国产精品国产片在线观看蜜臀日韩一区二区在线_国模精品一区二区三区_国产2345在线亚洲精品_久久99国产精品二区不卡_欧美vs日韩vs国产在线观看_久久精品成人亚洲综合日韩
SZSE：002741
Chemical Reagents
Sodium sulfide nonahydrateCOA Report
  • CAS No.： 1313-84-4
  • Molecular weight：78.04
  • Aliases：Sodium sulfide
  • Molecular formula：Na2S
  • UN Code：1849
Information
Specification category：
Product No. Product name Specifications
1.01305.038 Sodium sulfide nonahydrate CP25kg
Characteristic： Appearance and properties: colorless or beige granular crystal, industrial products are red-brown or brick red blocks.
Relative density: 1.86
Melting point(℃): 1180
Concentration: assay: industrial grade first level ≥ 60.0%.
Solubility: easily soluble in water, insoluble in diethyl ether, slightly soluble in ethanol.
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
国产精品国产片在线观看蜜臀日韩一区二区在线_国模精品一区二区三区_国产2345在线亚洲精品_久久99国产精品二区不卡_欧美vs日韩vs国产在线观看_久久精品成人亚洲综合日韩