calcium sulfate

• ChemBase ID: 126356
• Molecular Formular: CaO4S
• Molecular Mass: 136.1406
• Monoisotopic Mass: 135.91432046
• SMILES: [Ca+2].[O-]S(=O)(=O)[O-]
• Canonical SMILES: [O-]S(=O)(=O)[O-].[Ca+2]
• InChI: InChI=1S/Ca.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
• InChIKey: OSGAYBCDTDRGGQ-UHFFFAOYSA-L

NAMES AND DATABASE IDS

Names

• IUPAC name: calcium sulfate
• IUPAC Traditional name: calcium sulfate
• Synonyms: Calcium sulfate; Drierite™; Calcium sulfate, anhydrous; Calcium sulfate, anhydrous; Drierite®, regular (CaSO; Drierite®, indicating (CaSO; Calcium sulfate, anhydrous, Puratronic®; Plaster of Paris; Drierite; Gypsum; Calcium sulfate; Calcium sulfate; 硫酸钙; 硫酸钙, 无水, 99%最低; ), Lab Grade; ); 无水硫酸钙, Puratronic®; 硫酸钙

Database IDs

• CAS Number: 7778-18-9
• EC Number: 231-900-3
• MDL Number: MFCD00010912
• Merck Index: 141706
• PubChem SID: 24854354; 24854353; 24854220; 24854356; 24869109; 162220690; 24855474; 24854355; 24854357; 24854352
• PubChem CID: 24497; 24928
• CHEBI ID: 31346
• Chemspider ID: 22905
• KEGG ID: D09201
• Unique Ingredient Identifier: E934B3V59H
• Wikipedia Title: Calcium_sulfate

CALCULATED PROPERTIES

• Acid pKa: -3.034349
• H Acceptors: 4
• H Donor: 0
• LogD (pH = 5.5): -5.569452
• LogD (pH = 7.4): -5.594027
• Log P: -0.841552
• Molar Refractivity: 11.5274 cm^3
• Polarizability: 6.037845 Å^3
• Polar Surface Area: 80.26 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 0.21g/100ml at 20 °C (anhydrous) ; 0.24 g/100ml at 20 °C (dihydrate) in water; slightly soluble (dihydrate) in glycerol
• Apperance: Granular -8 Mesh; Granular, -10+20 Mesh; Granular, -4+6 Mesh; Granular, -6 Mesh; Powder; powder and chunks; white solid
• Melting Point: 1450°C; 1460 °C (anhydrous)
• Flash Point: Non-flammable
• Density: 2.96 g/cm^3 (anhydrous) ; 2.32 g/cm^3 (dihydrate); 2.960
• pKa: 10.4 (anhydrous) ; 7.3 (dihydrate)
• Odor: odorless
• Std enthalpy of formation: -1433 kJ/mol
• Std molar entropy: 107 J·mol^-1·K^-1
• Solubility Product (Ksp): 4.93 × 10^-5 mol^2L^-2 (anhydrous); 3.14 × 10^-5 (dihydrate);

Safety Information

• Storage Warning: Hygroscopic; Moisture Sensitive
• RTECS: WS6920000
• European Hazard Symbols: Nature polluting (N); Toxic (T); Irritant (Xi)
• UN Number: 3077
• German water hazard class: 1; 2; 3
• Hazard Class: 9
• Packing Group: 3
• Risk Statements: 36/38; 49-42/43-52/53; 49-60-42/43-50/53-68; 49-60-42/43-51/53-68
• Safety Statements: 26-37-60; 53-22-36/37-45-61; 53-22-45-60-61
• TSCA Listed: 是
• EU Index: Not listed
• GHS Pictograms: GHS07; GHS08; GHS09
• GHS Signal Word: Danger
• NFPA704:
  

  0

  1

  0
• GHS Hazard statements: H315-H319; H317-H334-H341-H350i-H360F-H410; H317-H334-H341-H350i-H360F-H411; H334-H350-H317-H402-H412
• GHS Precautionary statements: P201-P261-P273-P280-P308 + P313; P201-P261-P273-P280-P308 + P313-P501; P280-P305+P351+P338-P302+P352-P321-P362-P332+P313; P285-P261-P302+P352-P321-P405-P501A
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges; Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges; Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RID/ADR: UN 3077 9/PG 3

Product Information

• Purity: ≥99.99% trace metals basis; 99%; 99.993% (metals basis)
• Grade: drying agent
• Particle Size: +4 mesh; 10-20 mesh; -325 mesh; 4 mesh; 6 mesh; 8 mesh
• Quality: with moisture indicator
• Linear Formula: CaSO4

DETAILS

Sigma Aldrich - 255696

Packaging
10, 50 g in poly bottle

Sigma Aldrich - 44573

Legal Information
Drierite is a trademark of W.A. Hammond Drierite Co., LTD

Sigma Aldrich - 44579

Legal Information
Drierite is a trademark of W.A. Hammond Drierite Co., LTD

Sigma Aldrich - 44572

Legal Information
Drierite is a trademark of W.A. Hammond Drierite Co., LTD

Sigma Aldrich - 238945

Packaging
454 g in poly bottle
Legal Information
Drierite is a trademark of W.A. Hammond Drierite Co., LTD

Sigma Aldrich - 238988

Packaging
454 g in poly bottle
Legal Information
Drierite is a trademark of W.A. Hammond Drierite Co., LTD

Sigma Aldrich - 456071

Legal Information
Drierite is a trademark of W.A. Hammond Drierite Co., LTD

Sigma Aldrich - 238910

Packaging
454 g in poly bottle
Legal Information
Drierite is a trademark of W.A. Hammond Drierite Co., LTD

Sigma Aldrich - 238937

Packaging
12×454 g in glass bottle
454 g in poly bottle
Legal Information
A product of Reilly Industries, Inc. ®W.A. Hammond Drierite Co.
Drierite is a trademark of W.A. Hammond Drierite Co., LTD

Sigma Aldrich - 238961

Packaging
454 g in poly bottle
Legal Information
Drierite is a trademark of W.A. Hammond Drierite Co., LTD

Sigma Aldrich - 237132

Packaging
100, 500 g in poly bottle

Sigma Aldrich - 238929

Packaging
454 g in poly bottle
Legal Information
Drierite is a trademark of W.A. Hammond Drierite Co., LTD