Substance
ID:368944
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
As: ≤1 mg/kg
Al: ≤0.2 mg/kg
Hg: ≤1 mg/kg
Pb: ≤1 mg/kg
Zn: ≤10 mg/kg
Ca: ≤200 mg/kg
Fe: ≤10 mg/kg
Cu: ≤10 mg/kg
Impurities
organic volatile impurities, complies (GC)
≤0.5% water (Karl Fischer)
residual solvents, complies
≤0.0005% heavy metals (as Pb)
Quality
meets analytical specification of Ph. Eur., BP, USP, E330
anhydrous
Antion Traces
sulfate (SO42-): ≤100 mg/kg
chloride (Cl-): ≤50 mg/kg
oxalate (as oxalic acid): ≤100 mg/kg
Ignition Residue
≤0.05% (as SO4)
Linear Formula
HOC(COOH)(CH2COOH)2
Purity
99.5-100.5% (based on anhydrous substance)
Suitability
complies for reaction against H2SO4
complies for appearance of solution
Safety Information
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
GHS Signal Word
Warning
Safety Statements
26
GHS Hazard statements
H319
MSDS Link
RTECS
GE7350000
German water hazard class
1
Explode Limits
8 %, 65 °F
European Hazard Symbols
Irritant (Xi)Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Risk Statements
36
GHS Precautionary statements
P305+P351+P338
Pharmacology Properties
Gene Information
human ... SRC(6714)
Physical Property
p𝘒ₐ
(1) 3.13, (2) 4.76, (3) 6.4
Melting Point
153-159 °C(lit.)
Apperance
grit
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
No Data Available
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