O-Isopropyl Methylphosphonochloridate (98% Pure)

High-purity (98%) O-isopropyl methylphosphonochloridate, a colorless to pale yellow liquid used in fine chemical synthesis. Classified specifically under HTS 2931.59.0020 due to its defined chemical structure as a halogenated organo-phosphorus compound with P-CH3 and P-Cl bonds. Supplied in stabilized glass-lined containers for safe transport.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+10.0%13.7%
🇲🇽Mexico3.7%+10.0%13.7%
🇨🇦Canada3.7%+10.0%13.7%
🇩🇪Germany3.7%+10.0%13.7%
🇯🇵Japan3.7%+10.0%13.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2931.59.00Same rate: 13.7%

If ethyl homolog (O-ethyl methylphosphonochloridate)

Different alkyl chain length changes specific compound identification within same subheading group

2909.19.18.00Higher: 30.5% vs 13.7%

If classified by chloride function without considering P-C bond

Erroneous classification as simple alkyl chloride ignores organo-phosphorus Chapter 29 priority

3824.99Higher: 15% vs 13.7%

If imported as solution in inert solvent exceeding transport limits

Solutions beyond safety/transport exceptions fall to mixtures in Chapter 38

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Import Tips & Compliance

Declare exact purity percentage; 95%+ typically qualifies for specific subheading 2931.59.0020

Include NMR/GC certificates verifying structure; critical for Customs chemical identification

Label as UN3265 Corrosive Liquid, pH <2; use secondary containment packaging