CAS No.: | 7365-45-9 |
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Formula: | C8h18n2o4s |
EINECS: | 230-907-9 |
Carboxyl No.: | Dicarboxylic Acid |
Alkyl No.: | Saturated Acid |
Appearance: | Powder |
Samples: |
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Customization: |
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Suppliers with verified business licenses
Product Name | HEPES |
CAS No. | 7365-45-9 |
MF | C8H18N2O4S |
EINECS: | 230-907-9 |
Appearance | powder |
Packing | 25kg drum |
Shelf life | 2 Years |
Item
|
Specifications
|
Results
|
Appearance
|
Free flowing white powder
|
Free flowing white powder
|
Assay(potertiometric cal on dry substance
|
≥99.5%
|
99.7%
|
Color ( 1M solution)
|
Pass test
|
conform
|
PKa at 20°C
|
7.4-7.7
|
7.2
|
Heavy metals(Pb)
|
≤5ppm
|
4ppm
|
Sulfate
|
≤0.05%
|
0.008%
|
Residue on Ignition
|
≤0.1%
|
0.03%
|
Loss on drying (105 °C,3 hours
|
≤1%
|
0.1%
|
UV absobance/260nm
|
≤0.5
|
0.305
|
UV absobance/280nm
|
≤0.5
|
0.205
|
UV absobance/440nm
|
≤0.2
|
0.055
|
HEPES is packaged in 25kg drum
HEPES shipping by air, by sea , by air express like Fedex , DHL, UPS
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