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Electrochemistry Buffers

Buffer solutions suitable for use as reference and calibration standards for measuring pH values.
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  • (20)
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  • (6)
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1 – 15 of 15 results
1

Buffer solution pH 4.01 (+/-0.022 @ 25oC) No Color Specpure NIST Traceable

CAS: 1336-21-6 | H5NO | 35.05 g/mol

EDGE
Molecular Weight (g/mol) 35.05
ChEBI CHEBI:18219
Color Colorless
Physical Form Liquid
Chemical Name or Material Buffer solution
SMILES N.O
InChI Key VHUUQVKOLVNVRT-UHFFFAOYSA-N
Vapor Pressure 23 hPa (17mm Hg) at 20°C
PubChem CID 14923
MDL Number MFCD00066650
Solubility Information Miscible with water.
TSCA Yes
Recommended Storage Ambient temperatures
IUPAC Name azanium;hydroxide
Molecular Formula H5NO
Odor Odorless
2

Buffer solution, pH 2.00 (+/-0.026 @ 25oC), No Color, Specpure, NIST Traceable

For Calibration of pH Meters | CAS: 7447-40-7

EDGE
Color Colorless
Traceability to NIST Yes
Physical Form Liquid
Chemical Name or Material Buffer solution
Vapor Pressure 23 hPa (17mm Hg) at 20°C
Concentration or Composition (by Analyte or Components) Potassium chloride: 0.7%; Hydrochloric acid: 0.7%; water: 98.6%
CAS 7732-18-5
Health Hazard 3 P234-P390
MDL Number MFCD00146252
Health Hazard 2 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable gloves and eye/face protection. This material and/or its container must be disposed of as hazardous waste.
Solubility Information Soluble in water.
Health Hazard 1 H290
TSCA Yes
Recommended Storage Ambient temperatures
3

Buffer solution pH 7.00 (+/-0.024 @ 25oC) No Color Specpure NIST Traceable

CAS: 1336-21-6 | H5NO | 35.05 g/mol

Molecular Weight (g/mol) 35.05
ChEBI CHEBI:18219
Color Colorless
Traceability to NIST Yes
Physical Form Liquid
Chemical Name or Material Buffer solution
Grade Specpure
SMILES N.O
InChI Key VHUUQVKOLVNVRT-UHFFFAOYSA-N
PubChem CID 14923
CAS 1336-21-6
MDL Number MFCD00066650
Solubility Information pH 7.00 buffers are in solution form. Miscible with water.
TSCA Yes
Recommended Storage Ambient temperatures
Molecular Formula H5NO
Odor Odorless
4

Buffer solution pH 4.00 (+/-0.022 @ 25oC) Colored Red Specpure NIST Traceable

CAS: 1310-73-2

Concentration or Composition (by Analyte or Components) Sodium hydroxide: 0.7%; Potassium dihydrogen phosphate: 0.7%; water: 98.6%
CAS 7732-18-5
MDL Number MFCD00146206
Color Red
Solubility Information Miscible with water.
Physical Form Liquid
Chemical Name or Material Buffer solution
TSCA Yes
Recommended Storage Ambient temperatures
Vapor Pressure 23 hPa (17mm Hg) at 20°C
5

Buffer solution, pH 7.00 (+/-0.024 @ 25oC), Colored Yellow, Specpure, NIST Traceable

CAS: 1310-73-2

Concentration or Composition (by Analyte or Components) Sodium hydroxide: 0.7%; Potassium dihydrogen phosphate: 0.7%; water: 98.6%
CAS 7732-18-5
MDL Number MFCD00146252
Color Yellow
Solubility Information Miscible with water.
Physical Form Liquid
Chemical Name or Material Buffer solution
TSCA Yes
Recommended Storage Ambient temperatures
Vapor Pressure 23 hPa (17mm Hg) at 20°C
6

Buffer solution pH 7.00 (+/-0.024 @ 25oC) Colored Green Specpure NIST Traceable

CAS: 1336-21-6 | H5NO | 35.05 g/mol

Molecular Weight (g/mol) 35.05
ChEBI CHEBI:18219
Color Green
Traceability to NIST Yes
Physical Form Liquid
Chemical Name or Material Buffer solution
Grade Specpure
SMILES N.O
InChI Key VHUUQVKOLVNVRT-UHFFFAOYSA-N
Vapor Pressure 23 hPa (17mm Hg) at 20°C
PubChem CID 14923
Name Note NIST Traceable
CAS 1336-21-6
MDL Number MFCD00066650
Solubility Information Miscible with water.
TSCA No
Recommended Storage Ambient temperatures
Molecular Formula H5NO
7

Buffer solution, pH 1.00 (+/-0.026 @ 25oC), No Color, Specpure, NIST Traceable

For Calibration of pH Meters | CAS: 7447-40-7

Concentration or Composition (by Analyte or Components) Potassium chloride: 0.7%; Hydrochloric acid: 0.7%; water: 98.6%
CAS 7732-18-5
Health Hazard 3 P234-P390
MDL Number MFCD00146252
Color Colorless
Physical Form Liquid
Health Hazard 1 H290
Chemical Name or Material Buffer solution
TSCA Yes
Recommended Storage Ambient temperatures
Density 1.005
Vapor Pressure 23 hPa (17mm Hg) at 20°C
8

Buffer solution, pH 11.00 (+/-0.026 @ 25oC), No Color, Specpure, NIST Traceable

CAS: 1336-21-6 | H5NO | 35.05 g/mol

Molecular Weight (g/mol) 35.05
ChEBI CHEBI:18219
Color Colorless
Physical Form Liquid
Chemical Name or Material Buffer solution
SMILES N.O
InChI Key VHUUQVKOLVNVRT-UHFFFAOYSA-N
PubChem CID 14923
CAS 1336-21-6
MDL Number MFCD00066650
Solubility Information Miscible with water.
TSCA Yes
Recommended Storage Ambient temperatures
Molecular Formula H5NO
Odor Odorless
9

