Calcium bromate

Calcium bromate

Names
IUPAC name Calcium bromate
Other names bromic acid, calcium salt
Identifiers
CAS Number	10102-75-7 Y
3D model (JSmol)	Interactive image
ChemSpider	55398 Y
ECHA InfoCard	100.030.240
EC Number	233-278-9
E number	E924b (glazing agents, ...)
PubChem CID	61478
UNII	QJ2S78C3RO N
CompTox Dashboard (EPA)	DTXSID30143676
InChI InChI=1S/2BrHO3.Ca/c2*2-1(3)4;/h2*(H,2,3,4);/q;;+2/p-2 Y Key: GROPHIUSZODNGU-UHFFFAOYSA-L Y InChI=1/2BrHO3.Ca/c2*2-1(3)4;/h2*(H,2,3,4);/q;;+2/p-2 Key: GROPHIUSZODNGU-NUQVWONBAH
SMILES [Ca+2].[O-]Br(=O)=O.[O-]Br(=O)=O
Properties
Chemical formula	Ca(BrO3)2
Molar mass	295.8824 g/mol
Appearance	White monoclinic crystals
Density	3.33 g/cm3[1]
Melting point	180 °C[2]
Solubility in water	230 g/100 mL (20 °C)
Magnetic susceptibility (χ)	−84.0·10−6 cm3/mol
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H272, H315, H319, H335
Precautionary statements	P210, P220, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P405, P501
Related compounds
Other anions	calcium bromide calcium chloride calcium sulfide
Other cations	strontium bromate barium bromate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

Calcium bromate, Ca(BrO₃)₂, is a calcium salt of bromic acid. It is most commonly encountered as the monohydrate, Ca(BrO₃)₂•H₂O.^{[citation needed]}

It can be prepared by reacting calcium hydroxide with sodium bromate or calcium sulfate with barium bromate. Above 180 °C, calcium bromate decomposes to form calcium bromide and oxygen.^{[citation needed]} In theory, electrolysis of calcium bromide solution will also yield calcium bromate.

It is used as a bread dough and flour "improver" or conditioner (E number E924b) in some countries.^[3]

1. ^ "Public Health Goal for Bromate in Drinking Water" (PDF). Office of Environmental Health Hazard Assessment, California Environmental Protection Agency. December 2009. Retrieved August 21, 2018.
2. ^ Perry, Dale L (2016-04-19). Handbook of Inorganic Compounds, Second Edition. ISBN 9781439814628.
3. ^ Lewis, Richard J (1989). Food Additives Handbook. Springer Science & Business Media. ISBN 9780442205089.

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