C.I. Acid Black 1, disodium salt

CAS 1064-48-8

Companies reported imports and no US production of this chemical to EPA for 2019.

Molecular structure of 1064-48-8 — 2 Na⁺

US productionZero

Import value, 2024$56M

Import volume27.2K lb

Import dependency100%

Top sourceIndia 70%

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

C.I. Acid Black 1, disodium salt · US import value by year

2013: $63M · Peak 2022: $90M · 2024: $56M · 2025: $58M

Where It Comes From

Customs basis: HS 320412 · basket

EPA reports by year

2019: US production Zero · Imports 27.2K lb

These shares come from HS customs code 320412, which covers 106 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IN 70%IndiaMY 7%MalaysiaCH 4%SwitzerlandCN 4%ChinaDE 3%Germany

Ireland
United Kingdom
Spain
South Korea
Denmark
Pakistan
Hong Kong
Czech Republic
Brazil
Turkey

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Target

Why It Matters

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

Vendor Pricing

$29.00/gTargetMol Chemicals

CountryChina (registered: United States)

Pack$29.00 / 1 g

Purity99.99%

Vendors1 available

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

Chemical Identity

CAS1064-48-8

PubChem CID135442942

DTXSIDDTXSID1024415

FormulaC22H14N6Na2O9S2

Mol. Weight616.5 g/mol

SMILESC1=CC=C(C=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC4=CC=C(C=C4)[N+](=O)[O-])N)O.[Na+].[Na+]

Data Sources

EPA CompTox (DSSTox) · DTXSID1024415Retrieved 2026-04-06
PubChem · compound 135442942Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

C.I. Acid Black 1, disodium salt (CAS 1064-48-8) https://chemicalindependence.com/chemical/1064-48-8/ EPA CompTox (DSSTox): DTXSID1024415. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1024415 PubChem: 135442942. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/135442942 EPA Chemical Data Reporting: 1064-48-8. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320412 for CAS 1064-48-8. Reporting year: 2024. https://usatrade.census.gov/