CAS:13870-29-6
Molecular Formula:Na2O7S2
Molecular Weight:222.11
EINECS:237-625-5
Synonyms:disodium disulphate; SODIUM PYROSULFATE; SODIUM DISULFATE; Disulfuricacid,disodiumsalt; Sodiumpyrosulphate; SodiuM anhydrosulfate; Disodium disulfate; Disulfuric acid, sodiumsalt (1:2)
What is Sodium pyrosulfate CAS 13870-29-6？
Sodium pyrosulfate is a white translucent crystal that is highly deliquescent and decomposes into smoke in humid air. Fluorescence occurs when exposed to ultraviolet radiation. Melting point 400.9 ℃, relative density 2.65825. Dissolve in water to form NaHSO4, soluble in fuming sulfuric acid, insoluble in ethanol. Decompose into Na2SO4 and SO3 at 460 ℃
Specification
| Item | Specification |
| Purity | 96% |
| Density | 2.67 |
| Melting point | 396 °C |
| MF | Na2O7S2 |
| MW | 222.11 |
| EINECS | 237-625-5 |
Application
Sodium pyrosulfate: obtained by heating sodium bisulfate or by heating sodium sulfate with SO3, mainly used as an acidic melting agent to melt ore.
Packaging
Usually packed in 25kg/drum,and also can be do customized package.
Synonyms
disodium disulphate; SODIUM PYROSULFATE; SODIUM DISULFATE; Disulfuricacid,disodiumsalt; Sodiumpyrosulphate; SodiuM anhydrosulfate; Disodium disulfate; Disulfuric acid
