Citric acid monohydrate, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, 99.5-102%

Code: 33114-25kg D2-231

Not available outside of the UK & Ireland.

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...


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$846.80 25KG
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Not available outside of the UK & Ireland.

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.

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.

agencyreag. ISO, USP/NF, reag. Ph. Eur.
anion tracessulfate (SO42-): ≤20 ppm, phosphate (PO43-): ≤10 mg/kg, chloride (Cl-): ≤5 mg/kg, oxalate (C2O42-): ≤50 ppm
assay99.5-100.5% (calc. on anhydrous substance), 99.5-102%
cation tracesPb: ≤2 ppm, Cu: ≤5 mg/kg, Zn: ≤5 mg/kg, Fe: ≤3 ppm, Ca: ≤50 mg/kg
formsolid
gradepuriss. p.a., ACS reagent
ign. residue≤0.01% (as SO4)
impurities≤2 ppm heavy metals (as Pb), 7.5-9.0% water (Karl Fischer), ≤0.005% insolubles in water
InChI keyYASYEJJMZJALEJ-UHFFFAOYSA-N
InChI1S/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
pKa (1) 3.13, (2) 4.76, (3) 6.4
Quality Level200
SMILES stringOC(CC(O)(C(O)=O)CC(O)=O)=O.O
suitabilitycomplies for reaction against H2SO4, complies for appearance of solution
Code
Description
Unit Size
List Price
Qty
33114-500G
Citric acid monohydrate, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, 99.5-102%

Unit:500G
List Price: $41.04
Source:List Price
ADD
33114-1KG
Citric acid monohydrate, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, 99.5-102%

Unit:1KG
List Price: $56.12
Source:List Price
ADD
33114-2.5KG
Citric Acid A.R.2.5KG

Unit:2.5KG
List Price: $122.67
Source:List Price
ADD
33114-5KG
Citric acid monohydrate ACS rea 5KG

Unit:5KG
List Price: $213.15
Source:List Price
ADD
Cas Number5949-29-1
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