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Calcium iodate

Chemical Properties Uses Preparation Water solubility (g/100ml) Content analysis Toxicity
Calcium iodate
Calcium iodate structure
CAS No.
7789-80-2
Chemical Name:
Calcium iodate
Synonyms
autarite;7789-80-2;CALCIUM IODATE;Calciumiodate,98%;calcium iodate food;iodicacid,calciumsalt;CALCIUM IODATE HYDRATE;CALCIUM IODATE REAGENT;calciumiodate(ca(io3)2);Calcium iodate Anhydrous
CBNumber:
CB7256675
Molecular Formula:
CaI2O6
Formula Weight:
389.88
MOL File:
7789-80-2.mol

Calcium iodate Properties

Melting point:
540°C
Density 
4.520 g/mL (lit.)
solubility 
ethanol: insoluble(lit.)
form 
Powder
Specific Gravity
4.519
color 
white
Water Solubility 
slightly soluble
Merck 
14,1676
Stability:
Stable. Incompatible with reducing agents, copper, aluminium, alcohols, sulfur, phosphorus. Oxidant - keep away from combustible materials.
CAS DataBase Reference
7789-80-2(CAS DataBase Reference)
FDA 21 CFR
184.1206; 582.80
Substances Added to Food (formerly EAFUS)
CALCIUM IODATE
SCOGS (Select Committee on GRAS Substances)
Calcium iodate
EWG's Food Scores
1
FDA UNII
L8MN4Y57BR
EPA Substance Registry System
Calcium iodate (7789-80-2)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS03,GHS07
Signal word  Danger
Hazard statements  H272-H315-H319-H335
Precautionary statements  P220-P261-P305+P351+P338
Hazard Codes  O,Xi
Risk Statements  8-36/37/38
Safety Statements  17-26-37/39-36-16
RIDADR  UN 1479 5.1/PG 2
WGK Germany  3
HazardClass  5.1
PackingGroup  II

Calcium iodate price More Price(18)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 341606 Calcium iodate 98% 7789-80-2 100g $51.8 2021-12-16 Buy
Strem Chemicals 93-2023 Calcium iodate, 98% 7789-80-2 250g $85 2021-12-16 Buy
Strem Chemicals 93-2023 Calcium iodate, 98% 7789-80-2 50g $25 2021-12-16 Buy
GFS CHEMICALS 19501 CALCIUMIODATE,REAGENT 7789-80-2 100 G $60.31 2021-12-16 Buy
GFS CHEMICALS 19502 CALCIUMIODATE,REAGENT 7789-80-2 500 G $161.61 2021-12-16 Buy

Calcium iodate Chemical Properties,Uses,Production

Chemical Properties

Colorless Orthorhombi crystal or white crystal. Odorless. Boiling point: 783 ℃. Relative density: 2.55. Soluble in nitric acid, slightly soluble in water. Six crystal water will be dehydrated at 40 ° C and it will become anhydrous.

Uses

Used as: 

Preparation

Pass through the chlorine into the mixture of iodine and water at 10-15 ° C until the iodine is completely transformed into iodic acid, and then add calcium hydroxide to adjust the pH up to 7. Wash the formed precipitate and dry it at 110 ° C to obtain the finished product. Put potassium iodate into a reactor containing distilled water, stir and add calcium nitrate solution slowly to react to form calcium iodate and potassium nitrate reaction solution, then filter off to remove potassium nitrate. Then add arsenic removal agent and heavy metal agent to purify the solution,  and filter off to remove the arsenic and heavy metals and other impurities.  Then get the filtrate to be concentrate by evaporation, cooled and crystallized, centrifugated, dried,  and we can obtain the finished food calcium iodate. Ca (NO3) 2 • 4H2O + 2KIO3 + 2H2O → Ca (IO3) 2 • 6H2O + 2KNO3

Water solubility (g/100ml)

Grams that dissolve in per 100 ml of water at different temperatures (° C):
9×10-2/30℃;0.24g/20℃;0.38g/30℃;0.52g/40℃
0.65g/60℃;0.66g/80℃;0.67g/90℃

Content analysis

Weigh about 600mg of sample accurately, and then dissolve them in the mixed solution of 10mL of 70% perchloric acid and 10ml of water. Heat it to help dissolution If necessary, and dilute with water to 250.0ml. Take 50.0ml of this solution and put it into a 250ml Erlenmeyer flask, add 1ml of 70% perchloric acid and 5g of potassium iodide, stoppered, shake gently and then leave it to stand still for 5min. Then titrate with 0.1mol / L sodium thiosulfate, and then add at a small amount of starch test solution (TS-235 when nearing the end. 0.1mol / L sodium thiosulfate per mL equals to 3.398mg of calcium iodate [Ca (IO3)2·H2O].

Toxicity

ADI:  Not allowed to use (FAO / WHO, 2001).
GR.AS(FDA,§184.1206,2000)

Chemical Properties

solid

Uses

Calcium 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.

Uses

Calcium 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.

Preparation

This composition occurs as a mineral “Lautarite (Calcium Iodate·Monohydrate). It can be prepared by the reaction of iodic acid upon the carbonate:
CaCO3 +2HIO3→Ca(IO3)2 +CO2+H2O
The monohydrate formed has limited solubility in water and can be separated by filtration.The slurry can be evaporated to increase the yield.

Safety Profile

A nuisance dust.

Purification Methods

Crystallise it from water (100mL/g at 100o and 100mL/0.1g at 0o). [Bahl & Singh J Indian Chem Soc 17 397 1940.]

Calcium iodate Preparation Products And Raw materials

Raw materials

Preparation Products


Calcium iodate Suppliers

Global( 150)Suppliers
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Hubei Langyou International Trading Co., Ltd
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View Lastest Price from Calcium iodate manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2021-04-27 Calcium iodate
7789-80-2
US $10.00 / KG 1KG 99% 10 mt Hebei Guanlang Biotechnology Co., Ltd.
2020-01-10 Calcium iodate
7789-80-2
US $9.80 / KG 1KG ≥98% 20 tons Career Henan Chemical Co

Calcium iodate Spectrum


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