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.
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TAPS
CAS:29915-38-6
Formula:
C7H17NO6S
Purity:
(Titration) 99.0 - 101.0 % (dried basis)
Color and Shape:
White powder
Molecular weight:
243.28
Ref: 7W-GB2435
| 1kg | 275.00 € | |
| 25g | 31.00 € | |
| 100g | 50.00 € | |
| 250g | 98.00 € | |
| 500g | 175.00 € |
Estimated delivery in United States, on Friday 31 May 2024
Triethylammonium bicarbonate buffer, 1M solution
CAS:15715-58-9
Color and Shape:
Clear, colourless liquid
Ref: 7W-GB4354
| Undefined size | To inquire |
Estimated delivery in United States, on Friday 31 May 2024
BIS-TRIS
CAS:6976-37-0
Formula:
C8H19NO5
Purity:
(Titration) ≥ 99.0% (anhydrous basis)
Color and Shape:
White crystalline powder
Molecular weight:
209.24
Ref: 7W-GB6605
| 1kg | 358.00 € | |
| 25g | 26.00 € | |
| 100g | 60.00 € | |
| 250g | 112.00 € | |
| 500g | 202.00 € |
Estimated delivery in United States, on Friday 31 May 2024
TRIS hydrochloride, 1M solution (pH 7.4)
CAS:1185-53-1
Formula:
C4H11NO3·HCl
Color and Shape:
Clear, colourless liquid
Molecular weight:
157.60
Ref: 7W-GE8151
| Undefined size | To inquire |
Estimated delivery in United States, on Friday 31 May 2024
Sodium citrate dihydrate
CAS:6132-04-3
Formula:
Na3C6H5O7· 2H2O
Purity:
99.0 - 101.0 % (anhydrous basis)
Color and Shape:
White crystalline powder or colourless crystals
Molecular weight:
294.10
Ref: 7W-GK0137
| 1kg | 41.00 € | |
| 5kg | 137.00 € | |
| 100g | 15.00 € | |
| 250g | 21.00 € | |
| 500g | 29.00 € |
Estimated delivery in United States, on Friday 31 May 2024
Sodium acetate buffer, 3M solution
CAS:126-96-5
Color and Shape:
Clear, colourless liquid
Molecular weight:
-
Ref: 7W-GB8871
| 1l | 133.00 € | |
| 250ml | 48.00 € |
Estimated delivery in United States, on Friday 31 May 2024
Sodium acetate trihydrate, 99.5%, BP, Ph. Eur., USP grade
CAS:6131-90-4
Formula:
NaOOCCH3· 3H2O
Purity:
99.0 - 101.0 % (anhydrous basis)
Color and Shape:
White crystalline powder or colourless crystals
Molecular weight:
136.08
Ref: 7W-GK4909
| 1kg | 49.00 € | |
| 5kg | 93.00 € | |
| 25kg | 229.00 € |
Estimated delivery in United States, on Friday 31 May 2024
Glycine, EP, USP grade
CAS:56-40-6
Formula:
C2H5NO2
Purity:
(Titration) 98.5 - 101.5 % (dried basis)
Color and Shape:
White crystalline powder
Molecular weight:
75.07
Ref: 7W-GM2320
| 1kg | 57.00 € | |
| 5kg | 184.00 € | |
| 100g | 16.00 € | |
| 250g | 21.00 € | |
| 500g | 33.00 € |
Estimated delivery in United States, on Friday 31 May 2024
Ref: 7W-GB8437
| 1l | 66.00 € | |
| 250ml | 32.00 € | |
| 2500ml | 133.00 € |
Estimated delivery in United States, on Friday 31 May 2024
Glycolic acid, pure, 99.5%
CAS:79-14-1
Formula:
C2H4O3
Purity:
≥ 99.0%
Color and Shape:
Colourless, white or almost white crystals or crystalline powder
Molecular weight:
76.05
Ref: 7W-GV1911
| Undefined size | To inquire |
Estimated delivery in United States, on Friday 31 May 2024
di-Sodium hydrogen phosphate, anhydrous, ACS grade
CAS:7558-79-4
Formula:
HNa2O4P
Purity:
≥ 99.0%
Color and Shape:
White crystalline powder or crystals
Molecular weight:
141.98
Ref: 7W-GB3258
| Undefined size | To inquire |
Estimated delivery in United States, on Friday 31 May 2024
TRIS solution, 1M in water, pH 9
Controlled ProductCAS:77-86-1
Formula:
C4H11NO3
Color and Shape:
Clear, colourless liquid
Molecular weight:
121.14
Ref: 7W-GP6989
| Undefined size | To inquire |
Estimated delivery in United States, on Friday 31 May 2024
Glycine
CAS:56-40-6
Formula:
C2H5NO2
Purity:
(Titration) 98.5 - 101.5 % (dried basis)
Color and Shape:
White to almost white crystalline powder
Molecular weight:
75.07
Ref: 7W-GM2385
| 1kg | 43.00 € | |
| 5kg | 140.00 € | |
| 100g | 14.00 € | |
| 250g | 16.00 € | |
| 500g | 25.00 € |
Estimated delivery in United States, on Friday 31 May 2024
Ammonium L-(+)-tartrate
CAS:3164-29-2
Formula:
C4H12N2O6
Purity:
(Titration) 97.5 - 102.5 %
Color and Shape:
Colourless to white crystals or crystalline powder
Molecular weight:
184.15
Ref: 7W-GK3854
| 1kg | 230.00 € | |
| 50g | 26.00 € | |
| 250g | 76.00 € | |
| 500g | 133.00 € |
Estimated delivery in United States, on Friday 31 May 2024
Calcium phosphate dibasic, anhydrous, EP, USP grade
CAS:7757-93-9
Formula:
CaHO4P
Purity:
98.0 - 103.0 % (CaHPO4)
Color and Shape:
White powder
Molecular weight:
136.06
Ref: 7W-GL2117
| 1kg | 80.00 € | |
| 5kg | 229.00 € | |
| 100g | 21.00 € | |
| 250g | 31.00 € | |
| 500g | 50.00 € |
Estimated delivery in United States, on Friday 31 May 2024
HEPES
CAS:7365-45-9
Formula:
C8H18N2O4S
Purity:
(Titration) ≥ 99.5% (dried basis)
Color and Shape:
White crystalline powder
Molecular weight:
238.31
Ref: 7W-GB3086
| 10g | 21.00 € | |
| 1kg | 165.00 € | |
| 25g | 31.00 € | |
| 100g | 50.00 € | |
| 500g | 121.00 € |
Estimated delivery in United States, on Friday 31 May 2024
CHAPSO
CAS:82473-24-3
Formula:
C32H58N2O8S
Purity:
(HPLC) ≥ 98.0%
Color and Shape:
White powder
Molecular weight:
630.88
Ref: 7W-GB7497
| 1g | 93.00 € | |
| 5g | 358.00 € | |
| 500mg | 70.00 € |
Estimated delivery in United States, on Friday 31 May 2024
Ethanolamine hydrochloride
CAS:2002-24-6
Formula:
C2H7NO·HCl
Purity:
≥ 99.0%
Color and Shape:
Colourless crystals, or white to off-white crystalline powder
Molecular weight:
97.55
Ref: 7W-GK0319
| 25g | 22.00 € |
Estimated delivery in United States, on Friday 31 May 2024
