Croconic acid disodium salt supplier

Name
CROCONIC ACID, DISODIUM SALT
EINECS
CAS No. 14379-00-1
Article Data4
CAS DataBase
Density g/cm³
Solubility
Melting Point >300 °C(lit.)
Formula C5H2 O5 . 2 Na
Boiling Point °Cat760mmHg
Molecular Weight 186.032
Flash Point °C
Transport Information
Appearance
Safety Safety Statements 22-24/25
WGK Germany 3
Risk Codes
Molecular Structure
Hazard Symbols
Synonyms 4-Cyclopentene-1,2,3-trione,4,5-dihydroxy-, disodium salt (8CI,9CI); Croconic acid, disodium deriv. (6CI);Sodium, [(3,4,5-trioxo-1-cyclopenten-1,2-ylene)dioxy]di- (7CI); Croconic aciddisodium salt; Disodium croconate; Sodium croconate
PSA 97.33000
LogP -1.22010

Synthetic route

: 118-76-3
rhodizonic acid

: 14379-00-1
croconic acid disodium salt

Conditions

Conditions	Yield
With sodium hydroxide

: 488-86-8
croconic acid

: 1310-73-2
sodium hydroxide

: 14379-00-1
croconic acid disodium salt

Conditions

Conditions	Yield
In water for 12h;

: 488-86-8
croconic acid

: 14379-00-1
croconic acid disodium salt

Conditions

Conditions	Yield
With sodium hydroxide In water

: 313674-46-3
1,8-bis(trans-Pt(PEt3)2NO3)anthracene

: 14379-00-1
croconic acid disodium salt

: 7732-18-5
water

: cyclobis[(1,8-bis[trans-Pt(PEt3)2]anthracene)(μ-1,2-C5O5)]*2H2O

Conditions

Conditions	Yield
In water; acetone to an acetone soln. of Pt-complex an aq. soln. of disodium salt of acid was added drop by drop with continuous stirring (15 min); ppt. was filtered, washed with acetone and water; elem. anal.;	97.8%

...Expand

: 531500-32-0
3,6-bis[trans-Pt(PEt3)2(NO3)2]phenanthrene

: 14379-00-1
croconic acid disodium salt

: 67-64-1
acetone

: cyclobis[(2,9-bis[trans-Pt(PEt3)2]phenanthrene)(μ-1,3-C5O5)]*4CH3COCH3

Conditions

Conditions	Yield
In water; acetone an aq. soln. of disodium salt of acid was added to an acetone-soln. of complex (1:1 stoichiometric ratio) at room temp.; elem. anal.;	90.1%

...Expand

: copper(II) perchlorate hexahydrate

: 14379-00-1
croconic acid disodium salt

: 7732-18-5
water

: 1539-42-0
bis[(2-pyridyl)methyl]amine

: [dicopper(II)(bis(2-pyridylmethyl)amine)2(μ1,1,2,3-croconate)(H2O)]2(perchlorate)4*2H2O

Conditions

Conditions	Yield
In water Na2C5O5 added to hot soln. of Cu salt and C12H12N3 (in equimolar amts.) in H2O, heated for 15 min on a steam-bath; filtered (celite), crystd. at room temp. for 1 wk, filtered off, washed (propan-2-ol, ether), dried in air; elem. anal.;	89%

...Expand

: copper(II) perchlorate hexahydrate

: 14379-00-1
croconic acid disodium salt

: 80049-12-3
tris[2-(1-pyrazolyl)ethyl]amine

: [dicopper(II)(tris[2-ethyl(1-pyrazolyl)]amine)2(μ-4,5-dihydroxycyclopent-4-ene-1,2,3-trionate(-2H))](perchlorate)2

Conditions

Conditions	Yield
In methanol; water Na2(C5O5) (0.25 mmol) aq. soln. added dropwise to soln. of CuClO4*6H2O (0.50 mmol) and tepza (0.50 mmol) (H2O/MeOH 1:1), heated on steam-bath for 10 min; filtered, crystd. at room temp. over 1 d, ppt. filtered off, washed with2-propanol and ether, air dried; elem. anal.;	88%

...Expand

: tetrakis(thiourea)platinum(II) dichloride

: 14379-00-1
croconic acid disodium salt

: 7732-18-5
water

: tetrakis(thiourea)platinum(II) crotonate - water (1/2.5)

Conditions

Conditions	Yield
In water Pt complex in H2O mixed with Na2C5O5 in H2O; crystd. at room temp. for 4 d, elem. anal.;	78.2%

...Expand

: 553-26-4
4,4'-bipyridine

: cadmium(II) nitrate tetrhydrate

: 14379-00-1
croconic acid disodium salt

: ([Cd2(croconate)2(4,4'-bipyridine)(H2O)]*(H2O)).infin.

