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Citric acid monohydrate

Catalog No. 27102 Name Sigma Aldrich
CAS Number 5949-29-1 Website http://www.sigmaaldrich.com
M. F. C6H10O8 Telephone 1-800-521-8956
M. W. 210.1388 Fax
Purity 99.5-100.5% (based on anhydrous substance) Email
Storage Chembase ID: 103127

SYNONYMS

Title
柠檬酸 一水合物
IUPAC name
2-hydroxypropane-1,2,3-tricarboxylic acid hydrate
IUPAC Traditional name
citro hydrate

DATABASE IDS

Beilstein Number 4018641
CAS Number 5949-29-1
MDL Number MFCD00149972
EC Number 201-069-1
PubChem SID 24856428

PROPERTIES

Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces oxalate (as oxalic acid): ≤100 mg/kg
Antion Traces sulfate (SO42-): ≤100 mg/kg
Appearance grit
Cation Traces Al: ≤0.2 mg/kg
Cation Traces As: ≤1 mg/kg
Cation Traces Ca: ≤200 mg/kg
Cation Traces Cu: ≤10 mg/kg
Cation Traces Fe: ≤10 mg/kg
Cation Traces Hg: ≤1 mg/kg
Cation Traces Pb: ≤1 mg/kg
Cation Traces Zn: ≤10 mg/kg
Grade puriss.
Ignition Residue ≤0.05% (as SO4)
Impurities residual solvents, complies
Impurities ≤0.0005% heavy metals (as Pb)
Impurities 7.5-8.8% water (Karl Fischer)
Linear Formula HOC(COOH)(CH2COOH)2 · H2O
Purity 99.5-100.5% (based on anhydrous substance)
Quality meets analytical specification of Ph. Eur., BP, USP, E330
Suitability complies for appearance of solution
Suitability complies for identity (IR)
Suitability complies for reaction against H2SO4
pKa (1) 3.13, (2) 4.76, (3) 6.4
Flash Point 173 °C
Flash Point 343.4 °F
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H319
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P305 + P351 + P338
Risk Statements 36
RTECS GE7810000
Safety Statements 26
German water hazard class 1

DETAILS

REFERENCES