English Safety Data Sheet Database 中文版 MSDS

Calcium iodate

CAS No. 7789-80-2 | PubChem CID 24619
Section 1. Identification
Chemical NameCalcium iodate CAS No.7789-80-2
Synonymslautarite;calciumiodatemo-nohydrate; calciumiodate Chinese Name碘酸钙
Molecular FormulaCa(IO3)2·H2O Molecular Weight407.90
UN No.1479 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word DANGER
Pictograms GHS03 · Oxidizer GHS05 · Corrosive GHS07 · Irritant GHS08 · Health Hazard
Hazard Statements H272H302H314H315H319H335H371
Precautionary Statements P210P220P260P261P264P264+P265P270P271P280P301+P317P301+P330+P331P302+P352P302+P361+P354P304+P340P305+P351+P338P305+P354+P338P316P319P321P330P332+P317P337+P317P362+P364P363P370+P378P403+P233P405P501P308+P316

Section 2. Hazards Identification

H272 (77.3%): May intensify fire; oxidizer [Danger Oxidizing liquids; Oxidizing solids]

H302 (23.6%): Harmful if swallowed [Warning Acute toxicity, oral]

H314 (19.5%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

H315 (70.9%): Causes skin irritation [Warning Skin corrosion/irritation]

H319 (70.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H335 (70.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

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.

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

H302: Harmful if swallowed [Warning Acute toxicity, oral]

H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]

P260, P264, P270, P301+P317, P308+P316, P330, P405, and P501 (click each P-code to see the statement)

Section 6. Accidental Release Measures

SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

Section 9. Physical and Chemical Properties

Colorless or white odorless solid; [HSDB] Off-white powder; [MSDSonline]

Monoclinic-prismatic crystals

COLORLESS

White crystals or powder

ODORLESS

540 °C (decomposes)

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

4.519 @ 15 °C/4 °C

STABLE UP TO 540 °C

Decomposes on heating.

Sensitive to reducing agents

Decomposes at 540 °C; Oxidizer

Orthorhombic crystals /Hexahydrate/

Cubic crystals /Monohydrate/

Other Uses -> Food Additives

DOUGH STRENGTHENER, FLOUR TREATING AGENT, NUTRIENT SUPPLEMENT, PROCESSING AID -> FDA Substance added to food

Section 13. Disposal Considerations

SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

Source: PubChem CID 24619 (NIH/NLM, public domain). Retrieved from PubChem, a public-domain chemistry database maintained by the U.S. National Library of Medicine. Last updated: 2026-08-02 08:54:51.
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.