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LC4519 Phenol red
(phenolsulfonphthaleine) suitable for the biopharmaceutical production Ph Eur

 

Order number Packaging Quantity Price €
AC31519 Glass bottle 100 g inquire

 

Product information
Grade Ph Eur
Hill Formula C19H14O5S
Chemical formula (C6H4OH)2C7H4SO3
HS Code 2934 99 90
EC number 205-609-7
Molar mass 354.38 g/mol
CAS number 143-74-8

 

Chemical and physical data
Solubility 0.77 g/l (100 °C)
Melting point >300 °C
Molar mass 354.38 g/mol
Bulk density 200 – 300 kg/m3

 

Safety information
RTECS SJ7490000
Storage class 10 – 13 Other liquids and solids
WGK WGK 2 water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

 

Specifications
Assay (bromatometric, calculated on dried substance) 98.0 – 102.0 %
Purity (HPLC) ≥ 98.0 %
Identity
– A (Ph. Eur.)
1900 – 2100
– B (Ph. Eur.) passes test
– C (Ph. Eur.) passes test
Insoluble substances ≤ 0.5 %
Related substances (TLC) passes test
Sum of all impurities (HPLC) ≤ 2.0 %
Acetone (HS-GC) ≤ 5000 ppm
2-Propanol (HS-GC) ≤ 5000 ppm
Toluene (HS-GC) ≤ 890 ppm
Other residual solvents (Ph Eur) excluded by production process
Sulfated ash ≤ 0.2 %
Loss on drying (105 °C) ≤ 1.0 %