Acid Blue 9 CAS 2650-18-2: Properties, Uses & Buying Guide | Zhishang bio
Reading time: 10 minutes
Acid Blue 9 is an artificial water-soluble colorant extensively utilized in dyeing, lab, commercial, and specialized coloring applications. For purchasers, nonetheless, identifying the ideal quality is extra difficult than merely looking for a product by name.
One vital point is that Acid Blue 9 is associated with more than one salt kind in industrial and governing data sources. CAS 2650-18-2 is connected with Acid Blue 9, while the related disodium salt is generally determined as CAS 3844-45-9. Since molecular weight, composition, and governing condition can differ with the salt type, buyers should constantly verify the specific CAS number, salt type, requirements, and Certification of Analysis (COA) before purchasing.
This guide clarifies the key buildings, applications, specs, and buying factors to consider for Acid Blue 9 CAS 2650-18-2.
- What Is Acid Blue 9 CAS 2650-18-2?
- Acid Blue 9: Key Product Information
- What Is Acid Blue 9 Used For?
- What Should Purchasers Check Prior To Purchasing Acid Blue 9?
- Just How Should Acid Blue 9 Be Stored?
- Is Acid Blue 9 Ideal for Food or Pharmaceutical Applications?
- How to Select an Acid Blue 9 Supplier
- FAQ
What Is Acid Blue 9 CAS 2650-18-2?
Acid Blue 9 is a synthetic triphenylmethane color related to the Shade Index classification C.I. 42090. It is known for its extreme blue pigmentation and water-soluble personality.
PubChem notes Acid Blue 9 under CAS 2650-18-2 and identifies FD&C Blue No. 1 and C.I. Food Blue 2 among its synonyms. EPA documents additionally recognize C.I. Acid Blue 9 as a water-soluble triphenylmethane shade additive.
Since various salt forms can show up under closely relevant names, procurement teams must not depend on the product name alone. The CAS number, chemical kind, assay, wetness, and various other specification products should be verified prior to order placement.
Acid Blue 9: Key Product Information
| Property | Information |
|---|---|
| Product Name | Acid Blue 9 |
| CAS No. | 2650-18-2 |
| Color Index | C.I. 42090 |
| Chemical Class | Triphenylmethane dye |
| Appearance | Blue to dark blue powder, depending on grade |
| Physical Form | Solid powder |
| Water Solubility | High for water-soluble grades |
| Main Function | Synthetic colorant / dye |
| Typical Documentation | COA, SDS, TDS |
Commercial specifications can differ between manufacturers and salt forms. For example, supplier technical sheets may report different molecular formulas and molecular weights for Acid Blue 9 products. Buyers should therefore use the supplier’s current specification and COA rather than relying on a generic database value.
What Is Acid Blue 9 Used For?
Acid Blue 9 has actually been made use of in a variety of coloring applications due to its strong blue color and water-soluble behavior.
Textile Dyeing
Acid dyes are typically related to fibers such as woollen and polyamide. Business Acid Blue 9 technical data sheets list applications consisting of woollen, nylon, and silk pigmentation.
The precise performance relies on the fiber, dyeing process, focus, pH, temperature level, and finishing problems. Customers ought to evaluate shade stamina and fastness according to the final textile application.
Industrial Coloring
Acid Blue 9 can also be made use of in specialized commercial tinting systems, including water-based formulas and certain paper, ink, and cleaning-related applications, depending on the quality and formula requirements.
Lab and Analytical Applications
Since Acid Blue 9 is highly tinted and water-soluble, it has also been used in logical and research study contexts. OSHA describes analytical methods including chromatography and spectrophotometric techniques for Acid Blue 9 evaluation.
What Should Purchasers Check Prior To Purchasing Acid Blue 9?
Cost should not be the only factor to consider.
A specialist buying evaluation should consist of a minimum of five areas: identity, purity, shade performance, documents, and supply consistency.
Chemical Identification
Validate the CAS number and specific chemical form. This is especially important due to the fact that Acid Blue 9 shows up in several salt types in reference and regulative data sources.
