Product Name

  • Name

    Sodium citrate

  • EINECS 200-675-3
  • CAS No. 68-04-2
  • Density 1.008 g/mL at 20 °C
  • Solubility Soluble in water.
  • Melting Point 300 °C
  • Formula C6H5Na3O7
  • Boiling Point 309.6 °C at 760 mmHg
  • Molecular Weight 258.071
  • Flash Point 155.2 °C
  • Transport Information
  • Appearance white to off-white crystalline powder
  • Safety 36-24/25
  • Risk Codes 22-40-48/20/22
  • Molecular Structure Molecular Structure of 68-04-2 (Sodium citrate)
  • Hazard Symbols Xi,C
  • Synonyms 1,2,3-Propanetricarboxylicacid, 2-hydroxy-, trisodium salt (9CI);Citric acid, trisodium salt (8CI);Sodiumcitrate (Na3C6H5O7) (7CI);331iii;Citnatin;Citra-lock;Citreme;Citrosodina;Citrosodine;Cystemme;Ional;Natrocitral;Sodium citrateanhydrous;Trisodium citrate;Unifine P 3;
  • PSA 140.62000
  • LogP -5.25260

Synthetic route

sodium carbonate
497-19-8

sodium carbonate

sodium citrate
68-04-2

sodium citrate

Conditions
ConditionsYield
With lemon juice fermenting; clearing by CuSO4 and Na4(Fe(CN)6); filtration; adding soda up to wakly alkaline soln.; evapn.; crystn. of 80%; further 15% of product by pptn. of Ca(2+) by Na2CO3;;80%
zinc citrate

zinc citrate

sodium citrate
68-04-2

sodium citrate

Conditions
ConditionsYield
With sodium sulfide
sodium phosphate

sodium phosphate

calcium(II) citrate

calcium(II) citrate

sodium citrate
68-04-2

sodium citrate

Conditions
ConditionsYield
In ammonia dissoln. of finely powd. Ca citrate (from lemon juice and Ca(OH)2) in H2O containing NH3; addn. of Na3PO4 with vigorous stirring at temp. <30°C; filtration; evapn.; crystn.;;
disodium hydrogen citrate

disodium hydrogen citrate

sodium hydroxide
1310-73-2

sodium hydroxide

sodium citrate
68-04-2

sodium citrate

Conditions
ConditionsYield
In sodium hydroxide byproducts: H2O;
In sodium hydroxide byproducts: H2O;
citric acid
77-92-9

citric acid

sodium hydroxide
1310-73-2

sodium hydroxide

sodium citrate
68-04-2

sodium citrate

Conditions
ConditionsYield
In sodium hydroxide neutralization;;
byproducts: H2O;
In sodium hydroxide byproducts: H2O;
zinc citrate
5990-32-9

zinc citrate

sodiumsulfide nonahydrate

sodiumsulfide nonahydrate

sodium citrate
68-04-2

sodium citrate

Conditions
ConditionsYield
In water
In water
sodium carbonate
497-19-8

sodium carbonate

calcium(II) citrate

calcium(II) citrate

sodium citrate
68-04-2

sodium citrate

sodium hydrogen sulfate
7681-38-1

sodium hydrogen sulfate

calcium(II) citrate

calcium(II) citrate

sodium citrate
68-04-2

sodium citrate

Conditions
ConditionsYield
In ammonia dissoln. of finely powd. Ca citrate (from lemon juice and Ca(OH)2) in H2O containing NH3; addn. of NaHSO4 with vigorous stirring at temp. <30°C; filtration; evapn.; crystn.;;
sodium sulfate
7757-82-6

sodium sulfate

calcium(II) citrate

calcium(II) citrate

sodium citrate
68-04-2

sodium citrate

Conditions
ConditionsYield
In ammonia dissoln. of finely powd. Ca citrate (from lemon juice and Ca(OH)2) in H2O containing NH3; addn. of Na2SO4 with vigorous stirring at temp. <30°C; filtration; evapn.; crystn.;;
calcium
7440-70-2

calcium

sodium citrate
68-04-2

sodium citrate

Conditions
ConditionsYield
With urea In Na-Ac
sodium citrate
68-04-2

sodium citrate

micafungin sodium

micafungin sodium

Conditions
ConditionsYield
In water99.5%
sodium citrate
68-04-2

sodium citrate

chloroacetic acid ethyl ester
105-39-5

chloroacetic acid ethyl ester

triethoxycarbonylmethyl citrate

triethoxycarbonylmethyl citrate

Conditions
ConditionsYield
With triethylamine In toluene at 110℃; under 397.54 Torr; for 17h; Heating / reflux;91.5%
sodium citrate
68-04-2

sodium citrate

benzyl alcohol
100-51-6

benzyl alcohol

tribenzyl citrate
631-25-4

tribenzyl citrate

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene Inert atmosphere; Reflux;88%
benzyl bromide
100-39-0

benzyl bromide

sodium citrate
68-04-2

sodium citrate

tribenzyl citrate
631-25-4

tribenzyl citrate

Conditions
ConditionsYield
Stage #1: benzyl bromide; sodium citrate With tetrabutylammomium bromide In N,N-dimethyl-formamide at 80℃; for 8h;
Stage #2: With triethylamine In N,N-dimethyl-formamide for 2h; Reagent/catalyst;
85%
C31H49ClO4

