Cas no 114456-61-0 (Citric acid)

Citric acid is a weak organic acid with the molecular formula C?H?O?, widely used in food, pharmaceuticals, and industrial applications. It occurs naturally in citrus fruits and is produced commercially via microbial fermentation. As a versatile chelating agent and pH adjuster, it exhibits excellent solubility in water and mild acidity, making it suitable for buffering, preservative, and flavor-enhancing purposes. Its biodegradable and non-toxic properties align with environmental and safety standards. In industrial settings, citric acid serves as a descaling agent and metal cleaner due to its ability to bind metal ions. Its multifunctionality, stability, and compatibility with other compounds underscore its utility across diverse sectors.
Citric acid structure
Citric acid structure
Product Name:Citric acid
CAS No:114456-61-0
MF:C6 H5 Na3 O7 . x H2 O
MW:276.084295511246
CID:130398
PubChem ID:21868242
Update Time:2025-06-08

Citric acid Chemical and Physical Properties

Names and Identifiers

    • Citric acid
    • 1,2,3-Propanetricarboxylicacid, 2-hydroxy-, sodium salt, hydrate (1:3:?)
    • citric acid , disodium citrate sesquihydrate
    • Citric acid, trisodium salt hydrate
    • Citronensaeure, Dinatriumcitrat-Sesquihydrat
    • Citric acid, trisodium salt hydrate, For molecular biology
    • Citric acid, trisodium salt hydrate, DNAse, RNAse and Protease free, for molecular biology
    • CITRIC ACID TRISODIUM SALT HYDRATE, 99.8%, DNASE, RNASE AND PROTEASE FREE, FOR MOLEC
    • Citric acid, trisodium salt hydrate,99.8%,formolecular biology,DNAse, RNAse and Protease
    • CITRIC ACID TRISODIUM SALT HYDRATE, DNASE, RNASE AND PROTEASE FREE, FOR MOLECULAR BIOLOGY, 99.8%
    • Citric acid, trisodiuM salt hydrate, 99.8%, for Molecular biology, DNAse, RNAse and Protease free
    • EN300-1265950
    • trisodium 2-hydroxypropane-1,2,3-tricarboxylate hydrate
    • 6858-44-2
    • E81577
    • Sodium citrate tribasic hydrate
    • NCGC00164253-01
    • DTXSID2040781
    • PKIDNTKRVKSLDB-UHFFFAOYSA-K
    • Citric acid trisodium salt hydrate
    • TRI-SODIUM CITRATE 5,5-HYDRATE
    • Citricacidtrisodiumsalthydrate
    • Sodium citrate tribasic hydrate, ReagentPlus(R), >=99%
    • Trisodium citrate pentahydrate
    • F8881-3990
    • trisodium;2-hydroxypropane-1,2,3-tricarboxylate;hydrate
    • TRI-SODIUM CITRATE 5, 5-HYDRATE
    • AKOS026676723
    • 19287-96-8
    • 114456-61-0
    • CITRIC ACID TRISODIUM SALT HYDRATE, DNASE, RNASE AND PROTEASE FREE, FOR MOLECULAR BIOLOGY
    • sodium citrate monohydrate
    • Inchi: InChI=1S/C6H8O7.3Na.H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;1H2/q;3*+1;/p-3
    • InChI Key: PKIDNTKRVKSLDB-UHFFFAOYSA-K
    • SMILES: [Na+].[Na+].[Na+].OC(CC(=O)[O-])(CC(=O)[O-])C(=O)[O-].O

Computed Properties

  • Exact Mass: 231.01200
  • Monoisotopic Mass: 275.98340002g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 6
  • Hydrogen Bond Acceptor Count: 15
  • Heavy Atom Count: 61
  • Rotatable Bond Count: 5
  • Complexity: 1900
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 9
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 3
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: 1000
  • XLogP3: 3.1
  • Topological Polar Surface Area: 142?2

Experimental Properties

  • Color/Form: Not available
  • Melting Point: >300°C
  • PSA: 147.02000
  • LogP: -3.98220
  • Solubility: Not available

Citric acid Pricemore >>

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