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Merck

12056

Sigma-Aldrich

硫酸钙 二水合物

puriss., meets analytical specification of NF, E 516, 99.0-101.0% (based on anhydrous substance)

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About This Item

线性分子式:
CaSO4 · 2H2O
CAS号:
分子量:
172.17
EC號碼:
MDL號碼:
分類程式碼代碼:
12352300
PubChem物質ID:
NACRES:
NA.21

等級

puriss.

化驗

99.0-101.0% (based on anhydrous substance)

形狀

powder

品質

meets analytical specification of NF, E 516

雜質

residual solvents, in accordance
≤0.001% heavy metals (as Pb)

損耗

19.0-23.0% loss on drying, 250 °C

負離子痕跡

chloride (Cl-): ≤100 mg/kg
fluoride (F-): ≤30 mg/kg

正離子痕跡

As: ≤3 mg/kg
Fe: ≤50 mg/kg
Hg: ≤10 mg/kg
Pb: ≤5 mg/kg
Se: ≤30 mg/kg

SMILES 字串

O.O.[Ca++].[O-]S([O-])(=O)=O

InChI

1S/Ca.H2O4S.2H2O/c;1-5(2,3)4;;/h;(H2,1,2,3,4);2*1H2/q+2;;;/p-2

InChI 密鑰

PASHVRUKOFIRIK-UHFFFAOYSA-L

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儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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