Product description:
Acid red 374 is colourful red yellow light. Dark red powder, soluble in water for orange red, slightly soluble in ethanol for golden brown.
The strong sulfuric acid to red light purple, to orange diluted.
The dye solution to join strong hydrochloric acid for orange red, add thick sodium hydroxide solution for orange brown.
Used for wool, silk and polyamide fiber dyeing.
CAS no. : 6507-78-4
Molecular formula: C38H29N4Na3O11S3
Molecular weight: 882.82137
EINECS no. : 229-397-0
Strength: 100%
Storage conditions: at 20ºC 2 years
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