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Naphthalene, 1,2,3,4-tetrahydro-1,1,6-trimethyl-

CAS 475-03-6

Molecular structure of 475-03-6
US productionNot reported
Import value, 2024$68M
Top sourceIndia 35%

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 290290 · basket

These shares come from HS customs code 290290, which covers 171 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 35%IndiaTW 11%TaiwanES 10%SpainDE 10%GermanyCN 8%China

Why It Matters

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

Vendor Pricing

$639.20/gAngene Chemical
CountryChina (registered: Hong Kong)
Pack$6392.00 / 10 g
Purity95%
Vendors6 available

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

5 more vendors
VendorCountry$/gPackPurity
Aaron Chemicals LLCHong Kong$641.9010 g95%
A2B Chem LLCUnited States$1215.001 g95%
AA BLOCKSUnited States$1350.001 g95%
AstaTech (2 weeks)United States$1890.001 g95%
Angene International LimitedUnited States$2073.001 g95%

Chemical Identity

CAS475-03-6
PubChem CIDNot recorded
DTXSIDDTXSID0052120
FormulaC13H18
Mol. Weight174.287 g/mol
SMILESCC1=CC=C2C(CCCC2(C)C)=C1

Data Sources

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Brief citations

Naphthalene, 1,2,3,4-tetrahydro-1,1,6-trimethyl- (CAS 475-03-6) https://chemicalindependence.com/chemical/475-03-6/ EPA TSCA Inventory: CAS 475-03-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290290 for CAS 475-03-6. Reporting year: 2024. https://usatrade.census.gov/