pH Buffer Solutions
A catalog of an extensive range of ISO/IEC certified, traceable, pH buffers for various applications. With a long shelf life and numerous pH values.
TES sodium salt
CAS:70331-82-7
Formula:
C6H14NNaO6S
Purity:
(Titration) ≥ 99.0%
Color and Shape:
White powder or crystals
Molecular weight:
251.23
Ref: 7W-GB4016
| 25g | 47.00 € | |
| 100g | 133.00 € | |
| 250g | 262.00 € | |
| 500g | 437.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
2-Amino-2-methyl-1-propanol hydrochloride
CAS:3207-12-3
Formula:
C4H11NO·HCl
Purity:
(Titration) ≥ 98.0%
Color and Shape:
White crystalline powder or crystals
Molecular weight:
125.60
Ref: 7W-GK0508
| 50g | 69.00 € | |
| 100g | 101.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
Ref: 7W-GB4332
| 1l | 45.00 € | |
| 500ml | 30.00 € | |
| 2500ml | 72.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
Disodium hydrogen phosphate heptahydrate, USP grade
CAS:7782-85-6
Formula:
Na2HPO4· 7H2O
Purity:
98.0 - 100.5 % (dried basis)
Color and Shape:
White crystals or crystalline powder
Molecular weight:
268.07
Ref: 7W-GK9860
| 1kg | 78.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
Sodium chloride
CAS:7647-14-5
Formula:
NaCl
Purity:
≥ 99.9% (dried basis)
Color and Shape:
White crystalline powder
Molecular weight:
58.44
Ref: 7W-GE8374
| 1kg | 16.00 € | |
| 5kg | 39.00 € | |
| 10kg | 66.00 € | |
| 250g | 12.00 € | |
| 25kg | 124.00 € | |
| 500g | 13.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
Sodium hydrogen carbonate
CAS:144-55-8
Formula:
NaHCO3
Purity:
(Titration) 99.0 - 100.5 %
Color and Shape:
White to almost white powder
Molecular weight:
84.01
Ref: 7W-GE8414
| 1kg | 25.00 € | |
| 5kg | 75.00 € | |
| 10kg | 127.00 € | |
| 250g | 12.00 € | |
| 500g | 16.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
PIPES disodium salt
CAS:76836-02-7
Formula:
C8H16N2Na2O6S2
Purity:
(Titration) ≥ 99.0% (dried basis)
Color and Shape:
White crystalline powder
Molecular weight:
346.33
Ref: 7W-GB1799
| 25g | 41.00 € | |
| 100g | 89.00 € | |
| 250g | 166.00 € | |
| 500g | 306.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
Ammonium acetate, Ultrapure, for HPLC and LC-MS
CAS:631-61-8
Formula:
C2H7NO2
Purity:
≥ 98.0%
Color and Shape:
Colourless crystals or white crystalline powder
Molecular weight:
77.08
Ref: 7W-GK1129
| 25g | 76.00 € | |
| 100g | 158.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
TRIS hydrochloride, 0.01M solution with 0.05M NaCl (pH 8.0)
CAS:1185-53-1
Formula:
C4H11NO3·HCl
Color and Shape:
Clear, colourless liquid
Molecular weight:
157.60
Ref: 7W-GB3987
| Undefined size | To inquire |
Estimated delivery in United States, on Thursday 14 Dec 2023
Bovine Serum Albumin, fatty acid free
CAS:9048-46-8
Purity:
≥ 98%
Color and Shape:
Off-white to light-yellow or green powder or flakes
Molecular weight:
-
Ref: 7W-GX5685
| 1kg | 1,229.00 € | |
| 500g | 690.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
Sodium DL-lactate, 60% solution
CAS:72-17-3
Formula:
C3H5NaO3
Purity:
58.8 - 61.2 % (w/w)
Color and Shape:
Clear, colourless to light-yellow viscous liquid
Molecular weight:
112.06
Ref: 7W-GL8384
| 1l | 66.00 € | |
| 100ml | 20.00 € | |
| 250ml | 27.00 € | |
| 500ml | 37.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
Citric acid monohydrate
CAS:5949-29-1
Formula:
C6H8O7·H2O
Purity:
99.5 - 100.5 % (anhydrous basis)
Color and Shape:
Colourless crystals to white crystalline powder
Molecular weight:
210.14
Ref: 7W-GK0024
| 1kg | 26.00 € | |
| 5kg | 80.00 € | |
| 10kg | 130.00 € | |
| 250g | 14.00 € | |
| 500g | 20.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
CAPS Sodium salt
CAS:105140-23-6
Formula:
C9H18NO3SNa
Color and Shape:
White crystalline powder
Molecular weight:
243.30
Ref: 7W-GK1656
| Undefined size | To inquire |
Estimated delivery in United States, on Thursday 14 Dec 2023
EDTA tetrasodium salt dihydrate
CAS:10378-23-1
Formula:
C10H12N2Na4O8· 2H2O
Purity:
99.0 - 102.0 %
Color and Shape:
White crystalline powder
Molecular weight:
416.20
Ref: 7W-GK0795
| 1kg | 47.00 € | |
| 100g | 14.00 € | |
| 250g | 20.00 € | |
| 500g | 28.00 € | |
| 2500g | 98.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
BES
CAS:10191-18-1
Formula:
C6H15NO5S
Purity:
(Titration) ≥ 99.0% (dried basis)
Color and Shape:
White powder
Molecular weight:
213.25
Ref: 7W-GB4358
| 1kg | 341.00 € | |
| 25g | 39.00 € | |
| 100g | 76.00 € | |
| 250g | 133.00 € | |
| 500g | 219.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
BIS-TRIS hydrochloride
CAS:124763-51-5
Formula:
C8H19NO5·HCl
Purity:
≥ 98.0% (dried basis)
Color and Shape:
White crystalline powder
Molecular weight:
245.70
Ref: 7W-GK3758
| 25g | 62.00 € | |
| 100g | 166.00 € | |
| 250g | 315.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
CHAPS
CAS:75621-03-3
Formula:
C32H58N2O7S
Purity:
(HPLC) ≥ 98.0%
Color and Shape:
White powder
Molecular weight:
614.88
Ref: 7W-GB6883
| 1g | 34.00 € | |
| 5g | 66.00 € | |
| 10g | 106.00 € | |
| 25g | 210.00 € | |
| 50g | 341.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
Magnesium sulfate, dried, USP grade
CAS:7487-88-9
Formula:
MgSO4
Purity:
99.0 - 100.5 % (after ignition)
Color and Shape:
White or almost white fine granular powder
Molecular weight:
120.37
Ref: 7W-GK9199
| 1kg | 62.00 € | |
| 5kg | 201.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
di-Potassium hydrogen phosphate, anhydrous, Ph. Eur. grade
CAS:7758-11-4
Formula:
K2HPO4
Purity:
98.0 - 101.0 % (dried basis)
Color and Shape:
White or almost white crystalline powder, very hygroscopic
Molecular weight:
174.18
Ref: 7W-GK7412
| 1kg | 80.00 € |
Estimated delivery in United States, on Thursday 14 Dec 2023