Conditions

Conditions	Yield
In water High Pressure; react. Cd(NO3)2*4H2O, Na2C5O5, 4,4'-bpy, and water (2:2:2:1:3333) at 180°C for 3 days;	78%
In water High Pressure; react. Cd(NO3)2*4H2O, Na2C5O5, 4,4'-bpy, and water (2:2:1:3333) at 180°C for 3 days;	75%
In water High Pressure; react. Cd(NO3)2*4H2O, Na2C5O5, 4,4'-bpy, and water (1:1:1:3333) at 180°C for 3 days; elem. anal.;	36.29%

...Expand

: copper(II) perchlorate hexahydrate

: 105-83-9
3,3'-Diamino-N-methyldipropylamine

: 14379-00-1
croconic acid disodium salt

: [Cu2(Medpt)2(C5O5)](ClO4)2*H2O

Conditions

Conditions	Yield
With water Heating;	77%

...Expand

: cobalt(II) nitrate hexahydrate

: 2645-22-9
bis(4-pyridyl) disulfide

: 14379-00-1
croconic acid disodium salt

: 7732-18-5
water

: ([Co2(4,4'-bipyridyl disulfide)2(croconate)2(H2O)4]*(H2O)3)n

Conditions

Conditions	Yield
In methanol; water CH3OH soln. of Co(NO3)2*6H2O added to CH3OH soln. 4,4'-bipyridyl disulfide dropwise with constant stirring; aq. soln. of Na2-croconate added; stirred for 30 min; filtered; filtrate kept in CaCl2 desiccator after a few days; elem. anal.;	75%

...Expand

: 14379-00-1
croconic acid disodium salt

: silver nitrate

: [AgNa(croconate)(H2O)2](n)

Conditions

Conditions	Yield
In water Na2C5O5 dissolved in H2O added dropwise to aq. soln. of AgNO3 at room temp.; mixt. stirred for 30 min; filtered; filtrate allowed to crystallize slowly in CaCl2 dessicator; elem. anal.;	72%

: 4916-57-8
1,2-bis(4'-pyridyl)ethane

: 14379-00-1
croconic acid disodium salt

: iron(II) bromide

: 681180-54-1
[Fe(μ3-croconate)0.5(μ4-croconate)0.5(anti-1,2-bis(4-pyridyl)ethane)0.5(gauche-1,2-bis(4-pyridyl)ethane)0.5]

Conditions

Conditions	Yield
In water aq. soln. sodium croconate was added to aq. soln. FeBr2 and 1,2-bis(4-pyridyl)ethane (1:1:1) at room temp.; elem. anal.;	70%
In water FeCl2:Na2C5O5:(CH2(C5H4N))2 molar ratio = 1:1:1; slowly evapd. (several d);

...Expand

: 553-26-4
4,4'-bipyridine

: cobalt(II) nitrate hexahydrate

: 14379-00-1
croconic acid disodium salt

: 7732-18-5
water

: ([Co(4,4'-bipyridyl)(H2O)4]*croconate*(H2O)2)n

Conditions

Conditions	Yield
In methanol; water slow diffusion of CH3OH soln. of 4,4'-bipyridyl and aq. Na2-croconate over aq. Co(NO3)2*6H2O; elem. anal.;	70%

...Expand

: 553-26-4
4,4'-bipyridine

: Ammonium iron sulfate

: 14379-00-1
croconic acid disodium salt

: 7732-18-5
water

: ([Fe(4,4'-bipyridyl)(H2O)4]*croconate*(H2O)2)n

Conditions

Conditions	Yield
In methanol; water CH3OH soln. of 4,4'-bipyridyl gently poured into aq. soln. of Na2-croconate; Fe-compound in water added to soln. dropwise with constant stirring; complex sepd. out; elem. anal.;	70%