C31H49ClO4

sodium citrate
68-04-2

sodium citrate

C99H152O19

C99H152O19

Conditions
ConditionsYield
With triethylamine In cyclohexene at 80℃; for 5h;82%
sodium citrate
68-04-2

sodium citrate

strontium(II) citrate

strontium(II) citrate

Conditions
ConditionsYield
With strontium (III) chloride hexahydrate; water at 100℃; for 0.5h;79%
sodium citrate
68-04-2

sodium citrate

ferric citrate
2338-05-8

ferric citrate

Conditions
ConditionsYield
With iron(III) chloride hexahydrate In water at 80 - 90℃; for 1h;78%
4-amino-1,2,4-triazole
584-13-4

4-amino-1,2,4-triazole

copper(II) nitrate hexahydrate

copper(II) nitrate hexahydrate

water
7732-18-5

water

sodium citrate
68-04-2

sodium citrate

[Cu2(4-amino-1,2,4-triazole)2(H2O)2(citrate)]n

[Cu2(4-amino-1,2,4-triazole)2(H2O)2(citrate)]n

Conditions
ConditionsYield
With triethylamine In methanol at 100℃; for 96h; High pressure; Autoclave;67%
4-Methoxybenzyl (6R,7R)-7-[2-(2-aminothiazol-4-yl)-2-(Z)-methoxyiminoacetamido]-3-[(R)-tetrahydrofuran-2-yl]-ceph-3-em-4-carboxylate
141061-25-8

4-Methoxybenzyl (6R,7R)-7-[2-(2-aminothiazol-4-yl)-2-(Z)-methoxyiminoacetamido]-3-[(R)-tetrahydrofuran-2-yl]-ceph-3-em-4-carboxylate

sodium citrate
68-04-2

sodium citrate

sodium (6R,7R)-7-[2-(2-aminothiazol-4-yl)-2-(Z)-methoxy-iminoacetamido]-3-[(R)-tetrahydrofuran-2-yl]ceph-3-em-4-carboxylate
141195-78-0

sodium (6R,7R)-7-[2-(2-aminothiazol-4-yl)-2-(Z)-methoxy-iminoacetamido]-3-[(R)-tetrahydrofuran-2-yl]ceph-3-em-4-carboxylate

Conditions
ConditionsYield
aluminium chloride In dichloromethane; water; methoxybenzene64%
Gd(3+)*5Cu(2+)*11H2O*5C2H4N2O2(2-)*3NO3(1-)

Gd(3+)*5Cu(2+)*11H2O*5C2H4N2O2(2-)*3NO3(1-)

sodium citrate
68-04-2

sodium citrate

[GdCu5(glycinehydroxamate)5(citrate)(H2O)4]·7H2O

[GdCu5(glycinehydroxamate)5(citrate)(H2O)4]·7H2O

Conditions
ConditionsYield
With N,N-dimethyl-formamide In water Heating;57%
4-amino-1,2,4-triazole
584-13-4

4-amino-1,2,4-triazole

water
7732-18-5

water

copper(II) acetate monohydrate
6046-93-1

copper(II) acetate monohydrate

sodium citrate
68-04-2

sodium citrate

{[Cu4(4-amino-1,2,4-triazole)2(H2O)3(citrate)2]*3H2O}n

{[Cu4(4-amino-1,2,4-triazole)2(H2O)3(citrate)2]*3H2O}n

Conditions
ConditionsYield
at 100℃; for 96h; High pressure; Autoclave;50%
4-amino-1,2,4-triazole
584-13-4

4-amino-1,2,4-triazole

copper(II) nitrate hexahydrate

copper(II) nitrate hexahydrate

water
7732-18-5

water

sodium citrate
68-04-2

sodium citrate

{[Cu2(4-amino-1,2,4-triazole)(H2O)3.25(citrate)]H2O}n

{[Cu2(4-amino-1,2,4-triazole)(H2O)3.25(citrate)]H2O}n

Conditions
ConditionsYield
With lithium hydroxide In methanol at 100℃; for 96h; High pressure; Autoclave;50%
2,3-diamino-3-(ethylthio)acrylonitrile

