Acid Ink Blue G

Acid Ink Blue G Manufacturer

Acid Ink Blue G, also identified as C.I. Acid Blue 93 (C.I. 42780), is a water-soluble blue dye used in blue and blue-black ink applications and selected dyeing processes. It is also traded under related names including Acid Ink Blue, Akacid Ink Blue, Aniline Blue and Conacid Blue NC. Tianjin Leading supplies this grade in powder form for buyers who need to match an existing color standard or evaluate a new dye for production.

Our product grade has 100% strength, moisture ≤5%, solubility ≥45 g/L at 80°C, and a stated pH value of 4.5–6. To check whether it fits your process, send us your intended application, target shade, required quantity and any current dye reference. We can then discuss the relevant product information and quotation.

What Is Acid Ink Blue G?

Acid Ink Blue G is the trade name used on this page for Acid Blue 93, also listed as C.I. 42780 and CAS 28983-56-4. The supplied product is a bluish-brown powder with a metallic luster.

According to our product data, Acid Ink Blue G dissolves readily in cold and hot water to form a blue solution, and is soluble in ethanol, giving a greenish-blue color. In concentrated sulfuric acid it shows a reddish-brown appearance, turning blue-purple once diluted — a simple check sometimes used to help confirm product identity on receipt.

Acid Ink Blue G Product Information

Is Acid Ink Blue G Suitable for Your Application?

This product has several principal purchasing paths: ink formulation, textile/leather dyeing, and coloring for related industrial uses.

Blue and Blue-Black Ink

Our product information lists Acid Ink Blue G for making blue and blue-black ink. Ink manufacturers should assess the shade in their finished formulation rather than judging the dry powder color alone.

It is also used for preparing color lakes, printing/stamp-pad ink, and blue printing desk ink. If your formulation uses one of these more specific ink types, mention it directly so we can confirm the grade and any dosage guidance.

For an ink inquiry, tell us:

• Whether you need a blue or blue-black shade;

• Your current dye grade or reference sample;

• The liquid medium and preparation conditions;

• Any required solubility or filtration criteria;

• Your trial quantity and expected bulk demand.

Nylon, Wool and Silk Dyeing

Our published specification lists nylon, wool and silk as dyeing applications. For any of these materials, first confirm the substrate and the production shade target. The buyer should then compare a dyed sample with the approved standard under representative processing conditions.

Cotton and Leather Coloring

Acid Ink Blue G is also used for dyeing thick silk, cotton and leather. Provide the intended substrate and required standard so suitability can be discussed before ordering.

Biological Coloring, Indicator and Paint Use

Our broader product information also lists biological coloring and indicator use. Coating and paint coloring has also been referenced for dyes of this chemical class in the industry.

General Usage Reference

As a general reference point for this class of acid dye, typical usage levels in the industry range from around 0.005% by weight in finished consumer products up to about 0.5% for inks and stains, with better shade stability generally seen under acidic conditions (pH below 7).

What Should You Compare When Replacing Your Current Acid Blue 93?

Supply and Packaging

Our published packing options for this grade are 25 kg bags and iron drums, with a minimum order quantity of 500 kg. If you need a particular pack format, label or shipping arrangement, specify it when requesting a quotation.

Frequently Asked Questions

Is Acid Ink Blue G the same as Acid Blue 93?

On this product page, Acid Ink Blue G is identified as C.I. Acid Blue 93 (C.I. 42780), CAS 28983-56-4. When buying from a new supplier, also confirm the offered strength grade and approved shade sample.

Can this dye be used to make blue-black ink?

Blue and blue-black ink are listed applications, along with color lakes, printing ink and stamp-pad ink. Confirm the final shade and dissolution in your own formulation before approving a bulk order.

Is Acid Ink Blue G suitable for nylon, wool and silk?

These three materials are listed in our published application specification, along with cotton and leather. Test the dye on the intended material and confirm any required fastness values under the appropriate method.

What is the molecular formula of Acid Ink Blue G?

It is referenced in industry data as C37H27N3Na2O9S3 with a molecular weight of approximately 799.8, though exact reported values can vary slightly by source. Request our current COA if you need a confirmed figure for documentation purposes.

What is the solubility of your Acid Ink Blue G?

Our published specification lists solubility of ≥45 g/L at 80°C in water, and the product is also soluble in ethanol. If your formulation requires a minimum result at a different temperature, include that requirement in your inquiry.

Can Acid Ink Blue G be used in paints?

Paint/coating use has been referenced for this chemical class in the industry but is not part of our currently published application list. Contact us with your intended formulation so we can confirm suitability.

What packaging and order quantity are available?

The listed packing options are 25 kg bags and iron drums, with a minimum order quantity of 500 kg. Ask about available packing for your destination when requesting a quotation.

Request an Acid Ink Blue G Quote

Tell us whether you need Acid Blue 93 for blue or blue-black ink or Acid Ink Blue G for a dyeing application. Send your target shade, current grade or reference sample, technical requirements, quantity, packing preference and destination. These details will help confirm the appropriate product information and prepare a relevant quotation.

Contact Tianjin Leading About Acid Ink Blue G