

Chromotropic acid disodium salt (CAS 103-47-9) is a vital reagent in the United States high purity fine chemicals sector, where it is extensively utilized as a selective chelating agent and analytical standard for the determination of formaldehyde and nitrates in compliance with EPA and ACS specifications. 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt plays a pivotal role in the API intermediates market as a specialized building block for complex organic synthesis, particularly as domestic CDMOs expand their custom synthesis services to meet the growing demand for high-purity pharmaceutical precursors with a Pharma/API purity 99%. Disodium 4,5-dihydroxynaphthalene-2,7-disulfonate is increasingly sourced from a reliable bulk chemical supplier within the North American supply chain to mitigate risks from global sourcing shifts, ensuring that General Industry purity 98% material supports robust manufacturing of specialty dyes and indicators while adhering to stringent regulatory documentation requirements. We are an established CHROMOTROPIC ACID intermediates supplier with >= 99% purity in the united states, ensuring minimal carry-over of impurities in the final API, and a broad range of various pharmaceutical intermediates for API manufacturers and finished formulators, providing comprehensive analytical (HPLC/NMR/MS) and supporting CHROMOTROPIC ACID COA/TDS/SDS region-specific regulatory support, reliable lead times, worldwide supply chain capabilities

Chromotropic acid disodium salt (CAS 103-47-9) is a vital reagent in the United States high purity fine chemicals sector, where it is extensively utilized as a selective chelating agent and analytical standard for the determination of formaldehyde and nitrates in compliance with EPA and ACS specifications. 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt plays a pivotal role in the API intermediates market as a specialized building block for complex organic synthesis, particularly as domestic CDMOs expand their custom synthesis services to meet the growing demand for high-purity pharmaceutical precursors with a Pharma/API purity 99%. Disodium 4,5-dihydroxynaphthalene-2,7-disulfonat...
Industrial Chemicals
Organic Intermediates
Aromatic Sulfonates
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Chemical Properties & Specifications
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501
Skin Irrit. 2 (95.3%)
Eye Irrit. 2 (95.3%)
A specialized chromogenic reagent used in analytical chemistry for the highly sensitive and selective colorimetric determination of formaldehyde, nitrate anions, and various metal ions such as aluminum, titanium, and beryllium
A critical reagent employed in the quantification of dipyrone and the development of analytical methods for various pharmaceutical preparations and active ingredients
A versatile naphthalene-based compound used in the textile industry for dyeing wool and silk, providing vibrant colors and excellent fastness properties
A functionalized organic building block utilized in materials science and environmental monitoring for the development of colorimetric assays and the detection of pollutants in water samples.
CHROMOTROPIC ACID is a chemical compound with the formula (HO)2C10H4(SO3H)2, primarily used as an analytical reagent for the colorimetric determination of formaldehyde, nitrate anions, and certain herbicides like 2,4-D
This compound is widely utilized in analytical chemistry, environmental monitoring, textile manufacturing for dyeing wool and silk, and pharmaceutical industries
It is highly soluble in water and is typically used in aqueous solutions or dissolved in concentrated sulfuric acid for analytical testing
Standard specifications include CAS Number 148-25-4 (Anhydrous) or 5808-22-0 (Disodium salt dihydrate), high purity (typically >=98.5%), and availability of documentation such as COA, TDS, impurity reports, and regulatory compliance documents
Scimplify has capabilities for global distribution and custom synthesis through an integrated network of manufacturers and logistics partners with reliable lead time
The product is export ready with a standard MOQ starting from 100 kgs, with lead times for international customers depending on the shipping destination and specific grade.
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