Endrin Reference Standard 99% Pure
Endrin Reference Standard 99% Pure is a high-purity analytical grade of the epoxide compound used for calibration in pesticide residue testing laboratories. As a separate chemically defined organic compound with three-membered ring, it qualifies for HTS 2910.50.00.00. Essential for environmental monitoring and quality control in agriculture.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If diagnostic reagents kit containing endrin standards
Reagents for chemical/physical analysis in kit form classified in 3822, taking precedence over pure compounds.
If structurally reclassified as heterocyclic compound
Certain epoxy structures may fall under 2933 heterocyclics if ring system interpretation differs from 2910 epoxides.
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Import Tips & Compliance
• Provide NIST-traceable certificate of analysis showing ≥99% purity to confirm Chapter 29 classification
• Declare as 'Reference Standard' on commercial invoice; lab-use exemption may apply for certain EPA restrictions
• Ship in amber glass ampoules with inert atmosphere; avoid temperature excursions above 25°C during transit
Related Products under HTS 2910.50.00.00
Endrin Technical Grade 95%
Endrin Technical Grade 95% is a highly concentrated formulation of the organochlorine insecticide endrin, consisting primarily of the epoxy compound with three-membered ring structure as defined in HTS 2910.50.00.00. It is used for agricultural pest control on crops like cotton and rice. This separate chemically defined organic compound falls under Chapter 29 heading 2910 for epoxides.
Endrin Aqueous Solution 1mg/L
Endrin Aqueous Solution 1mg/L is endrin dissolved in water per Chapter 29 note (d), maintaining classification in HTS 2910.50.00.00. Used for standard curve preparation in GC-MS pesticide analysis. The dilute solution constitutes a normal method for safe transport of this epoxide.
Endrin 20% Wettable Powder
Endrin 20% Wettable Powder contains endrin as the active epoxy ingredient in a dispersible powder form for crop protection. While primarily endrin, the formulation includes wetting agents but remains classified under HTS 2910.50.00.00 when imported as the separate chemically defined compound. Used historically for soil insect control in agriculture.
Endrin-Keto Isomer Mixture
Endrin-Keto Isomer Mixture contains endrin and its keto-epoxy degradation product, classified under HTS 2910.50.00.00 as halogenated epoxide derivatives. Used in analytical toxicology studies. Meets Chapter 29 note (b) for mixtures of isomers of the same organic compound.