Buffer solution, pH 6.86 (+/-0.024 @ 25oC), No Color, Specpure, NIST Traceable

CAS: 1336-21-6 | H5NO | 35.05 g/mol

Molecular Weight (g/mol) 35.05
ChEBI CHEBI:18219
Color Colorless
Physical Form Liquid
Chemical Name or Material Buffer solution
SMILES N.O
InChI Key VHUUQVKOLVNVRT-UHFFFAOYSA-N
PubChem CID 14923
CAS 1336-21-6
MDL Number MFCD00066650
TSCA Yes
Recommended Storage Ambient temperatures
Molecular Formula H5NO
Odor Odorless
10

Buffer solution, pH 8.00 (+/-0.024 @ 25oC), No Color, Specpure, NIST Traceable

CAS: 1310-73-2

Concentration or Composition (by Analyte or Components) Sodium hydroxide: 0.7%; Potassium dihydrogen phosphate: 0.7%; Water: 98.6%
CAS 7732-18-5
MDL Number MFCD00134130
Color Yellow
Solubility Information Miscible with water.
Physical Form Liquid
Chemical Name or Material Buffer solution
TSCA Yes
Recommended Storage Ambient temperatures
Vapor Pressure 23 hPa (17mm Hg) at 20°C
11

Buffer solution pH 10.00 (+/-0.024 @ 25oC) Colored Blue Specpure NIST Traceable

CAS: 1310-73-2

Concentration or Composition (by Analyte or Components) Sodium hydroxide: 0.7%; Potassium dihydrogen phosphate: 0.7%; water: 98.6%
CAS 7732-18-5
MDL Number MFCD00146206
Color Yellow
Solubility Information Miscible with water.
Physical Form Liquid
Chemical Name or Material Buffer solution
TSCA Yes
Recommended Storage Ambient temperatures
Vapor Pressure 23 hPa (17mm Hg) at 20°C
12

Buffer solution, pH 12.00 (+/-0.01 @ 25oC), No Color, Specpure, NIST Traceable

CAS: 1336-21-6 | H5NO | 35.05 g/mol

PubChem CID 14923
CAS 1336-21-6
Molecular Weight (g/mol) 35.05
ChEBI CHEBI:18219
MDL Number MFCD00066650
Solubility Information Immiscible with water.
Physical Form Liquid
Chemical Name or Material Buffer solution
SMILES N.O
TSCA Yes
Recommended Storage Ambient temperatures
InChI Key VHUUQVKOLVNVRT-UHFFFAOYSA-N
Molecular Formula H5NO
13

Buffer solution, pH 3.00 (+/-0.026 @ 25oC), No Color, Specpure, NIST Traceable

CAS: 1336-21-6 | H5NO | 35.05 g/mol

Molecular Weight (g/mol) 35.05
ChEBI CHEBI:18219
Color Colorless
Physical Form Liquid
Chemical Name or Material Buffer solution
SMILES N.O
InChI Key VHUUQVKOLVNVRT-UHFFFAOYSA-N
PubChem CID 14923
CAS 1336-21-6
Health Hazard 3 P234-P390
MDL Number MFCD00066650
Solubility Information Miscible with water.
Health Hazard 1 H290
TSCA Yes
Recommended Storage Ambient temperatures
Molecular Formula H5NO
Odor Odorless
14

Buffer solution, pH 1.68 (+/-0.026 @ 25°C), No Color, Specpure, NIST Traceable

CAS: 7447-40-7

Concentration or Composition (by Analyte or Components) Potassium chloride: 0.7%; Hydrochloric acid: 0.7%; water: 98.6%
CAS 7732-18-5
Health Hazard 3 P234-P390
MDL Number MFCD00147253
Color Colorless
Solubility Information Miscible with water.
Physical Form Liquid
Health Hazard 1 H290
Chemical Name or Material Buffer solution
TSCA Yes
Recommended Storage Ambient temperatures
Odor Odorless
Vapor Pressure 23 hPa (17mm Hg) at 20°C
15

Buffer Solution, pH 4.00, Color-Coded Red (Certified), Fisher Chemical™

pH/temperature conversions given on label

ENCOMPASS_PREFERRED
Boiling Point 100°C
Description pH/temperature conversions given on label.
Color Red
Traceability to NIST Traceable to NIST.
Physical Form Liquid
Chemical Name or Material Buffer Solution, pH 4.00, Color-Coded Red
Grade Certified
Identification Pass Test
ChemAlert Storage Symbol Gray
Density 1.0g/cm³
Absorbance Pass Test
Concentration or Composition (by Analyte or Components) Potassium Hydrogen Phthalate
CAS 16423-68-0
Health Hazard 3 Emergency Overview
Contains a known or suspected carcinogen. The toxicological properties have not been fully investigated. Use personal protective equipment. Ensure adequate ventilation. Wash off immediately with plenty of water for at least 15 minutes. Get medical attention immediately if symptoms occur. Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Obtain medical attention. Move to fresh air. If breathing is difficult, give oxygen. Get medical attention immediately if symptoms occur. Do not induce vomiting. Do not induce vomiting. Obtain medical attention.

NFPA

Health:1
Flammability:0
Instability:0
MDL Number MFCD00146206
Health Hazard 2 CAUTION!
Solubility Information Soluble in water
pH 4.0
Specific Gravity 1
Melting Point 0°C