calcium sulfate
sulfuric acid, calcium salt (1:1)
 
Notes:
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. Used in foods as an anticaking agent, colouring adjunct, dough strengthener, drying agent, firming agent, formulation aid, leavening agent, nutrient supplement, pH control agent, processing aid, stabiliser, thickener, synergist and texturiser; also used as an additive in the bleaching of flour by benzoyl peroxide Calcium sulfate is a common component of fouling deposits in industrial heat exchangers. It is because its solubility decreases with increasing temperature in hot water (see the figure).; Calcium sulfate is a common laboratory and industrial chemical. In the form of ?-anhydrite (the nearly anhydrous form), it is used as a desiccant. It is also used as a coagulant in products like tofu. In the natural state, unrefined calcium sulfate is a translucent, crystalline white rock. When sold as a color-indicating variant under the name Drierite, it appears blue or pink due to impregnation with cobalt chloride, which functions as a moisture indicator. The hemihydrate (CaSO4.~0.5H2O) is better known as plaster of Paris, while the dihydrate (CaSO4.2H2O) occurs naturally as gypsum. The anhydrous form occurs naturally as ?-anhydrite. Depending on the method of calcination of calcium sulfate dihydrate, specific hemihydrates are sometimes distinguished: alpha-hemihydrate and beta-hemihydrate. They appear to differ only in crystal size. Alpha-hemihydrate crystals are more prismatic than beta-hemihydrate crystals and, when mixed with water, form a much stronger and harder superstructure.
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      03-02950 CALCIUM SULFATE ANHYDROUS
       
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calcium sulfate (Click)
CAS Number: 7778-18-9Picture of molecule
Other: 146522-67-0
ECHA EINECS - REACH Pre-Reg: 231-900-3
FDA UNII: E934B3V59H
Nikkaji Web: J43.738G
MDL: MFCD00010912
Molecular Weight: 136.13980000
Formula: Ca O4 S
NMR Predictor: Predict (works with chrome or firefox)
Category: yeast food, dough conditioners, firming agents, sequestrants, acidity regulators
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
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 FDA/DG SANTE Petitions, Reviews, Notices:
EU SANCO Calcium sulphite View-review
JECFA Food Additive: Calcium Sulfate
GSFA Codex: Calcium sulfate (516)
DG SANTE Food Additives: calcium sulphate
FDA Mainterm: CALCIUM SULFATE
FDA Regulation:
FDA PART 133 -- CHEESES AND RELATED CHEESE PRODUCTS
Subpart B--Requirements for Specific Standardized Cheese and Related Products
Sec. 133.102 Asiago fresh and asiago soft cheese.


FDA PART 133 -- CHEESES AND RELATED CHEESE PRODUCTS
Subpart B--Requirements for Specific Standardized Cheese and Related Products
Sec. 133.106 Blue cheese.


FDA PART 133 -- CHEESES AND RELATED CHEESE PRODUCTS
Subpart B--Requirements for Specific Standardized Cheese and Related Products
Sec. 133.111 Caciocavallo siciliano cheese.


FDA PART 133 -- CHEESES AND RELATED CHEESE PRODUCTS
Subpart B--Requirements for Specific Standardized Cheese and Related Products
Sec. 133.141 Gorgonzola cheese.


FDA PART 133 -- CHEESES AND RELATED CHEESE PRODUCTS
Subpart B--Requirements for Specific Standardized Cheese and Related Products
Sec. 133.165 Parmesan and reggiano cheese.


FDA PART 133 -- CHEESES AND RELATED CHEESE PRODUCTS
Subpart B--Requirements for Specific Standardized Cheese and Related Products
Sec. 133.181 Provolone cheese.


FDA PART 133 -- CHEESES AND RELATED CHEESE PRODUCTS
Subpart B--Requirements for Specific Standardized Cheese and Related Products
Sec. 133.183 Romano cheese.


FDA PART 133 -- CHEESES AND RELATED CHEESE PRODUCTS
Subpart B--Requirements for Specific Standardized Cheese and Related Products
Sec. 133.195 Swiss and emmentaler cheese.


FDA PART 137 -- CEREAL FLOURS AND RELATED PRODUCTS
Subpart B--Requirements for Specific Standardized Cereal Flours and Related Products
Sec. 137.105 Flour.


FDA PART 150 -- FRUIT BUTTERS, JELLIES, PRESERVES, AND RELATED PRODUCTS
Subpart B--Requirements for Specific Standardized Fruit Butters, Jellies, Preserves, and Related Products
Sec. 150.141 Artificially sweetened fruit jelly.


