33114
柠檬酸 一水合物
ACS reagent grade, 99.5-102%, solid, puriss. p.a., reag. ISO, reag. Ph. Eur., buffer substance
别名:
2-hydroxy-1,2,3-propanetricarboxylic acid monohydrate
选择尺寸
关于此项目
产品名称
柠檬酸 一水合物, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, 99.5-102%
Quality Segment
agency
USP/NF, reag. ISO, reag. Ph. Eur.
grade
ACS reagent, puriss. p.a.
assay
99.5-100.5% (calc. on anhydrous substance), 99.5-102%
form
solid
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-): ≤100 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
functional group
carboxylic acid
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
General description
Application
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
11 - Combustible Solids
flash_point_f
345.0 °F - closed cup
flash_point_c
173.9 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Gloves