2,3-diamino-3-(ethylthio)acrylonitrile

sodium citrate
68-04-2

sodium citrate

3,6-diaminopyrazine-2,5-dicarbonitrile
133940-72-4

3,6-diaminopyrazine-2,5-dicarbonitrile

Conditions
ConditionsYield
With citric acid In 1,2-dimethoxyethane; water48.7%
iron(II) sulfate hexahydrate

iron(II) sulfate hexahydrate

aqueous cadmium chloride

aqueous cadmium chloride

water
7732-18-5

water

sodium citrate
68-04-2

sodium citrate

[FeCd2(citrate)2(H2O)2]

[FeCd2(citrate)2(H2O)2]

Conditions
ConditionsYield
With aq. HCl In ethanol; water High Pressure; tri-sodium citrate dissolved in EtOH/H2O with stirring; aq. solns. of FeSO4*6H2O and CdCl2*2.5H2O added into first soln. with stirring and pH value adjusted to 5 with aq. HCl; mixt. placed in Teflon-lined reactor andheated at 140°C for 5 d; elem. anal.;35%
aqueous cadmium chloride

aqueous cadmium chloride

water
7732-18-5

water

sodium citrate
68-04-2

sodium citrate

[Cd3(citrato)2(H2O)2]n

[Cd3(citrato)2(H2O)2]n

Conditions
ConditionsYield
With aq. HCl; NaSCN In ethanol; water High Pressure; tri-sodium citrate and NaSCN dissolved in H2O/Et and aq. CdCl2*2.5H2O added with stirring; pH value adjusted to 5 with aq. HCl; mixt. placed inTeflon-lined reactor and heated at 140°C for 5 d; elem. anal.;20%
lead(II) nitrate

lead(II) nitrate

water
7732-18-5

water

sodium citrate
68-04-2

sodium citrate

Na(H2O)3[Pb5(citric acid-3H)3(citric acid-2H)(H2O)3]*9.5H2O

Na(H2O)3[Pb5(citric acid-3H)3(citric acid-2H)(H2O)3]*9.5H2O

Conditions
ConditionsYield
With HCl In water Pb(NO3)2 (0.172 mmol) and Na3(C6H6O7) (3.88 mmol) dissolved; pH adjustedto 4.5 with 2.0 M HCl; kept 2 wk; elem. anal.; TGA;20%
Iron(III) nitrate nonahydrate

Iron(III) nitrate nonahydrate

potassium hexafluorozirconate

potassium hexafluorozirconate

water
7732-18-5

water

sodium citrate
68-04-2

sodium citrate

[Fe6O2Zr2F6(citrate)4(H2O)10]·24H2O

[Fe6O2Zr2F6(citrate)4(H2O)10]·24H2O

Conditions
ConditionsYield
for 240 - 336h;15%
sodium citrate
68-04-2

sodium citrate

1,1,3,3-tetraiodo-propan-2-one
2956-91-4

1,1,3,3-tetraiodo-propan-2-one

Conditions
ConditionsYield
With manganese (II)-salt; water; iodine Irradiation;
sodium citrate
68-04-2

sodium citrate

A

1,1,3,3-tetraiodo-propan-2-one
2956-91-4

1,1,3,3-tetraiodo-propan-2-one

B

hexaiodo-acetone

hexaiodo-acetone

Conditions
ConditionsYield
With cerium salt; water; iodine Irradiation;
With chromium salt; water; iodine Irradiation;
With iron salt; water; iodine Irradiation;
sodium citrate
68-04-2

sodium citrate

(S)-Malic acid
97-67-6

(S)-Malic acid

Conditions
ConditionsYield
With bacterium succinicum
sodium citrate
68-04-2

sodium citrate

L-glutamic acid
56-86-0

L-glutamic acid

Conditions
ConditionsYield
With ammonium chloride mit Hilfe von Enzym-Systemen aus Saccharomyces cerevisiae oder Brevibacterium flavum;
sodium citrate
68-04-2

sodium citrate

trans-acotinic acid
4023-65-8

trans-acotinic acid

Conditions
ConditionsYield
With bacterium succinicum
Conditions
ConditionsYield
With water; calcium chloride at 60℃;
Conditions
ConditionsYield
With water; calcium chloride Faellen mit Alkohol;
sodium citrate
68-04-2

sodium citrate

citric acid ; strontium citrate
95347-86-7

citric acid ; strontium citrate

Conditions
ConditionsYield
With water; strontium chloride at 25℃;
sodium citrate
68-04-2

sodium citrate

strontium citrate monohydrate
95347-86-7

strontium citrate monohydrate

Conditions
ConditionsYield
With water; strontium chloride bei Siedetemperatur;
sodium citrate
68-04-2

sodium citrate

calcium-citrate(3-) complex
77402-64-3, 779989-66-1

calcium-citrate(3-) complex

Conditions
ConditionsYield
With calcium chloride at 17.9℃; Thermodynamic data; pH above 8.0; ΔG0, ΔH0, ΔS0, ΔCP0;
2,4,5-Trimethoxy-2-methyl-tetrahydro-furan
98560-91-9