FDA PART 150 -- FRUIT BUTTERS, JELLIES, PRESERVES, AND RELATED PRODUCTS
Subpart B--Requirements for Specific Standardized Fruit Butters, Jellies, Preserves, and Related Products
Sec. 150.161 Artificially sweetened fruit preserves and jams.


FDA PART 175 -- INDIRECT FOOD ADDITIVES: ADHESIVES AND COMPONENTS OF COATINGS
Subpart C--Substances for Use as Components of Coatings
Sec. 175.300 Resinous and polymeric coatings.


FDA PART 176 -- INDIRECT FOOD ADDITIVES: PAPER AND PAPERBOARD COMPONENTS
Subpart B--Substances for Use Only as Components of Paper and Paperboard
Sec. 176.170 Components of paper and paperboard in contact with aqueous and fatty foods.


FDA PART 178 -- INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS
Subpart D--Certain Adjuvants and Production Aids
Sec. 178.3297 Colorants for polymers.


FDA PART 184 -- DIRECT FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED AS SAFE
Subpart B--Listing of Specific Substances Affirmed as GRAS
Sec. 184.1230 Calcium sulfate.
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Physical Properties:
Appearance: white to pale yellow fine powder (est)
Assay: 99.00 to 100.00 % 
Food Chemicals Codex Listed: No
Melting Point: 1450.00 °C. @ 760.00 mm Hg
Boiling Point: 330.00 °C. @ 760.00 mm Hg (est)
Vapor Pressure: 0.000034 mm/Hg @ 25.00 °C. (est)
Flash Point: 32.00 °F. TCC ( 0.00 °C. ) (est)
logP (o/w): -1.031 (est)
Soluble in:
 water, slightly
 water, 1.216e+005 mg/L @ 25 °C (est)
Insoluble in:
 alcohol
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Organoleptic Properties:
Odor Description:
at 100.00 %. 
odorless
  
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Cosmetic Information:
CosIng: cosmetic data2
CosIng: cosmetic data
Cosmetic Uses: abrasives
bulking agents
opacifying agents
pearlescent agents
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Suppliers:
American Elements
Calcium Sulfate 99%
Odor: characteristic
Use: Calcium Sulfate is a moderately water and acid soluble Calcium source for uses compatible with sulfates.Sulfate compounds are salts or esters of sulfuric acid formed by replacing one or both of the hydrogens with a metal. Most metal sulfate compounds are readily soluble in water for uses such as water treatment, unlike fluorides and oxides which tend to be insoluble. Organometallic forms are soluble in organic solutions and sometimes in both aqueous and organic solutions. Metallic ions can also be dispersed utilizing suspended or coated nanoparticles (See also application discussion at Nanotechnology Information and at Quantum Dots) and deposited utilizing sputtering targets and evaporation materials for uses such as solar energy materials and fuel cells. Calcium Sulfate is generally immediately available in most volumes. Ultra high purity and high purity compositions improve both optical quality and usefulness as scientific standards. Nanoscale (See also Nanotechnology Information and Quantum Dots) elemental powders and suspensions, as alternative high surface area forms, may be considered. We also produce Calcium Sulfate Solution. Additional technical, research and safety information is available.
Kraft Chemical
Calcium Sulfate
Penta International
CALCIUM SULFATE ANHYDROUS
Sigma-Aldrich
For experimental / research use only.
Calcium sulfate dihydrate ReagentPlus®, ≥99%
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Safety Information:
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: yeast food, dough conditioners, firming agents, sequestrants, acidity regulators
Recommendation for calcium sulfate usage levels up to:
 not for fragrance use.
 
