StockOptions Malic Acid 09 pH 4.5, 185 ml

– 185 mL volume
– Sterile filtered
– Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/uL)

HR2-240-**
** = Refers to the reagent number in the kit.
For example, reagent number 1 = HR2-240-01

DL-Malic acid
Synonyms: (±)-2-Hydroxysuccinic acid or DL-Hydroxybutanedioic acid
HO2CCH2CH(OH)CO2H
C4H6O5
Mr 134.09
CAS Number [6915-15-7]
EC Number 230-022-8
Beilstein Registry Number 1723539
Merck 14,5707
RTECS ON7175000
MDL Number MFCD00064212
PubChem Substance ID 24896626
Purity >99.0%
Appearance (Solution): Clear to light amber color

pH titration performed using Sodium hydroxide

pKa1 3.4
pKa2 5.1

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