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HSChapter 29
U.S. imports of organo-sulfur compounds (nesoi) (HS 293090) totaled $67.4M in April 2026, traded with 29 countries.
Importers of Organo-Sulfur Compounds (NESOI) paid $7.4M in duties in April 2026 — an effective duty rate of 12% on $63.2M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataThe broadest organo-sulfur heading in Chapter 29, this residual category spans an exceptionally diverse range of compounds — from thioglycolic acid and mercaptocarboxylic acids used in cosmetics and PVC stabilizers, to phosphorothioate pesticide intermediates, to cysteine hydrochloride used in food and pharmaceutical applications. China leads US supply, with Spain, India, France, and Japan also significant sources across different compound families. The heading's 25-plus US tariff lines reflect sharp end-use distinctions: pesticide compounds, rubber-processing agents, drug intermediates, and general industrial chemicals each carry separate classification lines with potentially different duty treatment.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Classification within 293090 depends on three layered criteria: (1) aromatic vs. non-aromatic structure, (2) principal end use (pesticide, rubber processing, pharmaceutical/drug, or other), and (3) specific chemical identity for named compounds such as thioglycolic acid (2930904910) or cysteine hydrochloride (2930909210). Importers should obtain a detailed technical data sheet and, where end use is ambiguous, consider a binding ruling request from CBP to avoid misclassification penalties.
Thioglycolic acid (classified under 2930904910 or 2930904915 depending on mixture status) is used in cosmetic formulations such as permanent wave solutions and depilatory products. When imported for cosmetic use, it falls under FDA's jurisdiction and must comply with the Federal Food, Drug, and Cosmetic Act. Industrial-grade imports for PVC stabilizer or other non-cosmetic uses do not trigger FDA review but remain subject to EPA TSCA certification requirements.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2930909251 | NON-AROMATIC ORGANO-SULFUR COMPOUNDS NESOI | $18.8M | 3.90% | $675K |
| 2930904600 | DL-HYDROXY ANALOGUE OF DL-METHIONINE | $14.6M | 1.63% | $238K |
| 2930901000 | AROM ORGANO-SULFUR CMPDS USED AS PESTICIDES, NESOI | $10.9M | 35.89% | $4.1M |
| 2930902900 | OTHER AROM ORG-SULF CMPDS (EXCL PESTICIDES) | $9.7M | 10.37% | $367K |
| 2930904950 | OTHER ORGANO-SULFUR ACID COMPOUNDS | $2.2M | 10.62% | $196K |
| 2930904910 | THIOGLYCOLIC ACID | $2.1M | 5.41% | $111K |
| 2930904390 | NON-AROM ORG-SULF CMPDS USED AS PESTICIDES, NESOI | $1.7M | 18.82% | $1.2M |
| 2930909231 | OTHER NON-AROM ORG-SULF CMPDS USED PRIN FOR RUB PR | $1.6M | 3.70% | $59K |
| 2930904920 | MERCAPTOCARBOXYLIC ACIDS | $1.5M | 22.77% | $187K |
| 2930909210 | CYSTEINE HYDROCHLORIDE | $1.2M | 3.87% | $19K |
| 2930909235 | OTHER NON-AROM ORG-SULF CMPDS USED AS DRUGS | $758K | 3.70% | $28K |
| 2930903000 | NON-AROM THIOCYANATES ETC USED AS PESTICIDES | $698K | 10.62% | $74K |
| 2930904200 | O,O-DIMETHYL-S-METHYL-CARBAMOYLMETHYL PHOSPHORODIT | $680K | 10.25% | $70K |
| 2930909212 | 2-ETHYLHEXYL MERCAPTOACETATE | $577K | 3.70% | $21K |
| 2930902400 | N-CYCLOHEXYLTHIOPHTHALIMIDE | $373K | 16.50% | $62K |
| 2930909208 | O,O-DIETHYL S-PHOSPHOROTHIOATE & THIODIGLYCOL ETC | $103K | 3.70% | $2K |
| 2930902600 | HYDROGEN SUFATE ESTER; DIPHENYLTHIOUREA; ETC. | $71K | 20.72% | $15K |
| 2930909222 | N,N-DIALKYL AMIONOETHANE-2-THIOLS & PROTNATD SALTS | $9K | 3.70% | $330 |
| 2930909225 | ORG-SULF CMPDS CONT A PHOS ATOM BONDED ETC NESOI | $3K | 13.69% | $425 |
| 2930907100 | DIBUYLTHIOUREA | $0 | -- | -- |
| 2930904320 | PEST CMPDS CONT A PHOS ATOM BONDED TO A METH/ETH/N | $0 | -- | -- |
NON-AROMATIC ORGANO-SULFUR COMPOUNDS NESOI
DL-HYDROXY ANALOGUE OF DL-METHIONINE
AROM ORGANO-SULFUR CMPDS USED AS PESTICIDES, NESOI
OTHER AROM ORG-SULF CMPDS (EXCL PESTICIDES)
OTHER ORGANO-SULFUR ACID COMPOUNDS
THIOGLYCOLIC ACID
NON-AROM ORG-SULF CMPDS USED AS PESTICIDES, NESOI
OTHER NON-AROM ORG-SULF CMPDS USED PRIN FOR RUB PR
MERCAPTOCARBOXYLIC ACIDS
CYSTEINE HYDROCHLORIDE
OTHER NON-AROM ORG-SULF CMPDS USED AS DRUGS
NON-AROM THIOCYANATES ETC USED AS PESTICIDES
O,O-DIMETHYL-S-METHYL-CARBAMOYLMETHYL PHOSPHORODIT
2-ETHYLHEXYL MERCAPTOACETATE
N-CYCLOHEXYLTHIOPHTHALIMIDE
O,O-DIETHYL S-PHOSPHOROTHIOATE & THIODIGLYCOL ETC
HYDROGEN SUFATE ESTER; DIPHENYLTHIOUREA; ETC.
