Substance
ID:352028
Names and Identifiers
IUPAC name
2-hydroxypropane-1,2,3-tricarboxylic acid
IUPAC Traditional name
citro
Synonyms
Citric acid柠檬酸
Registration numbers
CAS Number
Beilstein Number
MDL Number
EC Number
PubChem SID
Properties
Product Information
Cation Traces
Bi: ≤5 mg/kg
Zn: ≤5 mg/kg
Co: ≤5 mg/kg
Li: ≤5 mg/kg
Mo: ≤5 mg/kg
Ca: ≤10 mg/kg
Cr: ≤5 mg/kg
K: ≤50 mg/kg
Al: ≤5 mg/kg
Ba: ≤5 mg/kg
Cd: ≤5 mg/kg
Mn: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
As: ≤0.1 mg/kg
Cu: ≤5 mg/kg
Mg: ≤5 mg/kg
Ni: ≤5 mg/kg
Fe: ≤5 mg/kg
Na: ≤50 mg/kg
Loss on Drying
≤0.5% loss on drying, 110 °C
Antion Traces
phosphate (PO43-): ≤5 mg/kg
oxalate (C2O42-): ≤500 mg/kg
chloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤20 mg/kg
tartrate (C4H4O62-): ≤2000 mg/kg
Ignition Residue
≤0.05% (as SO4)
Product Line
BioUltra
Impurities
insoluble matter, passes filter test
λ
1 M in H2O
Linear Formula
HOC(COOH)(CH2COOH)2
Purity
≥99.5% (T)
Physical Property
Melting Point
153-159 °C(lit.)
pH
1.0-2.0 (25 °C, 1 M in H2O)
Solubility
H2O: soluble1 M at 20 °C, clear, colorless
p𝘒ₐ
(1) 3.13, (2) 4.76, (3) 6.4
Absorption Wavelength
λ: 260 nm Amax: 0.20
λ: 280 nm Amax: 0.10
Safety Information
Explode Limits
8 %, 65 °F
MSDS Link
GHS Precautionary statements
P305+P351+P338
Safety Statements
26
GHS Hazard statements
H319
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
GHS Signal Word
Warning
European Hazard Symbols
Irritant (Xi)German water hazard class
1
Risk Statements
36
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
RTECS
GE7350000
Pharmacology Properties
Gene Information
human ... SRC(6714)
Molecule Details
Other Notes
Buffer component for triple-column amino acid analysis1; Optimal buffer for dissociation of radioiodinated antibodies from viable murine tumor cells2
Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 27487.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.
Buffer component for triple-column amino acid analysis1; Optimal buffer for dissociation of radioiodinated antibodies from viable murine tumor cells2
Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 27487.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.
Molecular Spectra
No Data Available
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References
No Data Available
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