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C3771

Sigma-Aldrich

Calcium sulfate dihydrate

ReagentPlus®, ≥99%

Synonym(s):

Gypsum dihydrate

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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:
329775046
NACRES:
NA.55
Form:
powder

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Quality Level

200

product line

ReagentPlus®

Assay

≥99%

form

powder

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

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1.06546

Sodium nitrate

form

powder

form

powder

form

powder

form

solid

Quality Level

300

Quality Level

200

Quality Level

200

Quality Level

100

grade

ACS reagent

grade

ACS reagent, puriss. p.a.

grade

ACS reagent

grade

for inorganic trace analysis

pH

5 (20 °C, 100 g/L in H2O)

pH

-

pH

-

pH

5.5-8.0 (20 °C, 50 g/L in H2O)

anion traces

chloride (Cl-): ≤0.005%

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤500 mg/kg

anion traces

-

anion traces

-

mp

220 °C

mp

220 °C (dec.) (lit.)

mp

220 °C (dec.) (lit.)

mp

308 °C

Application

Calcium sulfate dihydrate can be used as a promoter in the ring-opening polymerization of substituted cyclotriphosphazenes[1].

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
SLCK1981
SLCG2920
SLCC4171
SLBX8408
SLBW9062

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