MDL：
--MFCD00003496

Molecular Formula：
Na2HPO4

Molecular Weight：
141.96

Alias：
磷酸二鈉(無(wú)水),磷酸二鈉,二鹽基性磷酸鈉 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	分子生物學(xué)級(jí)，≥99.5% (T)	250g	RMB 605	Consulting service
Sodium phosphate dibasic	分子生物學(xué)級(jí)，≥99.5% (T)	1kg	RMB 1716	Consulting service
Sodium phosphate dibasic	電泳級(jí), ≥99%	500g	RMB 539	Consulting service
Sodium phosphate dibasic	細(xì)胞或昆蟲細(xì)胞培養(yǎng), ≥99%	5kg	RMB 2145	Consulting service
Sodium phosphate dibasic	細(xì)胞或昆蟲細(xì)胞培養(yǎng), ≥99%	100g	RMB 214.5	Consulting service
Sodium phosphate dibasic	細(xì)胞或昆蟲細(xì)胞培養(yǎng), ≥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：
白色結(jié)晶性粉末。易吸濕。久置空氣中能吸收2-7分子結(jié)晶水，熱至300℃分解成焦磷酸鈉。溶于約8份水，溶于熱水，不溶于乙醇，1%水溶液在25℃時(shí)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
項(xiàng)目Item                               分析純　  化學(xué)純
                                        (AR)      (CP)
水溶液反應(yīng)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
硫酸鹽(SO4)Sulfate,%　                ≤0.01      0.02  
硝酸鹽(NO3)Nitrate,%                  ≤0.0003    0.001  
鐵(Fe)Iron,%                          ≤0.002     0.004
砷(As)Arsenic,%                       ≤0.002     0.004
重金屬(以Pb計(jì))Heavy metals,%          ≤0.001     0.002

基準(zhǔn)試劑PT
純度Assay: 　　99.95-100.05%

Storage：
密封保存。
用途  分析試劑, 緩沖劑, 軟化劑, 印染業(yè)防火劑, 織物增重劑。