Sulforhodamine B sodium salt

3520-42-1

sodium 4-(3,6-bis(diethylamino)xanthylium-9-yl)benzene-1,3-disulfonate

Acid Red 52; Kiton Red 620

0.98

≥49.7 mg/mL in DMSO; ≥3.2 mg/mL in EtOH with ultrasonic; ≥39.8 mg/mL in H2O

O=S(C1=CC(S(=O)(O[Na])=O)=CC=C1C2=C3C(C=C(N(CC)CC)C=C3)=[O+]C4=C2C=CC(N(CC)CC)=C4)([O-])=O

C27H29N2NaO7S2

580.65

Blue ice

Store at -20°C.