|
|
| Sodium Sulfanilate |
| [ Structural formula ] |
 |
| [ Molecular formula ] |
C6H10O5NSNa |
| [ Molecular weight ] |
231.20 |
| [ Standard ] |
HG/T 2746-1996 |
| [ CAS NO ] |
515-74-2 |
| |
| Item |
Value |
| Appearance |
pink or light rosy crystal |
| Assay (%) |
≥ 97.0 |
| Aniline (%) |
≤ 0.01 |
| Water insoluble matter (%) |
≤ 0.2 |
|
| [ Properties ] |
flash flaky crystal with dihydrate |
| [ Uses ] |
used in the making of acid dye, direct dye, reactive dye , reserving agent H, Aid B, brightener |
| |
BG, or used in pesticide, it also is the material of flavor, pigment, medicine and building material |
| [ Packing ] |
25kg in plastic bag lined woven bag or following your demand |
| [ Transportation ] |
No knocked or broken, avoid rain |
| [ Storage ] |
in dry and airiness place, avoid moisture and deterioration. |
| |
| Basic yellow |
| [ CAS ] |
2465-27-2 |
| [ Structure ] |
 |
| [ Molecular formula ] |
C17H22N3Cl |
| [ Relative molecular weight or atomic weight ] |
303.84 |
| [ Melting point ] |
250℃ |
| [ Use ] |
Mainly used for cellulose acetate, cotton dyeing, also used in paper, leather, paints and other coloring |
| [ Property ] |
Yellow uniform powder, soluble in water, soluble in hot water was bright yellow, soluble in ethanol, yellow, and its solution when the temperature exceeds 70 ℃ will be broken down into four methyl benzophenone, and its solution by adding concentrated sulfuric acid was colorless , diluted pale yellow |
| [ Solubility ] |
Insoluble in cold water and ether, soluble in hot water and ethanol. |
| [ Use ] |
Light fastness is low. Mainly used for linen, paper, leather, straw fabric, rayon dyeing, also used for dyeing cotton. The color lakes used for making wallpaper, colored paper, ink and paint. For acetate fibers; mordant dyeing cotton, but the low-fastness, bright color, can be used to fight the system green or red. Also be used for leather; paper; linen and viscose dyeing. Alkali could be used for oil; fat; paint coloring. Preparation of color lakes can be used for printing ink. |
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