磷酸二氫鉀 MONOPOTASSIUM PHOSPHATE
一、化學名: 磷酸二氫鉀
二、分子式: KH2PO4
三、分子量: 136.09
四、CAS: 7778-77-0
五、性能: 無色正方晶系結晶或白色顆粒或結晶性粉末,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,外套復合塑料編織袋包裝,每袋凈重25千克。
8、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。
質量指標 |
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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