Sodium rhodizonate

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Sodium rhodizonate

Product Name: Sodium rhodizonate
CAS No.: 523-21-7
Chemical Name: Sodium rhodizonate
Synonyms: RHODIZONIC ACID DISODIUM SALT;3,4,5,6-TETRAOXOCYCLOHEXENE-1,2-DIOL DISODIUM SALT;DISODIUM RHODIZONATE;RHODIZONIC ACID SODIUM SALT;Sodium roseate;Sodium rhodizote;Sodiumrhodizmate;Sodium roselonate;SODIUM RHODIZONATE;SodiumRhodizonateGr
CBNumber: CB3134496
Molecular Formula: C6Na2O6
Formula Weight: 214.04
MOL File: 523-21-7.mol

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Sodium rhodizonate Property

Melting point:: 300 °C
storage temp.: Store at +15°C to +25°C.
form: Fine Crystalline Powder
color: Green-gray to dark green
Water Solubility: Soluble in water.
Merck: 14,8670
BRN: 5181379
Stability:: Stable. Incompatible with strong oxidizing agents.
InChIKey: SXWPCWBFJXDMAI-UHFFFAOYSA-L
CAS DataBase Reference: 523-21-7(CAS DataBase Reference)

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Safety

Safety Statements: 24/25
WGK Germany: 3
HS Code: 29144090

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: R1609
Product name: Sodium rhodizonate dibasic
Purity: 97%
Packaging: 5g
Price: $48.7
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.06595
Product name: Rhodizonic acid disodium salt
Purity: indicator for sulfate titration
Packaging: 5G
Price: $225
Updated: 2024/03/01

TCI Chemical

Product number: R0019
Product name: Disodium Rhodizonate
Purity: >90.0%(T)
Packaging: 1g
Price: $43
Updated: 2024/03/01

TCI Chemical

Product number: R0019
Product name: Disodium Rhodizonate
Purity: >90.0%(T)
Packaging: 25g
Price: $433
Updated: 2024/03/01

Alfa Aesar

Product number: A16126
Product name: Rhodizonic acid disodium salt, 98%
Packaging: 5g
Price: $42
Updated: 2023/06/20

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Sodium rhodizonate Chemical Properties,Usage,Production

Chemical Properties

dark green powder

Uses

Sodium rhodizonate dibasic can be employed as a reactant in the synthesis of:

Dihydroxyquinone carbonate by cyclocondensation reaction with phosgene.
Zwitterionic systems by condensation of heteroaryl-boronic acids.

Uses

As a reagent for barium and strontium.

Purification Methods

The free acid is obtained by acidifiying and extracting with Et2O, drying (MgSO4), filtering, evaporating and distilling in a vacuum (b 155-160o/14mm). The free acid solidifies on cooling, and the colourless crystals can be recrystallised from tetrahydrofuran/pet ether or *C6H6. It forms a dihydrate m 130-140o. The pure di Na salt is formed by dissolving the acid in 2 equivalents of NaOH and evaporating in a vacuum. It forms violet crystals which give an orange solution in H2O that is unstable for extended periods even at 0o, and should be prepared freshly before use. Salts of rhodizonic acid cannot be purified by recrystallisation without great loss due to conversion to crotonate, so that the original material must be prepared anew if pure salt is required. It can be washed with NaOAc solution, then EtOH, to remove excess NaOAc, dried under vacuum and stored in the dark. [UV and tautomerism: Schwarzenbach & Suter Helv Chim Acta 24 617 1941, Polarography: Preisler & Berger J Am Chem Soc 64 67 1942, Souchay & Taibouet J Chim Phys 49 C108 1952, Beilstein 8 H 535, 8 II 572, 8 III 4214, 8 IV 3609.]

Sodium rhodizonate Preparation Products And Raw materials

Raw materials

Preparation Products

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Sodium rhodizonate Suppliers

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View Lastest Price from Sodium rhodizonate manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD

Product: Sodium rhodizonate 523-21-7
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%min
Supply Ability: 100kg
Release date: 2022-10-12

Hebei Weibang Biotechnology Co., Ltd

Product: Sodium rhodizonate 523-21-7
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20 mt
Release date: 2024-11-19

Hebei Chuanghai Biotechnology Co,.LTD

Product: Sodium Rhodizonate 523-21-7
Price: US $10.70/KG
Min. Order: 10KG
Purity: 99%
Supply Ability: 10000kg
Release date: 2024-08-13

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DISODIUM RHODIZONATE

5,6-DIHYDROXY-5-CYCLOHEXENE-1,2,3,4-TETRONE DISODIUM SALT

3,4,5,6-TETRAOXOCYCLOHEXENE-1,2-DIOL DISODIUM SALT

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SODIUM RHODIZONATE

SODIUM RHODIZONATE DIBASIC

2,3,4-tetrone,5,6-dihydroxy-5-cyclohexene-disodiumsalt

5-Cyclohexene-1,2,3,4-tetrone,5,6-dihydroxy-,disodiumsalt

5,6-Di(sodiooxy)-5-cyclohexene-1,2,3,4-tetrone

Rhodizonic acid sodium

Rhodizonic acid, disodium salt,98%

Sodium rhodizonate, indicator for metal titration, reagent grade

Sodium rhodizonate dibasic,3,4,5,6-Tetraoxocyclohexene-1,2-diol disodium salt, Rhodizonic acid disodium salt

Rhodizonic acid disodium salt p.a.

Rhodizonic acid sodi

Rhodizonic Acid Disodium Salt Sodium Rhodizonate 3,4,5,6-Tetraoxocyclohexene-1,2-diol Disodium Salt

RHODIZONIC ACID DISODIUM SALT INDICATOR

SodiuM 3,4,5,6-tetraoxocyclohex-1-ene-1,2-bis(olate)

3,4,5,6-Tetraoxocyclohexene-1,2-diol Disodium Salt Sodium Rhodizonate Disodium Rhodizonate

Sodium rhodizote

Rhodizonic acid disodium salt indicator for sulfate titration

Sodium rhodizonate dibasic 97%

Sodiumrhodizmate

1,2-Dihydroxy-3,4,5,6-tetraoxocyclohexene disodium salt

disodium 3,4,5,6-tetraoxocyclohex-1-en-1,2-ylene dioxide

RHODIZONIC ACID DISODIUM SALT 97%

SodiumRhodizonateGr-(RhodizonicAcidSodiumSalt)

SodiumRhodizonateGr

SODIUM RHODIAZONATE

Rhodizonic acid, disodium deriv.

5,6-Bis(sodiooxy)-5-cyclohexene-1,2,3,4-tetrone

SODIUM RHODOZINATE extrapure AR

3,4,5,6-Tetraoxocyclohexene-1,2-diol disodium salt, Rhodizonic acid disodium salt

Rose Red Sodium test solution(ChP)

5-Cyclohexene-1,2,3,4-tetrone,5,6-dihydroxy-, sodium salt (1:2)

Disodium Rhodizonate &gt

Rose Bengal Sodium Test Solution

Sodium rhodizonate AR 1GM

Sodium rhodizonate AR 5GM

Sodium rhodizonate, GR 99%+

523-21-7 Sodium rhodizonate

Sodium Rhodizonate Dibasic extrapure AR, 99%

Rose Red sodium test solution

Sodium rhodizonate,Rhodizonic acid,disodium salt

Sodium roselonate

Rhodizonic acid disodium

Sodium roseate

523-21-7

523-31-7

OCCO3CONaCONa

C6O6Na2

C6Na2O6

Na2C6O6

C6H6Na2

Metal Titration Indicators