Sodium periodate
[CAS# 7790-28-5]

Identification

• Classification: Inorganic chemical industry >> Inorganic salt >> Metal halides and halides >> Metal iodide and salt
• Name: Sodium periodate
• Synonyms: Sodium metaperiodate
• Molecular Formula: NaIO₄
• Molecular Weight: 213.89
• CAS Registry Number: 7790-28-5
• EC Number: 232-197-6

Properties

• Density: 3.865
• Melting point: 300 ºC (dec.)
• Water solubility: 80 g/L (20 ºC)

Safety Data

• Hazard Symbols: O;Xn
• Risk Codes: R20/21/22;R36/37/38;R8
• Safety Description: S17;S26;S36/37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - single exposure	STOT SE	3	H335
Oxidising solids	Ox. Sol.	1	H271
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Skin corrosion	Skin Corr.	1C	H314
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Oxidising solids	Ox. Sol.	2	H272
Serious eye damage	Eye Dam.	1	H318
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	3	H311
Acute toxicity	Acute Tox.	3	H331
Oxidising solids	Ox. Sol.	3	H272
Oxidising liquids	Ox. Liq.	2	H272
Skin corrosion	Skin Corr.	1A	H314
Skin corrosion	Skin Corr.	1B	H314
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Skin corrosion	Skin Corr.	1	H314
Specific target organ toxicity - single exposure	STOT SE	3	H336
Oxidising liquids	Ox. Liq.	1	H271
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410

• Transport Information: UN 1479