Sodium phosphate dibasic

MDL：
--MFCD00003496

Molecular Formula：
Na2HPO4

Molecular Weight：
141.96

Alias：
磷酸二钠(无水),磷酸二钠,二盐基性磷酸钠 sec-Sodium phosphate Disodium hydrogen phosphate Disodium phosphate Sodium hydrogenphosphate

Product order：

Name	Specifications	Packing	Price	Delivery
Sodium phosphate dibasic	99.99% metals basis	25g	RMB 93.5	Consulting service
Sodium phosphate dibasic	99.99% metals basis	100g	RMB 322.3	Consulting service
Sodium phosphate dibasic	99.99% metals basis	500g	RMB 1188	Consulting service
Sodium phosphate dibasic	分子生物学级，≥99.5% (T)	250g	RMB 605	Consulting service
Sodium phosphate dibasic	分子生物学级，≥99.5% (T)	1kg	RMB 1716	Consulting service
Sodium phosphate dibasic	电泳级, ≥99%	500g	RMB 539	Consulting service
Sodium phosphate dibasic	细胞或昆虫细胞培养, ≥99%	5kg	RMB 2145	Consulting service
Sodium phosphate dibasic	细胞或昆虫细胞培养, ≥99%	100g	RMB 214.5	Consulting service
Sodium phosphate dibasic	细胞或昆虫细胞培养, ≥99%	500g	RMB 431.2	Consulting service
Sodium phosphate dibasic	PT	50g	RMB 93.5	Consulting service
Sodium phosphate dibasic	AR	500g	RMB 82.5	Consulting service
Sodium phosphate dibasic	CP	500g	RMB 60.5	Consulting service

Character：
白色结晶性粉末。易吸湿。久置空气中能吸收2-7分子结晶水，热至300℃分解成焦磷酸钠。溶于约8份水，溶于热水，不溶于乙醇，1%水溶液在25℃时pHO 9.1。最小致死量(大鼠，腹腔)1000mg/kg。水中溶解度:75 g/L (20°C)。

Quality Standard：
 
   Q/(HG)SJ 497-92
项目Item                               分析纯　  化学纯
                                        (AR)      (CP)
水溶液反应Water solution reaction       合格      合格
干燥失重Drying loss,%                 ≤0.2       0.2
水不溶物Insiluble matter in water,%   ≤0.01      0.02
氯化物(Cl)Chloride,%                  ≤0.001     0.002
硫酸盐(SO4)Sulfate,%　                ≤0.01      0.02  
硝酸盐(NO3)Nitrate,%                  ≤0.0003    0.001  
铁(Fe)Iron,%                          ≤0.002     0.004
砷(As)Arsenic,%                       ≤0.002     0.004
重金属(以Pb计)Heavy metals,%          ≤0.001     0.002

基准试剂PT
纯度Assay: 　　99.95-100.05%

Storage：
密封保存。
用途  分析试剂, 缓冲剂, 软化剂, 印染业防火剂, 织物增重剂。