Potassium sodium tartrate

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Potassium sodium tartrate

Product Name: Potassium sodium tartrate
CAS No.: 304-59-6
Chemical Name: Potassium sodium tartrate
Synonyms: SODIUM POTASSIUM TARTRATE;Potassium sodium tartarate;ROCHELLE SALTS;Rochelle's salt;potassium sodium tartrate solution;FEHLING SOLUTION B;D-Potassiumsodiumtartrate;C4O6H2KNa;ALKALINE TARTRATE;FEHLING B SOLUTION
CBNumber: CB6690997
Molecular Formula: C4H4KNaO6
Formula Weight: 210.16
MOL File: 304-59-6.mol

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Potassium sodium tartrate Property

Melting point:: 70~80℃
Boiling point:: 100 °C
Density: 1.24
vapor pressure: 0Pa at 25℃
storage temp.: Room Temperature
solubility: Methanol, Water
form: Liquid
color: Clear Colorless
PH: 7.0-8.5 (25℃, 1.5M in H2O)
optical activity: [α]20/D +22±1°, c = 1% in H2O
Water Solubility: g anhydrous/100 g H2O: 31.9 (0°C), 67.8 (20°C), 102 (30°C) [LAN05]; slightly soluble alcohol [MER06]
λmax: λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.025
LogP: -1.080 (est)
CAS DataBase Reference: 304-59-6(CAS DataBase Reference)
EPA Substance Registry System: Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, monopotassium monosodium salt (304-59-6)

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Safety

Hazard Codes
Risk Statements
Safety Statements
WGK Germany: WGK 3
Hazardous Substances Data: 304-59-6(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 81028
Product name: Potassium sodium tartrate solution
Purity: BioUltra, 1.5?M in H2O
Packaging: 100ML
Price: $83.7
Updated: 2024/03/01

Sigma-Aldrich

Product number: 81028
Product name: Potassium sodium tartrate solution
Purity: BioUltra, 1.5?M in H2O
Packaging: 500ML
Price: $305
Updated: 2024/03/01

TRC

Product number: P698713
Product name: PotassiumSodiumTartrate(1.5MSolutioninWater)
Packaging: 50ml
Price: $120
Updated: 2021/12/16

TRC

Product number: P698713
Product name: PotassiumSodiumTartrate(1.5MSolutioninWater)
Packaging: 100ml
Price: $215
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CCH0007339
Product name: POTASSIUM SODIUM (+)-TARTRATE
Purity: 95.00%
Packaging: 5MG
Price: $499.05
Updated: 2021/12/16

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Potassium sodium tartrate Chemical Properties,Usage,Production

Description

Potassium sodium tartrate is a double salt first prepared (in about 1675) by an apothecary, Pierre Seignette, of La Rochelle, France. As a result the salt was known as Seignette's salt or Rochelle salt. Rochelle salt is not to be confused with rock salt, which is simply the mineral form of sodium chloride. Potassium sodium tartrate and mono potassium phosphate were the first materials discovered to exhibit piezo electricity.
It is a colorless to blue - white salt crystallizing in the orthorhombic system. Its molecular formula is KNaC₄H₄O₆·4H₂O. It is slightly soluble in alcohol but more completely soluble in water. It has a specific gravity of about 1.79, a melting point of approximately 75°C, and has a saline, cooling taste. As a food additive, its E number is E337.
It has been used medicinally as a laxative. It has also been used in the process of silvering mirrors. It is an ingredient of Fehling's solution, formerly used in the determination of reducing sugars in solutions.

Chemical Properties

often supplied as a colourless aqueous solution

Uses

Laxative.

Uses

Sodium Potassium Tartrate is a buffer and sequestrant that is the salt of i, (+)–tartaric acid. It has a solubility in water of 1 g in 1 ml. It is also termed rochelle salt and potassium sodium tartrate.

Uses

Potassium Sodium Tartrate Solution is a chelator used for research purposes.

Preparation

Potassium sodium tartrate, (KNaC₄H₄O₆) may be prepared by adding 0.5 mole sodium carbonate to heated solution containing 1 mole potassium bitartrate(KHC₄H₅O₆). (1M KHC₄H₄O₆ : 0.5M Na₂CO₃). The solution is filtered while hot. This solution is then dried to precipitate solid potassium sodium tartrate, as small crystallites.
Larger crystals of Rochelle salt have been grown under conditions of reduced gravity and convection on board Skylab .

Definition

ChEBI: The organic sodium and potassium salt of L-tartaric acid (mol ratio 1:1:1).

Flammability and Explosibility

Not classified

Purification Methods

Recrystallise it from distilled water (1.5mL/g) by cooling to 0o. [Beilstein 3 IV 1223.]

Potassium sodium tartrate Preparation Products And Raw materials

Raw materials

Potassium hydroxide CIS-BUTENEDIOIC ANHYDRIDE Potassium bicarbonate Hydrogen peroxide Potassium carbonate DL-Tartaric acid Sodium hydroxide Sodium carbonate

Preparation Products

Sulfur Sodium thiocyanate Sodium thiosulfate Sulphur Sodium thiosulfate pentahydrate Ammonia

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View Lastest Price from Potassium sodium tartrate manufacturers

airuikechemical co., ltd.

Product: Potassium sodium tartrate 304-59-6
Price: US $0.00-0.00/Kg
Min. Order: 1Kg
Purity: 99.9%
Supply Ability: 200tons
Release date: 2024-04-08

Hebei Guanlang Biotechnology Co,.LTD

Product: Potassium Sodium Tartrate 304-59-6
Price: US $10.00/Kg/Drum
Min. Order: 1KG
Purity: 98%
Supply Ability: 10 ton
Release date: 2021-07-07

Hebei Guanlang Biotechnology Co., Ltd.

Product: Potassium sodium tartrate 304-59-6
Price: US $10.00-8.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2022-09-23

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Rochelle's salt

C4O6H2KNa

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sodiumpotassium(dl)-tartrate

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FEHLING'S SOLUTION NO 2

FEHLING-SOXHLET SOLUTION B (ALKALI)

FEHLING'S REAGENT II

FEHLING'S REAGENT II FOR SUGARS

FEHLINGS SOLUTION, ALKALINE B

FEHLING'S SOLUTION B

FEHLING B SOLUTION

FEHLING SOLUTION B

ALKALINE TARTRATE

ALKALINE TARTRATE SOLUTION B

ALKALINE POTASSIUM SODIUM TARTRATE

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Potassium sodium tartrate,Potassium sodium tartrate tetrahydrate

304-59-6

C4H4KNaO6

KNaC4H4O6

NaOOCCHOH2COOK4H2O

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