Calcium iodate
Basic information
- CAS
7789-80-2- Standard SMILES
[Ca+2].[O-][I+2]([O-])[O-].[O-][I+2]([O-])[O-]- InChIKey
RBLVAPCXDSLCIJ-UHFFFAOYSA-N- Molecular formula
- CaI2O6
- Average molar mass
- 389.88 g/mol
- Monoisotopic mass
- 389.74102
Overview
Lautarite is a mineral with formula of Ca(I5+O3)2 or Ca(IO3)2. The IMA symbol is Ltr.
Names & identifiers
- Preferred name
- Calcium iodate
- IUPAC
- calcium diiodate
- English name
- Calcium iodate
- Molecular formula
- CaI2O6
- Molecular weight
- 389.88
Names & synonyms
CALCIUM IODATE7789-80-2Lautaritecalcium;diiodateAutariteIodic acid, calcium saltCalcium iodate (Ca(IO3)2)CaI2O6Iodic acid (HIO3), calcium saltUNII-L8MN4Y57BRL8MN4Y57BRHSDB 986
Show more names
Calcium iodate AnhydrousCalciumiodate,98%calcium iodate foodiodicacid,calciumsaltCALCIUM IODATE HYDRATECALCIUM IODATE REAGENTcalciumiodate(ca(io3)2)Calcium iodate, pure, 98%
EINECS 232-191-3EC 232-191-3Iodic acid calcium saltCALCIUM IODATE [MI]CALCIUM IODATE [FCC]CALCIUM IODATE [HSDB]CALCIUM IODATE [VANDF]AKOS015853993
Database identifiers
- CAS
7789-80-2- PubChem CID
- 24619
- DTXSID
DTXSID40960972- UNII
- L8MN4Y57BR
- EC Number
- 232-191-3
- Nikkaji
- J43.735B
Properties
Computed structural properties
- Topological polar surface area
- 114 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 6
- Rotatable bonds
- 0
- Heavy atoms
- 9
- Formal charge
- 0
- Complexity
- 36.5
Experimental & physicochemical properties
Chemical ClassesOther Uses -> Food Additives
OdorODORLESS
Food AdditivesDOUGH STRENGTHENER, FLOUR TREATING AGENT, NUTRIENT SUPPLEMENT, PROCESSING AID -> FDA Substance added to food
Density4.519 @ 15 °C/4 °C
Color/Form
Monoclinic-prismatic crystals
COLORLESS
White crystals or powder
Solubility
SOLUBILITY IN COLD WATER: 0.20 G/100 CC AT 15 °C; SOLUBILITY IN HOT WATER: 0.67 G/100 CC AT 90 °C
Sol in nitric acid; insol in alcohol
Solubility in water: 0.10 g/100 ml @ 0 °C, 0.95 g/100 ml @ 100 °C
More sol in aq soln of iodides and amino acid soln than in water
Soluble in nitric acid
DecompositionDecomposes on heating.
Melting Point540 °C (decomposes)
Physical DescriptionColorless or white odorless solid; [HSDB] Off-white powder; [MSDSonline]
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
Danger
H272 (77.3%): May intensify fire; oxidizer [Danger Oxidizing liquids; Oxidizing solids]
P210, P220, P260, P261, P264, P264+P265, P270, P271, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P319, P321, P330, P332+P317, P337+P317, P362+P364, P363, P370+P378, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 220 reports by companies from 16 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Warning
H302: Harmful if swallowed [Warning Acute toxicity, oral]
Hazard information
Regulatory Information
Chemical: Iodic acid (HIO3), calcium salt
Regulation (EC) No 1831/2003 (amended)
REACH registered substance: Calcium iodate (EC: 232-191-3)
Iodic acid, calcium salt: Does not have an individual approval but may be used under an appropriate group standard
Other Safety InformationIMAP assessments - Iodic acid and selected salts: Human health tier II assessment
Fire PotentialOXIDIZING MATERIAL. ... FIRE RISK IN CONTACT WITH ORGANIC MATERIALS.
Hazards Summary
Potassium iodate is toxic (nephrotoxic, hemolytic effects, and visual impairment) if ingested at high doses, e.g., 187-470 mg/kg; Generally regarded as safe (GRAS) for use in foods; An oxidizing substance that may cause fire on contact with organic materials; [HSDB] An oxidizing agent; May cause fire on contact with combustible material; An irritant; [MSDSonline]
FDA RequirementsSubstance added directly to human food affirmed as generally recognized as safe (GRAS).
Chemistry & industry
Uses & manufacturing
Uses
Used as iodine source in foods and feedstuffs, dough conditioner, and in deodorants and mouth washes; [HSDB]
Farming (Feed Additives) [Category: Industry]
To improve properties of yeast-leavened bakery products; nutritional source of iodine in foods and feedstuffs
Antiseptic /Hexahydrate/
In deodorant; mouth washes, food additive, dough conditioner (up to 0.0075 ppb of flour used)
Mainly used in animal and fowl feeds
Methods of ManufacturingPrepared by passing chlorine into a hot soln of lime in which iodine has been dissolved: Bahl, Singh, J Indian Chem Soc 17, 397 (1940).
Formulations/PreparationsGrades: Technical; CP; FCC.
Use ClassificationFood Additives -> FLOUR_TREATMENT_AGENT -> JECFA Functional Classes
General Manufacturing InformationMore stable in table salts than iodides...
Applications
UsesUsed as: Iodine additives for premix in feed industry: Quality enhancers, preservatives in food industry; Mouthwash preparation, iodine substitutes and nutritional supplements trace elements and deodorant in pharmaceutical industry; Wheat flour treatment; Dough conditioner; Quick-acting oxidant to the dough when making bread by being added to wheat flour.
UsesCalcium Iodate is a source of iodine that is a white powder of slight solubility in water, but greater solubility in water containing iodides or amino acids. it is more stable than the iodide form. it is used as a dough conditioner in bread and is a source of iodine in table salts.
UsesCalcium iodate (also called Lautarite) is used as an oxidant added to lotions and ointments as an antiseptic and deodorant. It is also used in the food industry in animal feed, and the manufacture of disinfectants.The forms of iodine most commonly used in animal feed are calcium iodate, ethylenediamine dihydriodide (EDDI), and potassium iodide. Calcium iodate is usually the most stable source of iodine. All three major sources of iodine (calcium iodate, EDDI, and potassium iodide) are roughly equivalent in biological availability.
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