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24H服務熱線:
139-1273-4915

磷酸氫二鈉

  • 2022-07-01
  • 人關注

化 學 名:

磷酸氫二鈉

英文名稱:

Disodium Phosphate

分 子 式:

Na2HPO4,Na2HPO4·2H2O,Na2HPO4·12H2O

分 子 量:

無水物:141.96;二水物:177.99;十二水物:358.14

CAS NO

無水物:7558-79-4;二水物:10028-24-7;十二水物:10039-32-4

性  能:

白色或無色斜方晶體或單斜晶系結晶,易溶于水,不溶于乙醇,相對密度為1.52,熔點34.6℃,180℃時失去結晶水成無水物。

用  途:

用作軟水劑、織物增重劑、防火劑,并用于釉藥、焊藥、醫藥、顏料、食品工業及制取其他磷酸鹽 用作工業水質處理劑、印染洗滌劑、品質改良劑、中和劑、抗生素培養劑、生化處理劑 食品品質改良劑。

包  裝:

內襯聚乙烯塑料袋.外套復合塑料編織袋,每袋凈重25千克。

貯存與運輸:

本品應密封貯存于干燥通風的倉庫中,防止受潮、受熱,與有害有毒物品隔離堆放。運輸裝卸時應輕裝輕放。防止包裝破損。

質量指標

國家指定標準

含量Na2HPO4(以干基計),w/%   ≥

98.0

(As),mg/kg   ≤

3

重金屬(Pb),mg/kg   ≤

10

(Pb),mg/kg   ≤

4

氟化物(F),mg/kg   ≤

50

水不溶物,w/%   ≤

0.2

Na2HPO4  ≤

5.0

Na2HPO4·2H2O

18.0~22.0

Na2HPO4·12H2O  ≤

61.0


聯系人:王經理

電話:139-1273-4915(微信同號)

地址:蘇州市桃源鎮勝云路416號

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