Patent Blue V

0.00

Alternate Name

Colour Shade / Description

Dark Blue Powder

ECC No.

E131

Colour Index No.

42051

CAS No.

20262-76-4

EINEC No.

243-654-4

Usage

to prepare a radiological examination or as a direct aid to dignosis of some diseases

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SKU: Patent Blue V Category:

Food Coloring: Patent Blue V is used as a food additive and has the E number E131. Medicine: It is used in lymphangiography and sentinel node biopsy to color lymph vessels. Dental: Patent Blue V is used in dental disclosing tablets to show dental plaque on teeth. The color of Patent Blue V is pH-dependent. In aqueous solution: It appears deep blue in alkaline or weakly acidic medium. It changes to yellow–orange in stronger acidic conditions. It is useful as a pH indicator for the range 0.8–3.0.