Fast Green

Methylene Blue, Trihydrate

Indigo Carmine

Product ID
Grouped product items
Package Size Qty
25 g
100 g

Used as a tissue stain, pH indicator and viability stain. As a pH indicator, it is blue at pH 11.4 and yellow at 13.0.

As a viability stain, it will stain dead cells blue while living cells remain unstained.

Solubility Water
Physical Form Solid
Product Number I4068
CAS Number 860-22-0
Formula Weight 466.35
Formula C16H8N2Na2O8S2
Synonyms Acid Blue 74; Indigo-5,5′-disulfonic acid disodium salt; Indigocarmine; C.I. 73015
Weight 0.0000
Storage Temp. Room Temperature
Tariff Code 3204.19.5000