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Acids and Bases
Citric acid monohydrate - 500G
Availablity:
In stock
Catalog/Part Number:
33114-500G
Brand:
MERCK
Supplier:
MERCK
Supplier Location:
GERMANY
Inventory Weight:
unavailable
Unit of Measurement:
Inventory Brochure:
unavailable
Catalog/Part Number:: 33114-500G
₦73,080.00
Description
puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, 99.5-102%
CAS Number 5949-29-1
Linear Formula HOC(COOH)(CH2COOH)2 · H2O
Molecular Weight 210.14
Description
General description
Citric acid monohydrate is an organic acid. Its molar enthalpy of solution in water has been reported to be ΔsolHm (298.15K, m = 0.0203molkg-1) = (29061 ± 123)Jmol-1.
Application
Citric acid monohydrate may be used in the preparation of tris-citrate buffer and Otto I isolation buffer used in bioprotocols. It may also be used to improve the release of diltiazem hydrochloride from melt extruded matrix tablets.
Safety Information
Symbol GHS07 
Signal word Warning
Hazard statements H319
Precautionary statements P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
RIDADR NONH for all modes of transport
WGK Germany 1
RTECS GE7810000
Flash Point(F) 343.4 °F
Flash Point(C) 173 °C
Technical Specifications
Properties
Related Categories Acids, Acids & Bases, Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography,
Quality Level 200
grade ACS reagent, reag. ISO, reag. Ph. Eur. puriss. p.a.
assay 99.5-100.5% (calc. on anhydrous substance)
99.5-102%
impurities ≤0.005% insolubles in water
≤2 ppm heavy metals (as Pb)
7.5-9.0% water (Karl Fischer)
ign. residue ≤0.01% (as SO4)
pKa (1) 3.13, (2) 4.76, (3) 6.4
anion traces chloride (Cl-): ≤5 mg/kg
oxalate (C2O42-): ≤50 ppm
phosphate (PO43-): ≤10 mg/kg
sulfate (SO42-): ≤20 ppm
cation traces Ca: ≤50 mg/kg
Cu: ≤5 mg/kg
Fe: ≤3 ppm
Pb: ≤2 ppm
Zn: ≤5 mg/kg
suitability complies for appearance of solution
complies for reaction against H2SO4
SMILES string OC(CC(O)(C(O)=O)CC(O)=O)=O.O
InChI 1S/C6H8O7.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
InChI key YASYEJJMZJALEJ-UHFFFAOYSA-N
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