Sulpho Tobias Acid

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Product Name: Sulfo Tobias Acid
Chemical Name:  1,5-Naphthalene disulfonic acid
Synonyms
: naphthalene-1,5-disulphonic acid; 1,5-Naphthalenedisulphonic acid; 1,5-naphthylenedisulfonic acid; 2-Naphthylaminedisulfonic acid; Sulfonic Tobias Acid
CAS No: 81-04-9
MF: C10H8O6S2
MW: 288.3
Category
: Dyes Intermediate
Structure:

Descriptions of sulpho Tobias acid:

White flaky crystal (with four molecules of crystal water). 240-245 ° C (anhydrate). Soluble in water and ethanol, insoluble in ether.

Use:

It is mainly used for dye intermediate.  It is also for the manufacture of 1,5 – dihydroxy naphthalene, amino C acid and other intermediates.

Storage: Storage should be cool and ventilated, away from heat, fire, to prevent sun exposure, heat is strictly prohibited.
Package: 25kg PP bag for solid powder. 200L or 250KG Drum for Liquid.

Specifications of sulpho Tobias acid:

Appearance White powder
Content ≥62%
Isomer ≤5%
Moisture ≤0.1%
Insoluble ≤0.1%
Total acidity(H2SO4) ≤13%
Package 25KG/Bag