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HSChapter 29
U.S. imports of azelaic acid, sebacic acid, their salts and esters (HS 291713) totaled $5.8M in May 2026, traded with 13 countries.
Importers of Azelaic Acid, Sebacic Acid, Their Salts and Esters paid $854K in duties in May 2026 — an effective duty rate of 15% on $5.7M in dutiable value, based on actual customs collections rather than the published tariff schedule. Azelaic Acid, Sebacic Acid, Their Salts and Esters imports of $5.8M in May 2026 ran 66% above the year-to-date monthly average of $3.5M.
Last updated: May 2026 dataSebacic acid — derived primarily from castor oil — and azelaic acid serve as specialty building blocks for high-performance lubricants, biodegradable plasticizers, and cosmetic-grade actives, giving this heading a notably diverse end-use profile. India and China together dominate US import supply, with India's position reflecting its established castor-oil processing industry. The US schedule distinguishes sebacic acid specifically at 2917130030 from azelaic acid and the broader salts and esters category at 2917130090. Imports from China may be subject to Section 301 tariffs, a material cost consideration for formulators sourcing sebacic acid for industrial lubricant applications.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Both are C9/C10 dicarboxylic acids but differ in carbon chain length and commercial origin: sebacic acid (C10) is predominantly castor-oil derived and classified at 2917130030, while azelaic acid (C9) and the remaining salts and esters fall under 2917130090. The distinction matters because end-use applications — lubricants vs. cosmetic actives vs. plasticizers — and trade-remedy exposure can differ by line.
India is the world's largest producer and exporter of castor oil, the primary feedstock for sebacic acid synthesis. This upstream raw-material advantage gives Indian manufacturers a structural cost edge, making India the top supplier under this heading to the US market.
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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 % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2917130030 | SEBACIC ACID | $2.4M | 14.20% | 76.41% | $342K |
| 2917130090 | AZELAIC ACID,SALTS & ESTERS OF AZELAIC AND SEBACIC | $725K | 7.32% | 76.81% | $53K |
SEBACIC ACID
AZELAIC ACID,SALTS & ESTERS OF AZELAIC AND SEBACIC
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2917130000 | AZELAIC ACID, SEBACIC ACID, THEIR SALTS AND ESTERS | $933K |
AZELAIC ACID, SEBACIC ACID, THEIR SALTS AND ESTERS
152.1K kg
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
| State | Imports | Exports | Balance |
|---|---|---|---|
| Ohio | $397K | $778K | +$381K |
| Illinois | $892K | $5K | -$887K |
| New Jersey | $445K | -- | -$445K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEWARK, NJ | $1.1M | -- | -$1.1M |
| NORFOLK-NEWPORT NEWS, VA | $208K | $579K | +$371K |
| LOS ANGELES, CA | $589K | $94K | -$496K |