Recommendation for calcium sulfate flavor usage levels up to:
 not for flavor use.
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Safety References:
European Food Safety Authority (EFSA) reference(s):
Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food (AFC) on a request from the Commission related to Calcium sulphate for use in foods for particular nutritional uses.
View page or View pdf
Calcium sulphate for use as a source of calcium in food supplements - Scientific opinion of the Scientific Panel on Food Additives and Nutrient Sources added to food
View page or View pdf
Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) related to Calcium Sulphate as a mineral substance in foods intended for the general population.
View page or View pdf
EPI System: View
Daily Med: search
NIOSH International Chemical Safety Cards: search
NIOSH Pocket Guide: search
NLM Hazardous Substances Data Bank: Search
Chemical Carcinogenesis Research Information System: Search
Cancer Citations: Search
Toxicology Citations: Search
Env. Mutagen Info. Center: Search
NLM Developmental and Reproductive Toxicity: Search
EPA Substance Registry Services (TSCA): 7778-18-9
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 24497
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 1
 calcium sulfate
Chemidplus: 0007778189
EPA/NOAA CAMEO: hazardous materials
RTECS: 7778-18-9
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References:
 calcium sulfate
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 7778-18-9
Pubchem (cid): 24497
Pubchem (sid): 134990461
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
FDA Everything Added to Food in the United States (EAFUS): View
CHEBI: View
CHEMBL: View
KEGG (GenomeNet): C13194
HMDB (The Human Metabolome Database): Search
FooDB: FDB015402
Export Tariff Code: 2833.29.5000
Haz-Map: View
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ChemSpider: View
Wikipedia: View
RSC Learn Chemistry: View
Formulations/Preparations:
•grades: techincal; pure precipitated (as dihydrate); fcc. •chemical gypsum requires control of residual chloride, fluoride, and phosphate to less than 0.5% •gypsum crude, by-product, & calcined •gypsum, caso4.2h2o, contains 27% water; anhydrite is the anhydrous form
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Potential Blenders and core components note
 
