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  5. Standard Buffer Phosphate, pH 4.002, NIST, Chem-Lab

Standard Buffer Phosphate, pH 4.002, NIST, Chem-Lab

For laboratory use, pH measurements, traceable to SRM from NIST

Chemical Identifiers

CAS 877-24-7
Molecular Formula C8H5KO4
Molecular Weight (g/mol) 204.222
InChI Key IWZKICVEHNUQTL-UHFFFAOYSA-M
PubChem CID 23676735
IUPAC Name potassium;2-carboxybenzoate
SMILES C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
View More Specs

Description

Description

pH = 4.003 at 0°C
pH = 3.99 at 5°C
pH = 3.998 at 10°C
pH = 3.999 at 15°C
pH = 4.002 at 20°C
pH = 4.008 at 25°C
pH = 4.015 at 30°C
pH = 4.035 at 40°C
pH = 4.060 at 50°C
pH = 4.091 at 60°C
pH = 4.126 at 70°C
pH = 4.164 at 80°C
Specifications

Chemical Identifiers

877-24-7
204.222
23676735
C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
C8H5KO4
IWZKICVEHNUQTL-UHFFFAOYSA-M
potassium;2-carboxybenzoate

Specifications

877-24-7
4.002
PE
IWZKICVEHNUQTL-UHFFFAOYSA-M
potassium;2-carboxybenzoate
23676735
Phosphate
1.00g/mL
C8H5KO4
NIST traceable
C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
204.222
204.23g/mol
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Safety and Handling

Recommended Storage : 2 to 25°C

SDS
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