FOOD ADDITIVES
Food AdditivesFOOD ADDITIVES
磷酸二氢钠(MSP)
Monosodium Phosphate
化学式:NaH2PO4·XH2O(X is 0,2)
Chemical formula:NaH2PO4·XH2O(X is 0,2)
CAS号 CAS Number:7558-80-7(n=0);13472-35-0(n=2)
执行标准:HG/2767-2009(工业级);GB 25564-2010(食品级)
Stand executed:HG/2767-2009(Tech grade);GB 25564-2010(Food grade)
性状:无水磷酸二氢钠为白色粉末,熔点为190℃;二水物为白色粒状晶体,相对密度1.915,熔点57.40℃;均易溶于水,不溶于有机溶剂,在空气中易吸潮。
Property:NaH2PO4is white powder, melting point is 190℃. NaH2PO4·2H2O is colorless crystals, and its density is 1.915, melting point is 57.40℃. All soluble in water easily, but not in organic solvent.
技术指标:Technical Specifications:
序号 No. |
指标名称 Specifications
|
无水物 NaH2PO4 |
二水物 NaH2PO4.2H2O |
||
工业级 Tech Grade |
食品级 Food Grade |
工业级 Tech Grade |
食品级 Food Grade |
||
1 |
主含量 (Main Contents) % ≥
|
98.0 |
98.0 |
98.0
|
98.0
|
2 |
硫酸盐 Sulphate,asSO4% % ≤ |
0.5 |
- |
0.5 |
- |
3 |
PH值(1%水溶液) PH of 1% solution |
4.2-4.6 |
4.1-4.7 |
4.2-4.6 |
4.1-4.7 |
4 |
水不溶物 water insoluble % ≤ |
0.2 |
0.2 |
0.1 |
0.2 |
5 |
重金属 Heavy metal % ≤ |
0.05 |
0.001 |
0.05 |
0.001 |
6
|
砷 Arsenic, as AS % ≤ |
0.01 |
0.0003 |
0.01 |
0.0003 |
7
|
氟化物 Fluoride,as F % ≤ |
0.05 |
0.005 |
0.05 |
0.005 |
8 |
氯化物 Chlorides,as CIˉ %≤ |
0.4 |
- |
0.4 |
- |
9 |
干燥减量 Dry reduction %≤ |
2.0 |
2.0 |
- |
20-25 |
用途:生物保鲜、电镀磷化,在食品和饲料工业中作缓冲剂、乳化剂、营养剂等。
Uses:used in boiler water treatment, electroplating, to produce sodium hexametaphosphate, detergent, metal cleaning agent, precipitant of dyes and pigment
包装:内塑外编,每袋净重25 Kg、 50Kg 、1000Kg,贮于通风干燥处。
Packing:Plastic woven bag. Net weight 25 Kg、 50Kg 、1000Kg , store at a cool, dry and well ventilated place.
上一篇: Trisodium Phosphate
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