1.02392
Calcium chloride
anhydrous, granular ~ 6 - 14 mm
别名:
Calcium chloride, Calcium dichloride
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关于此项目
经验公式（希尔记法）:
CaCl2
化学文摘社编号:
分子量:
110.98
UNSPSC Code:
12352302
EC Index Number:
233-140-8
NACRES:
NB.21
MDL number:
Assay:
~90% (complexometric)
Form:
solid
产品名称
Calcium chloride, anhydrous, granular ~ 6 - 14 mm
SMILES string
[Ca+2].[Cl-].[Cl-]
InChI
1S/Ca.2ClH/h;2*1H/q+2;;/p-2
InChI key
UXVMQQNJUSDDNG-UHFFFAOYSA-L
assay
~90% (complexometric)
form
solid
potency
2630 mg/kg LD50, skin (Rat)
impurities
≤0.2% Free alkali (as Ca(OH)2)
pH
8-10 (20 °C, 100 g/L in H2O)
mp
772 °C
density
2.15 g/cm3 at 20 °C
storage temp.
2-30°C
Quality Level
Analysis Note
Assay (complexometric): about 90
Free alkali (as Ca(OH)₂): ≤ 0.2 %
Water absorption capacity (24 hrs.,80 % relative humidity): ≥ 20 %
Free alkali (as Ca(OH)₂): ≤ 0.2 %
Water absorption capacity (24 hrs.,80 % relative humidity): ≥ 20 %
Application
- Fixed-Bed Column Studies: Continuous fixed-bed column studies utilize Congo red to investigate the adsorption capabilities of various natural adsorbents, such as Nelumbo nucifera (lotus) leaf adsorbent. These studies help in understanding the dynamics of dye removal in real-world applications, providing valuable data for scaling up adsorption processes for industrial wastewater treatment (Vairavel and Rampal, International Journal of Environmental Analytical Chemistry, 2021).
- Nanocomposite Adsorbents: Congo red is used in studies involving nanocomposite adsorbents, such as calcined ZnAl-LDH (layered double hydroxides) trapped in alginate beads. These studies explore the adsorption efficiency, regeneration, and reusability of nanocomposites for removing dyes from water, contributing to the development of advanced materials for environmental cleanup (El Khanchaoui et al., International Journal of Environmental Analytical Chemistry, 2021).
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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