磷酸二氫鉀 MONOPOTASSIUM PHOSPHATE
一、化學(xué)名： 磷酸二氫鉀
二、分子式： KH2PO4
三、分子量： 136.09
四、CAS: 7778-77-0
五、性能： 無色正方晶系結(jié)晶或白色顆?；蚪Y(jié)晶性粉末，無臭，在空氣中穩(wěn)定。相對密度為2.338，熔點96℃至253℃。
六、用途： 在食品工業(yè)中作緩沖劑、螯合劑、酵母食料、調(diào)味劑、營養(yǎng)強化劑、發(fā)酵助劑、膨松劑等。
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。
8、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 |
GB25560-2010 |
FCC V |
|
含量（干基計），w% ≥ |
Content(dry basis) |
98.0 |
98.0 |
|
砷（As）,mg/Kg ≤ |
Arsenic |
3 |
3 |
|
氟化物（以F計）,mg/Kg ≤ |
Fluorides |
10 |
10 |
|
重金屬（以Pb計）mg/Kg ≤ |
Heavy metals |
10 |
---- |
|
水不溶物,w% ≤ |
** Insolubles |
0.2 |
0.2 |
|
鉛（Pb）,mg/Kg ≤ |
Lead |
2 |
2 |
|
干燥失重,w% ≤ |
Loss on drying |
1.0 |
1.0 |
|
PH值,（10g/L） |
PH Value |
4.2-4.7 |
4.2-4.7 |
1. Chemical Name: MONOPOTASSIUM PHOSPHATE
2. Molecular Formula: KH2PO4
3. Molecular Weight: 136.09
4. CAS: 7778-77-0
5. Character: It is colorless square crystal or white granule or crystalline powder, odorless, stabilizing in air. Relative density is 2.338. Melting point is96℃-253℃.
6. Uses: In food industry, it is used as buffering agent, chelating agent, yeast food, flavoring agent, nutrient supplement, fermentation adjunct, swelling agent and so on.
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.
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