Phenol Red

Minimum Assay: 99%
Molecular Formula: C19H14O5S
Molecular Weight: 354.38 g/mol
Melting Point : >300 °C
pH transition—colour change:  pH6.5 (Yellow),  Ph8.2 (Red Violet)
Wavelength of maximum absorption (pH6.5) λ max 1:  430.0—435.0nm
Specific absorption (E 1%/1cm)  at λ max 1:   600—700
Wavelength of maximum absorption (pH8.2) λ max 2:  557.0—560.0nm
Specific absorption (E 1%/1cm)  at λ max 2:   1100—1200
Loss on drying (110˚C):  < 3.00%
Storage: Keep in tightly closed container away from moisture and direct sunlight

Cas Number: 143-74-8

Einecs Number: 205-609-7

HS Code / Commodity Code: 3822900000

Hazard Phrases: H0001