Name: Potassium sodium tartrate
SKU: 304-59-6

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Basic Information

Molecular Structure:
CAS No.:	304-59-6
Name:	Potassium sodium tartrate

Formula:	C₄H₄KNaO₆
Molecular Weight:	210.16
Synonyms:	Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, monopotassium monosodiumsalt;Rochelle salt;Sodium potassium (dl)-tartrate;Sodium potassium L-tartrate;Monopotassium monosodium tartrate;Tartaric acid, monopotassium monosodium salt;Potassium sodium L(+)-tartrate;Potassium sodium tartrate anhydrous;Butanedioic acid, 2,3-dihydroxy- (theta-(theta,theta))-, monopotassium monosodium salt;Butanedioic acid, 2,3-dihydroxy- (R-(R,R))-, monopotassium monosodium salt;Butanedioic acid, 2,3-dihydroxy-, monopotassium monosodium salt;Monopotassium monosodium 2,3-dihydroxybutanedioate, (R-(R,R))-;potassium sodium (2R,3R)-2,3-dihydroxybutanedioate;Seignette salt;2,3-Dihydroxybutanedioic acid, monopotassium monosodium salt;Butanedioic acid,2,3-dihydroxy- (2R,3R)-,compounds,monopotassium monosodium salt;
EINECS:	206-156-8
Density:	1.24
Melting Point:	70-80 °C
Boiling Point:	399.3 °C at 760 mmHg
Flash Point:	209.4 °C
Solubility:	soluble
Appearance:	often supplied as a colourless aqueous solution
Hazard Symbols:	C
Risk Codes:	35
Safety:	45-37/39-26-36/37/39
Transport Information:	UN 1824 8/PG 2
PSA:	120.72000
LogP:	-4.79200

Synthetic route

: (+)-(2R,3R)-{3-Ethyl-3-[2-methoxy-6-(trimethylsilanyl)pyridin-4-yl]-oxiranyl}-methanol

: 304-59-6
Rochelle's salt

: 412046-42-5
(Z)-3-[2-methoxy-3-methoxymethoxymethyl-6-(trimethylsilanyl)pyridin-4-yl]pent-2-en-1-ol

Conditions

Conditions	Yield
With lithium aluminium tetrahydride In diethyl ether	99%

: 60-29-7
diethyl ether

: 304-59-6
Rochelle's salt

: 163267-92-3
3-butyl-2-hepten-1-ol

Conditions

Conditions	Yield
In toluene	99%

: 60-29-7
diethyl ether

: 1191-15-7
diisobutylaluminium hydride

: 304-59-6
Rochelle's salt

: 163267-92-3
3-butyl-2-hepten-1-ol

Conditions

Conditions	Yield
In toluene	99%

...Expand

: 304-59-6
Rochelle's salt

: 74240-65-6
p-(trans-5-butyl-1,3-dioxan-2-yl)benzonitrile

: p-(trans-5-butyl-1,3-dioxan-2-yl)benzaldehyde

Conditions

Conditions	Yield
With diisobutylaluminium hydride In toluene	98.3%

: 7732-18-5
water

: 304-59-6
Rochelle's salt

: 213250-62-5
methyl-2-((3R,5R)-3,5-bis(tertbutyldimethylsilyloxy)-4-methylenecyclohexylidene)acetate

: 213250-63-6
2-((3R,5R)-3,5-bis(tertbutyldimethylsilyloxy)-4-methylenecyclohexylidene)ethanol

Conditions

Conditions	Yield
With hydrogenchloride; diisobutylaluminium hydride In dichloromethane; toluene	97%
With hydrogenchloride; diisobutylaluminium hydride In dichloromethane; toluene	97%

...Expand

: 304-59-6
Rochelle's salt

: 213250-62-5
methyl-2-((3R,5R)-3,5-bis(tertbutyldimethylsilyloxy)-4-methylenecyclohexylidene)acetate

: 213250-63-6
2-((3R,5R)-3,5-bis(tertbutyldimethylsilyloxy)-4-methylenecyclohexylidene)ethanol

Conditions

Conditions	Yield
With hydrogenchloride; diisobutylaluminium hydride In dichloromethane; water; toluene	97%
With hydrogenchloride; diisobutylaluminium hydride In dichloromethane; water; toluene	97%

: [1-(Methoxy-methyl-carbamoyl)-2-(1-trityl-1H-imidazol-4-yl)-ethyl]-carbamic acid tert-butyl ester

