CAS No.7790-21-8,Periodic acid (HIO4),potassium salt (1:1) Suppliers,MSDS download

Detail of "7790-21-8"

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CAS Number:

7790-21-8

Name:

Periodic acid (HIO₄),potassium salt (1:1)

Superlist Name:

Potassium periodate

Molecular Structure:

Formula:

HIO₄.K

Molecular Weight:

230.00

Deleted CAS:

11128-53-3,26139-25-3

Synonyms:

Periodicacid (HIO₄), potassium salt (8Cl,9Cl);Potassium periodate (KIO₄) (6Cl);Potassium iodate (KIO₄);Potassium metaperiodate;

EINECS:

232-196-0

Density:

3.618 g/cm³

Melting Point:

582 °C, 855 K, 1080 °F

Solubility:

Water: 0.42 g/100 mL (20 °C)

Appearance:

White powder

Hazard Symbols:

Risk Codes:

8-36/37/38

Safety:

17-26-36-37/39 Details

Transport Information:

UN 1479 5.1/PG 2

Reference

The heat capacity of potassium metaperiodate (KIO4) from 8: The heat capacity of potassium metaperiodate (KIO4) from 8.0 to 309 K. Staveley, L. A. K.; Weir, R. D. (Inorg. Chem. Lab.There are some reagents like 7790-21-8 is used in this study., Univ. Oxford, Oxford OX1 3QR, UK). J. Chem. Thermodyn., 16(2), 165-70 (English) 1984. CODEN: JCTDAF. ISSN: 0021-9614. DOCUMENT TYPE: Journal CA Section: 69 (Thermodynamics, Thermochemistry, and Thermal Properties) The heat capacity of the scheelite salt, KIO4, was measured at 8.0-309 K without detection of a phase transition. A small reproducible peak was found around 264 K, which is attributed to fusion of H2O trapped in the lattice. An attempt was made to calc. the normal heat capacity vs temp. curve by using spectroscopic information available for the crystal. The difference between the exptl. and calcd. values increased from 1% at 100 K to about 4% at 300 K, which is within the uncertainty caused by est. of the librational contribution. .

The study of luminol-H2O2-IO4--S2- chemiluminescence system and its application: The study of luminol-H2O2-IO4--S2- chemiluminescence system and its application. Li, Shaoqing (Xian Coll. Geol., Xian 710054, Peop. Rep. China).Chemicals with cas numbers 7722-84-1 and 7790-21-8 also play role. Chin. Chem. Lett., 2(9), 701-2 (English) 1991. CODEN: CCLEE7. DOCUMENT TYPE: Journal CA Section: 79 (Inorganic Analytical Chemistry) Section cross-reference(s): 61 A new chemiluminescence system i.e. luminol-H2O2-IO4- catalyzed by sulfide ion (S2-) is reported. A new chemiluminescence (CL) method for the detn. of trace S2- is thereby proposed. The detection limit is 0.2 mg/L S2-, the linear dynamic range is 5 mg to 100 mg/L S22 and the variation coeff. for 10 mg/L S2- is 4.5% (n = 10). The method has been satisfactory applied to the detn. of trace sulfide ion in water. .

Detail of "7790-21-8"

Periodic acid (HIO₄),potassium salt (1:1)

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Reference