99400-01-8
Product Name:
calcium sulfate
Formula:
CaO4S
Synonyms:
Calcium sulfate dihydrate;Gypsum
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Calcium sulfate appears as odorless, white powder or colorless, crystalline solid. Crystals sometimes have a blue, gray or reddish tinge or can be brick red. Density: 2.96 g cm-3. |
|---|---|
| Color/Form | NATURAL ANHYDRITE CRYSTALS ARE COLORLESS, RHOMBIC OR MONOCLINIC |
| Odor | PURE ANHYDROUS CALCIUM SULFATE IS ODORLESS |
| Boiling Point | Decomposes (NIOSH, 2023) |
| Melting Point | 2840 °F (Decomposes) (NIOSH, 2023) |
| Solubility | 0.3 % (NIOSH, 2023) |
| Density | 2.96 (NIOSH, 2023) - Denser than water; will sink |
| Vapor Pressure | 0 mmHg (approx) (NIOSH, 2023) |
| Decomposition | 1450 °C |
| Refractive Index | INDEX OF REFRACTION: 1.521, 1.523, 1.530; LOSES 1/2 H2O AT 128 °C & 2 H2O AT 163 °C /DIHYDRATE/ |
| Other Experimental Properties | POSSESSES HIGH AFFINITY FOR WATER & WILL ABSORB 6.6% OF ITS WT OF WATER FORMING STABLE HEMIHYDRATE /SOL ANHYDRITE/ |
| Chemical Classes | Mineral Dusts -> Other Mineral Dusts |
COMPUTED DESCRIPTORS
| Molecular Weight | 136.14 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 135.9143205 g/mol |
| Monoisotopic Mass | 135.9143205 g/mol |
| Topological Polar Surface Area | 88.6 Ų |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 62.2 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Calcium sulfate appears as odorless, white powder or colorless, crystalline solid. Crystals sometimes have a blue, gray or reddish tinge or can be brick red. Density: 2.96 g cm-3.
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