None Found
 
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Potential Uses:
 abrasives 
 cosmetic colorants 
 opacifying agents 
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Occurrence (nature, food, other): note
 not found in nature
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Synonyms:
 anhydrite
natural anhydrite
anhydrous calcium sulfate
 calcium sulfate (1:1)
 calcium sulfate (CaSO4)
 calcium sulfate anhydrous
 calcium sulphate
 calcium sulphite
 calciumsulfate
 caswell no. 152
 ci 77231
 crysalba
 drierite
 gypsum (CaSO4)
 gypsum fibrosum
 kalziumsulfat
 karstenite
 muriacite
 oparex 10
 osteoset
 pigment white 25
 plaster of paris (CaSO4)
 plaster of paris anhydrite
 satin white
anhydrous sulfate of lime
 sulfuric acid calcium salt
 sulfuric acid calcium salt (1:1)
 sulfuric acid calcium(2+) salt (1:1)
 sulfuric acid, calcium salt
 sulfuric acid, calcium salt (1:1)
 terra alba
 thiolite
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Articles:
PubMed: [Development of Clostridium perfringens selective chromogenic medium].
PubMed: Anaerobically digested food waste in compost for Agaricus bisporus and Agaricus subrufescens and its effect on mushroom productivity.
PubMed: Restoration impact of an uncontrolled phosphogypsum dump site on the seasonal distribution of abiotic variables, phytoplankton and zooplankton along the near shore of the south-western Mediterranean coast.
PubMed: Differential growth and yield by canola (Brassica napus L.) and wheat (Triticum aestivum L.) arising from alterations in chemical properties of sandy soils due to additions of fly ash.
PubMed: Current application of β-tricalcium phosphate composites in orthopaedics.
PubMed: Improved microbial quality of buckwheat using antimicrobial solutions in a fluidized bed.
PubMed: Influence of olive oil press cakes on Shiitake culinary-medicinal mushroom, lentinus edodes (Berk.) singer (higher basidiomycetes) fruiting bodies production and effect of their crude polysaccharides on CCRF-CEM cell proliferation.
PubMed: Cation and anion leaching and growth of Acacia saligna in bauxite residue sand amended with residue mud, poultry manure and phosphogypsum.
PubMed: Influence of calcium and silicon supplementation into Pleurotus ostreatus substrates on quality of fresh and canned mushrooms.
PubMed: Efficacy of ε-polylysine, lauric arginate, or acidic calcium sulfate applied sequentially for Salmonella reduction on membrane filters and chicken carcasses.
PubMed: Inhibition of Listeria monocytogenes by food antimicrobials applied singly and in combination.
PubMed: Efficacy of anticoagulant-free alternative bait products against house mice (Mus musculus) and brown rats (Rattus norvegicus).
PubMed: Dangers of bone graft substitutes: lessons from using GeneX.
PubMed: Synergistic inhibition of Listeria monocytogenes in vitro through the combination of octanoic acid and acidic calcium sulfate.
PubMed: EPR-TL correlation studies on Bi co-doped CaSO4:Dy phosphor.
PubMed: Maintaining quality of litchi fruit with acidified calcium sulfate.
PubMed: Antibrowning and antimicrobial properties of sodium acid sulfate in apple slices.
PubMed: Effects of calcium chloride and calcium sulfate in an oral bolus given as a supplement to postpartum dairy cows.
PubMed: Use of chemical sanitizers to reduce microbial populations and maintain quality of whole and fresh-cut cantaloupe.
PubMed: Preservation of cocoa antioxidant activity, total polyphenols, flavan-3-ols, and procyanidin content in foods prepared with cocoa powder.
PubMed: Radiological impact of almost a century of phosphate industry in Flanders, Belgium.
PubMed: The cumulative effect of three decades of phosphogypsum amendments in reclaimed marsh soils from SW Spain: (226)Ra, (238)U and Cd contents in soils and tomato fruit.
PubMed: Articular cartilage repair using a resorbable matrix scaffold.
PubMed: Effect of filler content and size on transport properties of water vapor in PLA/calcium sulfate composites.
PubMed: Biotransformation of phosphogypsum on distillery decoctions (Preliminary results).
PubMed: Inactivation of enterohemorrhagic Escherichia coli in rumen content- or feces-contaminated drinking water for cattle.
PubMed: Reduction of Campylobacter jejuni on chicken wings by chemical treatments.
PubMed: Chemical and physical changes following co-composting of beef cattle feedlot manure with phosphogypsum.
PubMed: Radon exhalation from phosphogypsum building boards: symmetry constraints, impermeable boundary conditions and numerical simulation of a test case.
PubMed: Viability of Listeria monocytogenes on commercially-prepared hams surface treated with acidic calcium sulfate and lauric arginate and stored at 4°C.
PubMed: Prediction of potential mushroom yield by visible and near-infrared spectroscopy using fresh phase II compost.
PubMed: The effect of phosphogypsum on greenhouse gas emissions during cattle manure composting.
PubMed: In vitro binding of zearalenone to different adsorbents.
PubMed: Uptake of iron by a vegetable; kaiware daikon (Japanese radish sprout).
PubMed: Influence of freezing and freezing plus acidic calcium sulfate and lactic acid addition on thermal inactivation of Escherichia coli O157:H7 in ground beef.
PubMed: Enhancement of tofu isoflavone recovery by pretreatment of soy milk with koji enzyme extract.
PubMed: Effects of applying Safe2O poultry wash to broiler wings on shelf life, Listeria monocytogenes, Pseudomonads, Staphylococcus species, and psychrotrophic bacteria levels after three, seven, and ten days of storage.
PubMed: Effectiveness of acidic calcium sulfate with propionic and lactic acid and lactates as postprocessing dipping solutions to control Listeria monocytogenes on frankfurters with or without potassium lactate and stored vacuum packaged at 4.5 degrees C.
PubMed: The effect of sulfur fertilizer on glucoraphanin levels in broccoli (B. oleracea L. var. italica) at different growth stages.
PubMed: Viability of acid-adapted Escherichia coli O157:H7 in ground beef treated with acidic calcium sulfate.
PubMed: Effect of calcium sulfate concentration in soymilk on the microstructure of firm tofu and the protein constitutions in tofu whey.
PubMed: Calcium absorption from three salts and CaSO(4)-fortified bread in premenopausal women.
PubMed: The debate over the pathogenic nature of plastered wine.
PubMed: Preparation of bean curds from protein fractions of six legumes.
PubMed: Mechanical properties and water-vapor permeability of soy-protein films affected by calcium salts and glucono-delta-lactone.
PubMed: Use of bone-graft substitutes in distal radius fractures.
PubMed: Inhibition of sulfate reduction to sulfide by 9,10-anthraquinone in in vitro ruminal fermentations.
PubMed: The physiological property and function of the electrolyzed-ionized calcium Aquamax on water molecular clusters fractionization.
PubMed: Possible relationship of succinate dehydrogenase and fatty acid synthetase activities to Aspergillus parasiticus (NRRL 5139) growth and aflatoxin production.
PubMed: Laying hens respond differently to high dietary levels of phosphorus in monobasic and dibasic calcium phosphate.
PubMed: Calcium carbonate depresses iron bioavailability in rats more than calcium sulfate or sodium carbonate.
PubMed: A novel human hepatoblastoma cell line (HuH-6KK) with rapid growth in serum-free medium without extracellular matrix.
PubMed: Radioecological model calculations for natural radionuclides released into the environment by disposal of phosphogypsum.
PubMed: Bread (white and whole wheat) and nonfat dry milk as sources of bioavailable calcium for rats.
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