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HPLC Buffer Salts

Sodium Dihydrogen Orthophosphate Anhydrous for HPLC

RA000122 CAS 7558-80-7 HPLC

ReagentAtlas lists Sodium Dihydrogen Orthophosphate Anhydrous for HPLC (CAS 7558-80-7), a buffer salt for HPLC mobile-phase preparation of HPLC grade. Pack sizes: 500 g. Submit your requirement to request a quotation.

Identity

Product code
RA000122
CAS number
7558-80-7
Grade
HPLC
Purity
99%
Molecular formula
NaH 2 PO 4
Molecular weight
120

Synonyms: Sodium phosphate monobasic anhydrous

Classification

Applications
HPLC

Technical Data

Physical state
Solid
Shelf life
60 Months
HS code
2835.2200

Properties

PropertyValue
Physical state at 20 °C Solid
pH value 4.1 - 4.5 at 50 g/l at 25 °C
Melting point/ Freezing point [°C] 212°C
Boiling point [°C] 399 °C
Density [g/cm3] 2.04
Solubility in water [% weight] Soluble in water

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecification
Appearance White crystalline powder
Assay Min 99%
RP gradient test Corresponds to standard
Filter test Corresponds to standard
Solubility (0.1 g/mL in water; 25°C) Complete, colorless
pH (10% solution in water; 20°C) 4.0-4.5
at 210 nm Max 0.1
at 260 nm Max 0.06
at 280 nm Max 0.04
at 320 nm Max 0.02
at 500 nm Max 0.02

Packaging

Pack size SKU
500 g RA000122-500G