C.I. Acid Yellow 23

Drug ingredient

This drug ingredient has classified U.S. production volumes. EPA withholds the number as confidential business information.

Molecular structure of 1934-21-0
US ProductionCBI
Import Value$56M
Top SourceIndia 70%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 320412 · basket

These shares come from HS customs code 320412, which covers 19 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
IN 70%IndiaMY 7%MalaysiaCH 4%SwitzerlandCN 4%ChinaDE 3%Germany
EPA-registered manufacturers (1)
Sensient Technologies
EPA-registered importers (2)
Organic Dyes And Pigments
Target

Why It Matters

Sectors
TextilesFoodHealthAgriculture
Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

  • Anubis Barcelona Regul Oil
  • Anubis Barcelona
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 1 functional role.

  • Dye in Textiles, apparel, and leather manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • Dye in Agriculture, Forestry, Fishing and Hunting (5%)Processing—incorporation into formulation, mixture, or reaction product
  • Dye in Food, beverage, and tobacco product manufacturing (95%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.03/gAaron Chemicals LLC
CountryHong Kong
Pack$16.00 / 500 g
Purity97%
Vendors5 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

4 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$0.08500 g85%
Sigma-Aldrich (Rush Stock)Germany$0.44500 g
Sigma-AldrichGermany$0.44500 g
AstaTech, IncUnited States$0.45100 g95%

Chemical Identity

CAS1934-21-0
PubChem CID164825
DTXSIDDTXSID1021455
FormulaC16H9N4Na3O9S2
Mol. Weight534.4 g/mol
SMILESC1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]

Data Sources

DTXSID10214552026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

1648252026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/164825/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/164825.json

1934-21-02026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 1934-21-02026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv