | K2HPO4·H2O | 22.0-26.0 | ——— | |
| pH值（10g/L溶液） | pH value (10g/L Solution ) | 9.0±0.4 | ——— | ||
1、Chemical Name: Dipotassium Phosphate
2、Molecular Formula: K2HPO4 ; K2HPO4· 3H2O
3、Molecular Weight: Anhydrous:174.178 ; Trihydrate:228.238
4、CAS: Anhydrous:7758-11-4 ; Trihydrate:16788-57-1
5、Character: It’s colorless or white square crystal granule or powder, easily deliquescent, alkaline, insoluble in ethanol. PH value is about 9 in 1% aqueous solution.
6、Usage: 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 a polyethylene bag as the inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage & Transportation: 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.