Acid Yellow 73 Soluble in water and ethanol (with strong green fluorescent), water-soluble good. In strong sulfuric acid with weak for fluorescence yellow, it will be diluted with yellow precipitation. Its water solution and sodium hydroxide with dark green fluorescence for brunet solution.
TRADE NAME:
Acid Fluorescent Yellow 10GFF,Acid Fluoresceine GDC,Acid Umnine H/Cottc,Acid Fluorescent Yellow GDC,WAbbey Uranine Liq,Abbey Uranine Pdr,ABCOL Uranine
Key properties
- Type: Acid (anionic) dye suitable for protein fibers and nylon
- Form: Powder/granules — easily dispersible in water
- Shade: Bright to medium yellow
- Substantivity: Moderate — good exhaustion with acid auxiliaries
- Leveling: Good leveling and evenness under controlled conditions
- Fastness: Moderate wet fastness; lightfastness varies by shade and substrate
- pH preference: Performs best under acidic conditions
- Compatibility: Compatible with standard acid mordants and leveling agents
- Applications: Textile dyeing (wool, silk, nylon), leather and sample tinting
- Packaging: Typical packing 25 kg bags or smaller lab packs
Application:
- Mainly used for sea of target that fluorescent, facilitate aerial reconnaissance search.
- And can use significantly for the exploration of fluorescent groundwater.
- Can also be used for medicine and cosmetics shading, rarely used for silk printing and dyeing things.
Technical Specifications
- CAS NO: 518-47-8
- CI.NO: 45350
- Molecular Formula: C20H10Na2O5
- Molecular Weight:376.27
- Shade: Brilliant yellow
What fibers are best dyed with Acid Yellow 73?
Acid Yellow 73 is optimized for protein fibers such as wool and silk and for polyamide fibers like nylon. It binds via ionic interactions under acidic dyeing conditions to produce clear yellow shades.
Can Acid Yellow 73 be blended with other dyes?
Yes — it can be mixed with compatible acid dyes to achieve custom yellow tones or to modify fastness. Test blends in lab trials to confirm shade match and fastness before production runs.
Can I use Acid Yellow 73 for automotive or outdoor textiles?
Acid dyes are primarily for indoor textile uses (apparel, interior fabrics) and nylon applications. For outdoor or high-sunlight exposure products, evaluate lightfastness and consider pigment or specialized disperse dyes that offer superior outdoor fastness.