...Expand

: 4916-57-8
1,2-bis(4'-pyridyl)ethane

: manganese(II) chloride tetrahydrate

: 14379-00-1
croconic acid disodium salt

: 681180-53-0
[Mn(μ3-croconate)0.5(μ4-croconate)0.5(anti-1,2-bis(4-pyridyl)ethane)0.5(gauche-1,2-bis(4-pyridyl)ethane)0.5]

Conditions

Conditions	Yield
In water aq. soln. sodium croconate was added to aq. soln. MnCl2*4H2O and 1,2-bis(4-pyridyl)ethane (1:1:1) at room temp.; elem. anal.;	68%
In water MnCl2*4H2O:Na2C5O5:(CH2(C5H4N))2 molar ratio = 1:1:1; slowly evapd. (several d);

...Expand

: copper(II) choride dihydrate

: 14379-00-1
croconic acid disodium salt

: 85650-01-7
bis[2-(3,5-dimethyl-1H-pyrazol-1-yl)ethyl]amine

: [Cu(bis(2-(3,5-dimethylpyrazol-1-yl)ethyl)amine)(μ2-C5O5)]*4H2O

Conditions

Conditions	Yield
With water In methanol for 0.25h; Heating;	67%

...Expand

: copper(II) perchlorate hexahydrate

: 13531-52-7
N-(2-Aminoethyl)-1,3-propanediamine

: 14379-00-1
croconic acid disodium salt

: [Cu3(N-(2-aminoethyl)-1,3-propanediamine)3(μ2-C5O5)(μ3-C5O5)(H2O)](ClO4)2*1.6H2O

Conditions

Conditions	Yield
With water for 0.25h; Heating;	65%

...Expand

: tetrakis(thiourea)platinum(II) dichloride

: 14379-00-1
croconic acid disodium salt

: 67-68-5
dimethyl sulfoxide

: tetrakis(thiourea)platinum(II) crotonate - dimethylsulfoxide (1/4)

Conditions

Conditions	Yield
In water; dimethyl sulfoxide Pt complex in DMSO mixed with Na2C5O5 in H2O; crystd.(slow diffusion of CH3CN), elem. anal.;	63.3%

...Expand

: 195606-52-1
N-propanamide-N,N-bis-(2-pyridylmethyl)amine

: copper(II) perchlorate hexahydrate

: 14379-00-1
croconic acid disodium salt

: [Cu2(N-propionamide-N,N-bis(2-pyridylmethyl)amine)2(μ2-C5O5)](ClO4)2*2H2O

Conditions

Conditions	Yield
With water Heating;	62%

...Expand

: 4916-57-8
1,2-bis(4'-pyridyl)ethane

: 14379-00-1
croconic acid disodium salt

: 7646-79-9
cobalt(II) chloride

: 959698-29-4
[Co(crotonate)(1,2-bis(4-pyridyl)ethane)]

Conditions

Conditions	Yield
In water soln. of Na2C5O5 (0.1 mmol) added to soln. of CoCl2 (0.1 mmol) and (CH2(C5H4N))2 (0.1 mmol) (room temp., pH 7.97); kept (several d); elem. anal.;	43%

...Expand

: 4916-57-8
1,2-bis(4'-pyridyl)ethane

: cadmium(II) nitrate tetrhydrate

: 14379-00-1
croconic acid disodium salt

: 681180-55-2
[Cd(μ3-croconate)0.5(μ4-croconate)0.5(anti-1,2-bis(4-pyridyl)ethane)0.5(gauche-1,2-bis(4-pyridyl)ethane)0.5]

Conditions

Conditions	Yield
In water High Pressure; aq. soln. sodium croconate was added to aq. soln. Cd(NO3)2*4H2O and 1,2-bis(4-pyridyl)ethane (1:1:1) and heated at 180°C for 3 days; react. mixt. was cooled, crystals were washed with water; elem. anal.;	36%
In water High Pressure; Cd(NO3)2*4H2O:Na2C5O5:(CH2(C5H4N))2 molar ratio = 1:1:1; hydrothermal treatment (180°C, 3 d); slowly evapd. (several d);

...Expand

: samarium(III) nitrate hexahydrate

: [Cu(II)(ethylenediamine)2]Cl2

: 14379-00-1
croconic acid disodium salt

: [Cu(ethylenediamine)2][Sm2(oxalate)3(croconate)(H2O)2]·8H2O

Conditions

Conditions	Yield
With water	17%

...Expand

: copper(II) choride dihydrate

: 14379-00-1
croconic acid disodium salt

: Na2[Cu(II)(croconate)2(H2O)2]*4H2O

B: copper(II) croconate trihydrate

Conditions

Conditions	Yield
In water mixing at room temp.; slow evapn. of soln. for two weeks; elem. anal.;	A 12.62% B n/a

