1,3,6,8-Pyrenetetrasulfonic Acid Tetrasodium Salt

1,3,6,8-Pyrenetetrasulfonic acid tetrasodium salt (PTSA)

Fluorescent Tracer Dye for cooling water treatment

CAS NO. 59572-10-0

Molecular Formula : C16H10 O12 S4 - 4 Na

PTSA (1,3,6,8-Pyrenetetrasulfonic acid tetrasodium salt) fluoresces blue in acidic solutions and in acidic organelles but fluoresces green in more basic organelles. PTSA (1, 3, 6, 8-Pyrenetetrasulfonic acid tetrasodium salt) tracer dye is a very stable UV dye that provides an excellent choice for the active on-line monitoring of cooling water treatment. It can be excited by UV light around 360nm, and emits fluorescence at around 410nm. It is stable over time, doesn`t not react easily with other substances, and environmentally safe.

PTSA can be added to the inhibitors at a fixed amount, and once added to the water circulation system, it is readily measured by a fluorometer. Please feel free to contact us for more details about such fluorometers.

Properties

• PTSA powder

Form: crystalline powder

Color: green-yellow

Content: ≥ 98%

Water: ≤ 1%

pH value: 7

• PTSA 10% solution

Form: dark greenish to brown liquid

Content: 10%

pH value: 7

UV Absorption (0.001% PTSA 375 nm): 0.8 au

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