CAS# 7365-45-9

HEPES

HEPES

HEPES Supplier and Distributor of Bulk, LTL, Wholesale products
CAS#
7365-45-9
Formula:
C8H18N2O4S
Synonyms:
N- (2-Hydroxy ethyl)-Piperazine ethane Sulfonic acid, 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid

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PRODUCT SPECIFICATIONS

Molecular Weight
238.30
Appearance
White Powder
Density
1.07 g/cm3
Assay
≧ 99.5%
Melting Point
234 - 238 °C
Solubility
Clear and Colorless (1M in H2O)
Loss on drying
≦ 0.5%
pKa (25℃)
7.45 – 7.65
pH
5.0 – 6.5 (5% in H2O)
UV (A260nm)
≦ 0.05 Abs (1M in H2O)
UV (A280nm)
≦ 0.04 Abs (1M in H2O)
UV (A405nm)
≦ 0.01 Abs (1M in H2O)
UV (A290nm)
≦ 0.05 Abs (33% in H2O)
Salfated Ash
≦ 0.1%
Color
<25 Pt-Co unit (33% in H2O)
IR
In conformance with known standard
Heavy Metals (as Pb)
≦ 5 ppm
Class
Biological Buffers
Market
Pharmaceutical