...Expand

: 14379-00-1
croconic acid disodium salt

: 7732-18-5
water

: nickel dichloride

: Na2[Ni(II)(croconate)2(H2O)2]*4H2O

Conditions

Conditions	Yield
In water mixing at room temp.; slow evapn. of soln. for two weeks; elem. anal.;	2.94%

...Expand

: 14379-00-1
croconic acid disodium salt

: 107817-28-7, 132898-15-8, 57013-14-6
disodium squarate

Conditions

Conditions	Yield
With oxygen In sodium hydroxide Irradiation;	100 % Spectr.
With oxygen In sodium hydroxide Kinetics; Quantum yield; Rate constant; Irradiation; influence of pH, electron acceptors and radical traps; mechanism;	100 % Spectr.

: 14379-00-1
croconic acid disodium salt

: 109-77-3
malononitrile

: C11N4O3(2-)*2Na(1+)

Conditions

Conditions	Yield
In water at 70℃; for 2h;

: cadmium(II) nitrate tetrhydrate

: 14379-00-1
croconic acid disodium salt

: cadmium croconate dihydrate

Conditions

Conditions	Yield
In water Na2C5O5 dissolved in H2O added to aq. soln. of Cd(NO3)2*4H2O with continuos stirring; solid filtered off; washed (H2O);

: 14379-00-1
croconic acid disodium salt

: 524919-12-8
[Cd(croconate)(NH3)2](n)

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: water 2: water View Scheme

: gadolinium nitrate hydrate

: 14379-00-1
croconic acid disodium salt

: 7732-18-5
water

: [GdNa(croconate)2(H2O)7]n

Conditions

Conditions	Yield
In water for 4 - 5h;

...Expand

: neodymium(III) chloride hydrate

: 14379-00-1
croconic acid disodium salt

: 7732-18-5
water

: [GdNa(croconate)2(H2O)7]n

Conditions

Conditions	Yield
In water for 4 - 5h;

...Expand

: dysprosium(III) chloride hydrate

: 14379-00-1
croconic acid disodium salt

: 7732-18-5
water

: [GdNa(croconate)2(H2O)7]n

Conditions

Conditions	Yield
In water for 4 - 5h;

...Expand

Croconic acid disodium salt Chemical Properties

Molecular Structure of Croconic acid disodium salt (CAS NO.14379-00-1):

Systematic Name: (3,4,5-Trioxo-2-sodiooxy-1-cyclopentenyl)oxysodium
Molecular Formula: C₅Na₂O₅
Molecular Weight: 186.03
CAS Registry Number: 14379-00-1
H bond acceptors: 5
H bond donors: 0
Freely Rotating Bonds: 4
Nominal Mass: 186
Average Mass: 186.03
Monoisotopic Mass: 185.954113
Melting Point: >300 °C(lit.)
SMILES: [Na]O\C1=C(/O[Na])C(=O)C(=O)C1=O
InChI: InChI=1/C5H2O5.2Na/c6-1-2(7)4(9)5(10)3(1)8;;/h6-7H;;/q;2*+1/p-2
InChIKey: OQXLFPHHAAAVKQ-NUQVWONBAW

Croconic acid disodium salt Safety Profile

Safety Information of Croconic acid disodium salt (CAS NO.14379-00-1):
Safety Statements: 22-24/25
S22:Do not breathe dust.
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3

Croconic acid disodium salt Specification

Croconic acid disodium salt (CAS NO.14379-00-1), its Synonyms are 4-Cyclopentene-1,2,3-trione,4,5-dihydroxy-, sodium salt (1:2) ; 4-Cyclopentene-1,2,3-trione,4,5-dihydroxy-, disodium salt (8CI,9CI) ; Croconic acid, disodium deriv. (6CI) ; Sodium, [(3,4,5-trioxo-1-cyclopenten-1,2-ylene)dioxy]di- (7CI) ; Disodium croconate ; Sodium croconate .

Product Name

CROCONIC ACID, DISODIUM SALT

Synthetic route

Croconic acid disodium salt Chemical Properties

Croconic acid disodium salt Safety Profile

Croconic acid disodium salt Specification

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