Identification |
Name: | Sulfuric acid, calciumsalt, hydrate (2:2:1) |
Synonyms: | Sulfuricacid, calcium salt (1:1), hemihydrate (8CI); BonePlast; Calcium sulfate (CaSO4)hemihydrate; Calcium sulfate (CaSO4) hydrate (2:1); Calcium sulfatehemihydrate; Calcium sulfate hemihydrate (CaSO4.0.5H2O); Keramod A 20; P 23; P23 (sulfate); Prestia 23 |
CAS: | 10034-76-1 |
EINECS: | 231-900-3 |
Molecular Formula: | Ca. H2 O4 S . 1/2 H2 O |
Molecular Weight: | 145.15 |
InChI: | InChI=1/Ca.H2O4S.H2O.2H/c;1-5(2,3)4;;;/h;(H2,1,2,3,4);1H2;;/p-2/rCaH2.H2O4S.H2O/c;1-5(2,3)4;/h1H2;(H2,1,2,3,4);1H2/p-2 |
Molecular Structure: |
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Properties |
Melting Point: | 1450 DEG C |
Flash Point: | °C |
Boiling Point: | 330°Cat760mmHg |
Density: | g/cm3 |
Stability: | Stable. Hygroscopic. |
Solubility: | PURE ANHYDROUS SLIGHTLY SOL IN WATER 0.209 G/100 CC & 0.1619 G/100 CC WATER AT 30 & 100 DEG C; SOL IN AMMONIUM SALTS, SODIUM THIOSULFATE & GLYCERINE |
Appearance: | white powder |
Flash Point: | °C |
Storage Temperature: | Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. |
Color: | NATURAL ANHYDRITE CRYSTALS ARE COLORLESS, RHOMBIC OR MONOCLINIC NATURAL ANHYDRITE CRYSTALS ARE ORTHORHOMBIC, COLOR VARIES (WHITE WITH BLUE, GRAY OR REDDISH TINGE, OR BRICK RED) INSOL ANHYDRITE HAS SAME CRYSTAL STRUCTURE AS MINERAL ANHYDRITE SOL ANHYDRITE IS OBTAINED IN GRANULAR OR POWDER FORM SOL ANHYDRITE CRYSTALS ARE COLORLESS, HEXAGONAL OR TRICLINIC PURE ANHYDROUS CALCIUM SULFATE EXISTS IN FORM OF WHITE POWDER OR CRYSTALS White powder or colorless, crystalline solid [Note: May have blue, gray, or reddish tinge]. |
Usage: | Plaster of paris. |
Safety Data |
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