Trimethyl phosphite (CAS 121-45-9): import duty, licences and trade rules in India
Trimethyl phosphite is an organophosphorus compound that is phosphane in which the three hydrogens are replaced by methoxy groups. For trade in India: OK to trade, but watch: exporting from India. Import duty is about 27.73% (tariff item 2920 23 00). DGFT policy: import Free, export Free. SCOMET export-control entry: 1C008.
Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.
Key facts
| CAS number | 121-45-9 |
|---|---|
| Formula | C3H9O3P |
| Also called | Trimethylphosphite, Trimethoxyphosphine, Methyl phosphite, Phosphorous acid, trimethyl ester |
| Tariff item (HS) | 2920 23 00 |
| Total import duty | about 27.73% |
| Anti-dumping duty (most producers) | None found |
| DGFT import policy | Free |
| DGFT export policy | Free |
| SCOMET (export control) | 1C008 |
| NDPS / precursor | Not listed |
Every answer, with its source
Rules in IndiaOK
- Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check.
- Normal factory, storage and GST rules still apply.
- Import policy (DGFT ITC(HS)) for tariff item 2920 23 00: Free, so no import licence is needed under trade policy.
Exporting from IndiaCHECK
- Export is allowed under a DGFT general authorisation (SCOMET), with reporting.
- List entry 1C008: Exportable to the countries in Table 1 of Appendix 10N under a one-time General Authorisation (GAEC); other countries need an export authorisation, and non-CWC countries a government end-use certificate (CWC Schedule 3).
- Export policy (DGFT ITC(HS)) for tariff item 2920 23 00: Free.
Global treaties & export marketsOK
- Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer).
- Registered under EU REACH, so EU importers can buy it under an existing registration.
- Active on the US TSCA Inventory, so it can be imported into the US without a new-chemical notice.
- Listed on the Australian Inventory of Industrial Chemicals (AICIS), so it can be introduced into Australia as an existing industrial chemical.
Import dutyOK
- About ₹27,730 duty on every ₹1,00,000 of import value (CIF).
- Made up of basic customs duty 7.5%, social welfare surcharge 0.75% and IGST 18%. IGST can usually be claimed back as input tax credit.
- Tariff item 2920 23 00: Trimethyl phosphite.
SafetyCHECK
- Catches fire easily
- Burns skin and eyes, eats into metal
- Irritates skin, eyes or breathing
- Can cause long-term health damage
- Flammable liquid and vapor
- Harmful if swallowed
- Harmful in contact with skin
- Causes skin irritation
- Causes serious eye damage
- Always read the supplier’s safety data sheet (SDS) before handling.
Storage, transport & PESOOK
- Flash point about 27.8 °C (CAMEO Chemicals).
- It is not a hydrocarbon, so the Petroleum Rules do not class it; storage still follows the state fire service’s rules and the factory licence.
- Ships as UN 2329 (Flammable Liquid): dangerous-goods rules apply by road, sea (IMDG) and air (IATA), with labels, packaging and a transport document.
Price and suppliersNO DATA
- Post a requirement and we will find suppliers for you.
Questions about Trimethyl phosphite
What is the import duty on Trimethyl phosphite in India?
The total import duty on Trimethyl phosphite is about 27.73% of the import value under tariff item 2920 23 00, including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on Trimethyl phosphite?
No anti-dumping duty on Trimethyl phosphite was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Trimethyl phosphite in India?
Trimethyl phosphite falls under tariff item 2920 23 00 of the Customs Tariff of India.
Is Trimethyl phosphite restricted or licensed in India?
No special Indian ban or licence found. Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check. Normal factory, storage and GST rules still apply.
Can Trimethyl phosphite be imported freely into India?
Under DGFT's ITC(HS) import policy, Trimethyl phosphite is Free.
Does exporting Trimethyl phosphite from India need a licence?
Export allowed with a licence or permission. Export is allowed under a DGFT general authorisation (SCOMET), with reporting.
Is Trimethyl phosphite hazardous?
Dangerous: handle with proper protection. Catches fire easily. Burns skin and eyes, eats into metal. Irritates skin, eyes or breathing.
Is Trimethyl phosphite regulated under global treaties or in the EU and US?
No treaty or export-market restriction found. Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer). Registered under EU REACH, so EU importers can buy it under an existing registration.
Related chemicals
Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.