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Substance Name: Calcium sulfate [NF]
RN: 7778-18-9
UNII: E934B3V59H
InChIKey: OSGAYBCDTDRGGQ-UHFFFAOYSA-L
Note
- A calcium salt that is used for a variety of purposes including: building materials, as a desiccant, in dentistry as an impression material, cast, or die, and in medicine for immobilizing casts and as a tablet excipient. It exists in various forms and states of hydration. Plaster of Paris is a mixture of powdered and heat-treated gypsum.
Molecular Formulas
- Ca-S-O4
- Ca.H2-O4-S
- Ca.O4-S
- H2-O4-S.Ca
Molecular Weight
- 136.14
Classification Codes
Classification Codes
- Dental Materials
- Pharmaceutic Aid (Tablet and Capsule Diluent)
Superlist Classification Codes
- TWA (15 mg/m3 total dust; 5 mg/m3 respirable fraction)
- TWA 10 mg/m3 (particulate matter containing no asbestos and < 1% crystalline silica)
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Names and Synonyms
Name of Substance
- Anhydrite
- Calcium sulfate
- Calcium sulfate [NF]
- Gypsum
- Pigment white 25
- Plaster of Paris
- Sulfuric acid, calcium salt
MeSH Heading
- Calcium sulfate
Synonyms
- A 30
- AI3-02330
- Anhydrous calcium sulfate
- Anhydrous gypsum
- Anhydrous sulfate of lime
- Basic calcium sulfate
- Calcarea sulphurica 30C
- Calcium sulfate
- Calcium sulfate (1:1)
- Calcium sulfate (CaSO4)
- Calcium sulfate anhydrous
- Calcium sulfate, anhydrous
- Calcium sulfuricum
- CAS 20
- Caswell No. 152
- CCRIS 3666
- Crysalba
- Drierite
- EC 231-900-3
- EINECS 231-900-3
- EPA Pesticide Chemical Code 005602
- Franklin Fiber H 45
- GIBS
- Gypsum
- HSDB 902
- Karstenite
- Muriacite
- Natural anhydrite
- NSC 529649
- Oparex 10
- Osteoset
- Satin White
- SSS-A
- Sulfuric acid, calcium salt (1:1)
- Surfuric acid calcium(2+) salt (1:1)
- Terra alba
- Thiolite
- UNII-E934B3V59H
Systematic Names
- Calcium sulfate
- Calcium sulphate, natural
- Sulfuric acid, calcium salt (1:1)
Superlist Names
- Calcium sulfate
- Plaster of Paris, anhydrite
Registry Numbers
CAS Registry Number
- 7778-18-9
FDA UNII
- E934B3V59H
Other Registry Numbers
- 1314087-18-7
- 1428662-16-1
- 146522-67-0
- 151621-69-1
- 23296-15-3
- 326855-67-8
- 871982-24-0
- 99400-01-8
Related Registry Numbers
- 10034-76-1 (1:1 salt, hemi-hydrate)
- 10101-41-4 (1:1 salt, di-hydrate)
System Generated Number
- 0007778189
Molecular Formulas
Molecular Formulas
- Ca-S-O4
- Ca.H2-O4-S
- Ca.O4-S
- H2-O4-S.Ca
Molecular Formula Fragments
- Ca
- COMPONENT
- H2-O4-S
- O4-S