Organic spirit wet fluorescein dye, paste (C.I. Solvent Yellow 94)

TU 2483-303-00204197-2014
C.I. Solvent Yellow 94

Application

Used:

• in dye production such as Eosine, Uranine A;
• as a tinting agent in household chemicals;
• for water leak detection in heating systems;
• as an indicator in oil-fileld industry for tracing underground water direction.

Appearance, properties

Red-brown paste, combustible upon drying. Autoignition temperature: аerogel - 473°С, aerosol - 503°C. Fluorescein belongs to xanthene dyes by chemical structure and to acid dyes by technical properties. Insoluble in benzene, chloroform. Poorly soluble in cold water, spirit, acetic acid. Soluble in caustic alkalis with fluorescence and formation of the corresponding salts.

Quality indices

Mass fraction of matter insoluble in hydrochloric acid, in paste, %, min	70
Mass fraction of matter insoluble in hydrochloric acid, in terms of dry product, %, min	96

Packing

Cardboard winding drums with polyethylene liners. Capacity - 50 dm³. Net weight - 30 kg.

Transportation

Dispatching by all kinds of transport in accordance with the rules and regulations of the corresponding transport mode.

Guaranteed storage period

12 months from the date of production.

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For further information on products purchasing please contact also the Sales and Foreign Relations Department on fax: 8 or at , .

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