Skip to Content
Merck
CN

31221

Sigma-Aldrich

Calcium sulfate dihydrate

puriss. p.a., ACS reagent, ≥99%

Sign Into View Organizational & Contract Pricing

Select a Size

About This Item

Linear Formula:
CaSO4 · 2H2O
CAS Number:
10101-41-4
Molecular Weight:
172.17
EC Number:
231-900-3
MDL number:
MFCD00149625
UNSPSC Code:
12352300
PubChem Substance ID:
57648516

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

grade

ACS reagent
puriss. p.a.

Assay

≥99%

impurities

≤0.002% heavy metals (as Pb)
≤0.02% insoluble in HCl

anion traces

carbonate (CO32-): in accordance
chloride (Cl-): ≤20 mg/kg
chloride (Cl-): ≤50 mg/kg
nitrate (NO3-): ≤50 mg/kg
nitrate (NO3-): in accordance

cation traces

Fe: ≤10 mg/kg
K: ≤50 mg/kg
Mg: ≤200 mg/kg
Na: ≤200 mg/kg
Sr: ≤500 mg/kg

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

Looking for similar products? Visit Product Comparison Guide

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

新产品
This item has

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
SZBC2890
SZBC2890V
SZBA3290V
SZB93430
SZBA3290

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

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

Visit the Document Library

Kathryn A Dooley et al.
The Analyst, 138(17), 4838-4848 (2013-06-27)
In situ chemical imaging techniques are being developed to provide information on the spatial distribution of artists' pigments used in polychrome works of art such as paintings. The new methods include reflectance imaging spectroscopy and X-ray fluorescence mapping. Results from
Massimo Peruffo et al.
Physical chemistry chemical physics : PCCP, 15(6), 1956-1965 (2012-12-22)
Dissolution processes at single crystal surfaces often involve the initial formation and expansion of localized, characteristic (faceted) etch-pits at defects, in an otherwise comparatively unreactive surface. Using natural gypsum single crystal as an example, a simple but powerful morphological analysis
So-Yeun Kim et al.
The International journal of prosthodontics, 26(2), 161-163 (2013-03-12)
The purpose of this investigation was to measure the accuracy of digital impressions (DIs) compared to conventional impressions (CIs). Using the iTero system, a master cast was scanned to produce stereolithography dies. As a control group, silicone impressions were taken
Joon Im et al.
American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics, 145(4), 434-442 (2014-04-08)
The aim of this study was to compare the virtual and manual tooth setups with digital and plaster models in extraction cases by measuring various occlusal parameters and applying the American Board of Orthodontics objective grading system. Linear intra-arch and
Eun Young Rha et al.
Plastic and reconstructive surgery, 133(1), 14-20 (2014-01-01)
The authors have developed a simple and intuitive method for measuring breast volume based on three-dimensional simulated images of magnetic resonance imaging scans to accurately estimate breast volume before breast reconstruction. The authors performed a retrospective review of the medical
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service