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Product name
Naphthol Green B
Alternative names
Acid Green 1, CI 10020
Description
Naphthol Green B dye powder is the green dye in Hercules Size Test Ink with other uses including indicator, tracer, microscopy stain and for sensing hydrogen peroxide. It is in the acid dye class of colours and is soluble in water, but it also has formic acid solubility.
Naphthol Green B bright green dye is in the acid class of dyes and has a complex structure containing both sodium and ferric ions. It had past uses in printing inks, colouring wool, silk, nylon, paper, wood, soap, leather and aluminium. More recently, it has found uses histology to stain collagen and as an addition to solar water evaporation systems.
Application
Dye used in Hercules Size Test Ink, Indicator
Quantity
G to Kg
Package
Bottle
Availability
In Stock
Other information
Lambda Max Absorbance 230nm in water with weak absorbance in the near infra red part of the spectrum.
Further reading & references
Below you’ll find a curated collection of references related to this product. These sources include academic research, review articles, and case studies that explore the chemistry, applications, and sustainability benefits our products. Whether you’re looking for in-depth technical details or broader insights into their real-world use, these references are a great place to start.
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Size Test for Paper by Ink Resistance [Hercules-Type Method]
TAPPI T-530.
Product number
21NG25
CAS Number
19381-50-1
EC Number
243-010-2
