Skip to Content
Merck
CN

21244

Calcium sulfate dihydrate

BioUltra, ≥99.0% (KT)

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
CaSO4 · 2H2O
CAS Number:
Molecular Weight:
172.17
EC Number:
231-900-3
UNSPSC Code:
12352200
MDL number:
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist


product line

BioUltra

assay

≥99.0% (KT)

impurities

insoluble matter, passes filter test

pH

5.0-7.5 (25 °C, 0.01 M in H2O)

solubility

H2O: 0.01 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg

cation traces

As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤50 mg/kg, K: ≤100 mg/kg, Li: ≤5 mg/kg, Mg: ≤200 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤100 mg/kg, Ni: ≤5 mg/kg, Pb: ≤20 mg/kg, Sr: ≤200 mg/kg, Zn: ≤5 mg/kg

λ

0.01 M in H2O

UV absorption

λ: 260 nm Amax: 0.015, λ: 280 nm Amax: 0.010

SMILES string

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 key

PASHVRUKOFIRIK-UHFFFAOYSA-L



Still not finding the right product?

Explore all of our products under Calcium sulfate dihydrate


Regulatory Information

新产品

This item has



Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library