: 304-59-6
Rochelle's salt

: [1-Formyl-2-(1-trityl-1H-imidazol-4-yl)-ethyl]-carbamic acid tert-butyl ester

Conditions

Conditions	Yield
In tetrahydrofuran; diethyl ether; water	84%

[1R-[1β(1R*,2E,4S*),[4S*],3aα,7aβ]]-Octahydro-7a -methyl-1-[1,4-dimethyl-4-[(2,24-trimethyl-1,3-dioxolan-4-yl)-2-butenyl]-4H-inden-4 -one: [1R-[1β(1R*,2E,4S*),[4S*],3aα,7aβ]]-Octahydro-7a -methyl-1-[1,4-dimethyl-4-[(2,24-trimethyl-1,3-dioxolan-4-yl)-2-butenyl]-4H-inden-4 -one

[3S-(3α,5β,Z)]-2-[2-methylene-3,5 bis-[(1,1-dimethylethyl)dimethylsilyloxy] cyclohexylidene]ethyldiphenylphosphine oxide: [3S-(3α,5β,Z)]-2-[2-methylene-3,5 bis-[(1,1-dimethylethyl)dimethylsilyloxy] cyclohexylidene]ethyldiphenylphosphine oxide

: 1α,25(S),26-trihydroxycholecalciferol

: 584-08-7
potassium carbonate

: 304-59-6
Rochelle's salt

: 1α,25S,26-trihydroxyergocalciferol

Conditions

Conditions	Yield
With n-butyllithium; potassium hydrogencarbonate In tetrahydrofuran; methanol; ethanol; hexane; dichloromethane; ethyl acetate	83%

...Expand

diisobutylaluminum hydride (Dibal-H): diisobutylaluminum hydride (Dibal-H)

: (S)-γ-pivaloyloxymethyl-γ-butyrolactone

: 75-09-2
dichloromethane

: 304-59-6
Rochelle's salt

: 145164-89-2
2-(R,S)-Hydroxy-5-(S)-(pivaloyloxymethyl)tetrahydrofuran

Conditions

Conditions	Yield
In tetrahydrofuran; methanol	82%

...Expand

: 1210-39-5
3,3-diphenyl-2-propenal

: 304-59-6
Rochelle's salt

: 4801-14-3
3,3-diphenylprop-2-en-1-ol

Conditions

Conditions	Yield
With diisobutylaluminium hydride In methanol; toluene	80%
With diisobutylaluminium hydride In methanol; toluene	80%

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Specification

The Sodium potassium tartrate, with the CAS registry number 304-59-6 and EINECS registry number 206-156-8, has the systematic name of potassium sodium 2,3-dihydroxybutanedioate. It is often supplied as a colourless aqueous solution. And the molecular formula of this chemical is C₄H₄KNaO₆.The Sodium potassium tartrate and monopotassium phosphate were the first materials discovered to exhibit piezoelectricity, and this property led to its extensive use in "crystal" gramophone (phono) pick-ups, microphones and earpieces during the post-War consumer electronics boom of the mid-20th Century. It is slightly soluble in alcohol but more completely soluble in water.

The physical properties of Potassium sodium tartrate are as followings:
(1)ACD/LogP: -1.43; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -6; (4)ACD/LogD (pH 7.4): -6; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 6; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 5; (12)Polar Surface Area: 93.06 Å²; (13)Flash Point: 209.4 °C; (14)Enthalpy of Vaporization: 75.13 kJ/mol; (15)Boiling Point: 399.3 °C at 760 mmHg; (16)Vapour Pressure: 4.93E-08 mmHg at 25°C.

Preparation of Potassium sodium tartrate:
It can be prepared by adding 0.5 mol sodium carbonate to heated solution containing 1 mol potassium bitartrate. The solution is filtered while hot. Then dried the solution to precipitate solid potassium sodium tartrate, as small crystallites.

Uses of Potassium sodium tartrate:
It is used medicinally as a laxative. And it is also used in the process of silvering mirrors. What's more, it is an ingredient of Fehling's solution, and formerly used in the determination of reducing sugars in solutions.

Uses of Potassium sodium tartrate:
You should be cautious while dealing with this chemical. It may causes severe burns. Therefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice. And in case of accident or if you feel unwell, seek medical advice immediately (show label where possible).

You can still convert the following datas into molecular structure:
(1)SMILES: [K+].[Na+].O=C([O-])C(O)C(O)C([O-])=O
(2)InChI: InChI=1/C4H6O6.K.Na/c5-1(3(7)8)2(6)4(9)10;;/h1-2,5-6H,(H,7,8)(H,9,10);;/q;2*+1/p-2
(3)InChIKey: LJCNRYVRMXRIQR-NUQVWONBAG

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