1.02071
Calcium carbonate
for optical glass
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About This Item
Linear Formula:
CaCO3
CAS Number:
Molecular Weight:
100.09
EC Index Number:
207-439-9
UNSPSC Code:
12352302
Beilstein/REAXYS Number:
8008338
MDL number:
Quality Segment
form
solid
potency
6450 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rat)
particle size
75 μm
pH
9.5-10.5 (20 °C, 100 g/L in H2O, slurry)
mp
825 °C (decomposition)
solubility
0.017 g/L
density
2.93 g/mL at 25 °C (lit.)
bulk density
300‑1400 kg/m3
storage temp.
2-30°C
SMILES string
[Ca++].[O-]C([O-])=O
InChI
1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
InChI key
VTYYLEPIZMXCLO-UHFFFAOYSA-L
General description
for optical glass
Application
Calcium carbonate for optical glass. CAS 471-34-1, chemical formula CaCO₃.
Analysis Note
Assay (complexometric)≥ 99.0 %Cr (Chromium)≤ 0.00007 %Fe (Iron)≤ 0.0007 %Particle size (< 75 µm)about 100
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Storage Class
13 - Non Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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