Citronsyre, anhydrous ≥96%, grit, tested according to Ph. Eur., Fluka™

Leverandør: Honeywell Chemicals
Ratings: Ingen bedømmelse

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Synonymer: 2-Hydroxypropane-1,2,3-tricarboxylic acid, Hydroxytricarballylic acid

03878-1KG
03878-1KGEA 653 DKK
03878-1KG
Citronsyre, anhydrous ≥96%, grit, tested according to Ph. Eur., Fluka™
Citronsyre
Formel: HOC(COOH)(CH₂COOH)₂
Molekylvægt: 192.13 g/mol
Kogepunkt: 310
Smeltepunkt: 153…159 °C
Massefylde: 1.67 g/cm³ (20 °C)
Opbevaringstemperatur: Stue temperatur
MDL Number: MFCD00011669
CAS-nummer: 77-92-9
EINECS: 201-069-1
REACH: 01-2119457026-42-0000
Merck Index: 13,02350
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Specifikationer Testresultater

pKa  (1) 3.13, (2) 4.76, (3) 6.4
Identity (IR) complying
Assay (calculated on the anhydrous basis) 99.5 - 100.5 %
Appearance of the solution complying
Sulfated ash Max. 0.1 %
Water (Karl Fischer) Max. 1.0 %
Oxalate (as Oxalic acid) Max. 360 ppm
Heavy metals (as Pb) Max. 10 ppm
Sulfate (SO₄) Max. 150 ppm
Reaction against H₂SO₄ complying
Residual solvents complying
calcium (Ca) Max. 0.005 %
cobalt (Co) Max. 0.002 %
copper (Cu) Max. 0.005 %
iron (Fe) Max. 0.001 %
potassium (K) Max. 0.01 %
magnesium (Mg) Max. 0.005 %
manganese (Mn) Max. 0.002 %
sodium (Na) Max. 0.05 %
vanadium (V) Max. 0.001 %
zirconium (Zr) Max. 0.001 %
chloride (Cl) Max. 0.001 %
total N Max. 0.002 %


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