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523-21-7 - Rhodizonic acid disodium salt, 98% - 1,2-Dihydroxy-3,4,5,6-tetraoxocyclohexene disodium salt - Sodium rhodizonate - A16126 - Alfa Aesar

A16126 Rhodizonic acid disodium salt, 98%

CAS Number
523-21-7
Synonyms
1,2-Dihydroxy-3,4,5,6-tetraoxocyclohexene disodium salt
Sodium rhodizonate

Size Price ($) Quantity Availability
5g 30.87
25g 146.70
100g 495.20
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Rhodizonic acid disodium salt, 98%

MDL
MFCD00001650
EINECS
208-340-3

Chemical Properties

Formula
C6Na2O6
Formula Weight
214.04
Melting point
>300°
Solubility
Soluble in water.

Applications

Determining sulfate radical by barium chloride titration with rhodizonic acid disodium salt test paper as indicator has been established. Staining of thin sections for quick identification of quartz, potash feldspar and plagioclase is usually done with sodium hexanitrocobaltate (III) and rhodizonic acid disodium salt. N-allyl-N?-(sodium p-phenyl-sulfonate)thiourea is used for eliminating the interference of Ag +?Au 3+?Hg 2+in the identification of Sr 2+ using Rhodizonic acid disodium salt.

Notes

Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents.

Literature References

authors. Staining of albite. Geologiska Föreningen i Stockholm Förhandlingar. 1980, 101 (4), 357-358.

MA Wan-shan,; LIU De-gong,; YUAN Hong-mei,; HAN Jiao-li .The sheltering function of N-allyl-N?-(sodium pWT4HZ-phenyl-sulfonate) thiourea in the identification of Sr 2+. ournal of Xinyang Teachers College. 2000.

Titration indicator for Ba.

Other References

Merck
14,8670
Beilstein
5181379
Harmonized Tariff Code
2914.40
TSCA
No

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