Disperse Red 88

CAS 16588-67-3

Propanenitrile, 3-[ethyl[3-methyl-4-[2-[6-(methylsulfonyl)-2-benzothiazolyl]diazenyl]phenyl]amino]-

Molecular structure of 16588-67-3
US productionNot reported
Import value, 2024$104M
Top sourceChina 56%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293420 · basket

These shares come from HS customs code 293420, which covers 76 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 56%ChinaBE 33%BelgiumIN 4%IndiaIT 3%ItalyES 2%Spain

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$1203.00/gA2B Chem LLC (1 week)
CountryUnited States
Pack$1203.00 / 1 g
Purity95%
Vendors2 available

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

Chemical Identity

CAS16588-67-3
PubChem CIDNot recorded
DTXSIDDTXSID1051775
FormulaC20H21N5O2S2
Mol. Weight427.54 g/mol
SMILESCCN(CCC#N)C1=CC=C(N=NC2=NC3=C(S2)C=C(C=C3)S(C)(=O)=O)C(C)=C1

Data Sources

Brief citations

Disperse Red 88 (CAS 16588-67-3) https://chemicalindependence.com/chemical/16588-67-3/ EPA TSCA Inventory: CAS 16588-67-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293420 for CAS 16588-67-3. Reporting year: 2024. https://usatrade.census.gov/