Shade Stamina
For dye applications, nominal pureness alone might not completely define efficiency. Purchasers need to additionally take into consideration color web content, color, tinting stamina, and application-specific shade efficiency.
Solubility
Water solubility can affect dissolution, formula, and application performance. Always request the vendor’s actual solubility specification and test technique.
Batch Uniformity
If you are purchasing on a regular basis, request current COAs from different batches. Regular color toughness, moisture, and requirements control are more useful than a single effective sample.
Documentation
A reliable provider must be able to provide:
☑️COA ☑️SDS ☑️TDS ☑️Requirements sheet ☑️Packing information ☑️Origin info where required ☑️Application or governing documentation when appropriate
Just How Should Acid Blue 9 Be Stored?
Acid Blue 9 must typically be saved in a tightly closed package in a completely dry, tidy setting and protected from problems that can influence product security. The specific storage demands ought to follow the supplier’s SDS and product spec.
For international purchasing, product packaging ought to additionally be appropriate for transport and humidity control. Buyers dealing with powder dyes need to use suitable work controls to reduce dirt exposure during opening, transfer, and weighing.
Is Acid Blue 9 Ideal for Food or Pharmaceutical Applications?
This question requires extra care.
FDA documents link FD&C Blue No. 1/ C.I. Acid Blue 9 with food-use information, but the appropriate FDA records and laws differentiate certain identification, salt kind, and conditions of use. As a result, customers ought to not think that any kind of business Acid Blue 9 item with CAS 2650-18-2 is automatically appropriate for food, drug, or cosmetic applications.
For regulated applications, request product-specific paperwork and verify that the exact quality, salt form, making source, purity, and planned use satisfy the needs of the target market.
How to Select an Acid Blue 9 Supplier
The best provider is not necessarily the one with the lowest quote.
For repeat getting, review the supplier’s ability to keep consistent requirements, offer batch paperwork, respond rapidly to technical concerns, and assistance secure manufacturing and distribution.
A useful supplier assessment must include:
Product high quality + set uniformity + documentation + manufacturing ability + product packaging + lead time + technical assistance.
For global buyers, it is likewise worth examining whether the vendor can offer examples before bulk purchasing and whether the product packaging and papers match the location market’s requirements.
FAQ
Both CAS numbers are connected with Acid Blue 9-related products, yet they describe various salt kinds. CAS 2650-18-2 is associated with the diammonium salt, while CAS 3844-45-9 is typically related to the disodium salt. Since the counterion can affect molecular weight, structure, and product requirements, buyers ought to verify the specific CAS number and salt type prior to placing an order.
Mass buyers should validate the CAS number, precise salt kind, dye material or assay, appearance, moisture, solubility, pH of remedy, product packaging, and set uniformity. It is additionally suggested to request a current COA, SDS, and TDS and test a representative example before dedicating to a big industrial order. For routine investing in, contrasting COAs from multiple production batches can supply a much better indicator of lasting uniformity.
Acid Blue 9 is a water-soluble color, but the actual solubility and remedy behavior can differ depending upon the salt type, product grade, temperature level, focus, and water high quality. For commercial formulations, customers should utilize the manufacturer’s requirements and advised test approach instead of relying on a common solubility worth from an online data source.
Acid Blue 9 must normally be kept in its original, tightly closed packaging and stored in a trendy, dry, tidy environment far from conditions that may introduce moisture or contamination. Due to the fact that it is usually supplied as a great powder, suitable dust-control and individual safety measures must be made use of throughout weighing and transfer. The supplier’s existing SDS should constantly be adhered to for comprehensive handling and storage space directions.
Do not contrast vendors by cost alone. Contrast the CAS number and salt kind, assay or color content, moisture, solubility, shade strength, batch uniformity, COA information, product packaging, MOQ, preparation, and technical support. A a little greater quotation might give better total worth if the provider offers more constant top quality, stronger paperwork, and extra trusted distribution.
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