2,4,5-Trimethoxy-2-methyl-tetrahydro-furan

hydrogenchloride
7647-01-0

hydrogenchloride

acetonedicarboxylic acid
542-05-2

acetonedicarboxylic acid

methylamine hydrochloride
593-51-1

methylamine hydrochloride

sodium citrate
68-04-2

sodium citrate

6exo-methoxy-1-methyl-tropan-3-one

6exo-methoxy-1-methyl-tropan-3-one

Sodium Citrate Chemical Properties

Molecular Structure:

Molecular Formula: C6H5Na3O7
Molecular Weight: 258.069
IUPAC Name: Trisodium 2-hydroxypropane-1,2,3-tricarboxylate
Synonyms of Sodium Citrate (CAS NO.68-04-2): 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, trisodium salt ; CCRIS 3293 ; Citnatin ; Citreme ; Citric acid, trisodium salt ; Citrosodina ; Citrosodine ; Citrosodna ; EINECS 200-675-3 ; FEMA No. 3026 ; HSDB 5201 ; Natrocitral ; Sodium citrate (Na3C6H5O7) ; Sodium citrate anhydrous ; Trisodium 2-hydroxy-1,2,3-propanetricarboxylate ; Trisodium citrate ; Trisodium citrate, anhydrous ; UNII-RS7A450LGA
CAS NO: 68-04-2
Classification Code: FOOD ADDITIVES ; Chemistry ; Cytochemistry Products ; Hematology and Histology ; ReagentsMore...Close... ; AlphabeticalMolecular Biology ; Biological Buffers ; BioUltra Buffers ; BioUltraBiological Buffers ; Buffer SolutionsBiochemicals and Reagents ; ChelatorsProtein Structural Analysis ; DNA&RNA Purification ; Molecular Biology Reagents ; Optimization ReagentsMolecular Biology ; X-Ray Crystallography ; Buffers A to Z ; AnticoagulantsBiological Buffers ; Buffers A to ZProteins and Derivatives ; Blood ; Buffer Convenience Packaging ; Buffer SolutionsBiological Buffers ; Coagulation Proteins and Reagents ; Immune Cell Signaling and Blood ; Plasma&Blood Proteins
Melting point: 300°C 
H bond acceptors: 7
H bond donors: 4
Freely Rotating Bonds: 6
Polar Surface Area: 121.13 Å2
Flash Point: 155.2 °C
Enthalpy of Vaporization: 63.82 kJ/mol
Boiling Point: 309.6 °C at 760 mmHg
Vapour Pressure: 5.73E-05 mmHg at 25°C

Sodium Citrate Uses

  Sodium Citrate (CAS NO.68-04-2) is used as a flavoring agent in certain varieties of club soda.
It is an ingredient in Benedict's reagent and is used by Canadian Blood Services as an anticoagulant during apheresis. When it comes in contact with water, it is a product of the chemical reaction Alka Seltzer produces.Sodium citrate is used in the relief of cystitis in women, its effect is to make the urine less acidic and therefore provide pain relief. Its is not recommended for children or men to use it.
 

Sodium Citrate Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 1364mg/kg (1364mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: CYANOSIS

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS
Journal of Pharmacology and Experimental Therapeutics. Vol. 94, Pg. 65, 1948.
mouse LD50 intravenous 170mg/kg (170mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: CYANOSIS

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS
Journal of Pharmacology and Experimental Therapeutics. Vol. 94, Pg. 65, 1948.
rabbit LD50 intravenous 449mg/kg (449mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: CYANOSIS

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS
Journal of Pharmacology and Experimental Therapeutics. Vol. 94, Pg. 65, 1948.
rat LD50 intraperitoneal 1548mg/kg (1548mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: CYANOSIS

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS
Journal of Pharmacology and Experimental Therapeutics. Vol. 94, Pg. 65, 1948.

Sodium Citrate Safety Profile

Risk Statements of Sodium Citrate (CAS NO.68-04-2): 20-40-48/22 
R20: Harmful by inhalation.
R40: Limited evidence of a carcinogenic effect. 
R48/22: Harmful: danger of serious damage to health by prolonged exposure if swallowed.
Safety Statements: 36-24/25 
S36: Wear suitable protective clothing. 
S24/25: Avoid contact with skin and eyes.
WGK Germany: 2
F: 34
 

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