N,N-DIALKYL AMIONOETHANE-2-THIOLS & PROTNATD SALTS
ORG-SULF CMPDS CONT A PHOS ATOM BONDED ETC NESOI
DIBUYLTHIOUREA
PEST CMPDS CONT A PHOS ATOM BONDED TO A METH/ETH/N
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2930909275 | ORGANO-SULFUR COMPOUNDS, NESOI | $26.3M |
| 2930904990 | OTHER ORGANO-SULFUR ACID COMPOUNDS | $18.2M |
| 2930902000 | OTHER AROM ORG-SULF CMPDS (EXCL PESTICIDES) | $4.3M |
| 2930901000 | AROM ORGANO-SULFUR CMPDS USED AS PESTICIDES, NESOI | $1.5M |
| 2930904320 | PEST CMPDS CONT A PHOS ATOM BONDED TO A METH/ETH/N | $268K |
| 2930909208 | O,O-DIETHYL S-PHOSPHOROTHIOATE & THIODIGLYCOL ETC | $117K |
| 2930909215 | CYSTEINE HYDROCHLORIDE AND ISOOCTYL THIOGLYCOLATE | $82K |
| 2930909255 | DITHIOCARBONATES (XANTHATES) | $53K |
| 2930909222 | N,N-DIALKYL AMIONOETHANE-2-THIOLS & PROTNATD SALTS | $40K |
| 2930904915 | THIOGLYCOLIC ACID AND MERCAPTOCARBOXYLIC ACIDS | $32K |
| 2930904399 | NON-AROM ORGNO-SULFR CMPDS USED AS PESTICIDE NESOI | $3K |
| 2930909225 | ORG-SULF CMPDS CONT A PHOS ATOM BONDED ETC NESOI | $3K |
| 2930904310 | O-ETHYL-S-PHENYLETHYLPHOSPHONOTHIOLOTHIONATE | $0 |
| 2930904315 | ORGNO-SULFR CMPDS USED AS PESTICIDE,PHORATE(ISO) | $0 |
ORGANO-SULFUR COMPOUNDS, NESOI
5.9M kg
OTHER ORGANO-SULFUR ACID COMPOUNDS
7.5M kg
OTHER AROM ORG-SULF CMPDS (EXCL PESTICIDES)
675.7K kg
AROM ORGANO-SULFUR CMPDS USED AS PESTICIDES, NESOI
142.6K kg
PEST CMPDS CONT A PHOS ATOM BONDED TO A METH/ETH/N
17.7K kg
O,O-DIETHYL S-PHOSPHOROTHIOATE & THIODIGLYCOL ETC
6.4K kg
CYSTEINE HYDROCHLORIDE AND ISOOCTYL THIOGLYCOLATE
8.9K kg
DITHIOCARBONATES (XANTHATES)
2.8K kg
N,N-DIALKYL AMIONOETHANE-2-THIOLS & PROTNATD SALTS
8.0K kg
THIOGLYCOLIC ACID AND MERCAPTOCARBOXYLIC ACIDS
3.4K kg
NON-AROM ORGNO-SULFR CMPDS USED AS PESTICIDE NESOI
1 kg
ORG-SULF CMPDS CONT A PHOS ATOM BONDED ETC NESOI
1 kg
O-ETHYL-S-PHENYLETHYLPHOSPHONOTHIOLOTHIONATE
ORGNO-SULFR CMPDS USED AS PESTICIDE,PHORATE(ISO)
NUCLEIC ACIDS & SALTS; OTHER HETEROCYCLIC CMP, NES
HS 293499
HETEROCYCLIC COMP W NITROGEN HETERO-ATM ONLY NESOI
HS 293399
POLYPEPTIDE PROTEIN& GLYCOPROTEIN HORMONES &DERIV
HS 293719
CMPDS CONT AN UNFUSED PYRIDINE RING ETC NESOI
HS 293339
COMP WITH PYRIMIDINE OR PIPERAZINE RING, NESOI
HS 293359
ANTIBIOTICS, NESOI
HS 294190
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $17.0M | $20.0M | +$3.0M |
| SAVANNAH, GA | $12.1M | $6.5M | -$5.6M |
| LOS ANGELES, CA | $10.3M | $792K | -$9.5M |