一、化学名:磷酸二氢钾
二、分子式:KH2PO4
三、分子量:136.09
四、CAS: 7778-77-0
五、性能:无色正方晶系结晶或白色颗粒或结晶性粉末,无臭,在空气中稳定。相对密度为2.338,熔点96℃至253℃。
六、用途:在食品工业中作缓冲剂、螯合剂、酵母食料、调味剂、营养强化剂、发酵助剂、膨松剂等。
七、包装:内衬聚乙烯塑料袋,外套复合塑料编织袋包装,每袋净重25千克。
8、贮存与运输:
本品应贮存在干燥通风清洁的库房中,装载运输时要轻装轻放,防止包装破损,防止受潮、受热,运输过程中防止雨淋受潮,应与有毒物品隔离。
质量指标 | Specification | GB25560-2010 | FCC
V |
含量(干基计),w% ≥ | Content(dry
basis) | 98.0 | 98.0 |
砷(As),mg/Kg ≤ | Arsenic | 3 | 3 |
氟化物(以F计),mg/Kg
≤ | Fluorides | 10 | 10 |
重金属(以Pb计)mg/Kg
≤ | Heavy
metals | 10 | ---------- |
水不溶物,w%
≤ | Water
Insolubles | 0.2 | 0.2 |
铅(Pb),mg/Kg
≤ | Lead | 2 | 2 |
干燥失重,w%
≤ | Loss
on drying | 1.0 | 1.0 |
pH值,(10g/L
溶液) | pH
Value | 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.