Iranian Gas-Origin Sulfur
Gas-origin sulfur bought directly from Iran’s state gas company by tender: about 60,000 tons a month, EXW or FOB, fixed terms.



Monthly production60,000 t
Tender lot30,000 t
DeliveryEXW or FOB
Payment30% advance, 70% after loading
Letter of creditNot accepted
PricingFixed, by tender
A lot of 30,000 tons can be increased by agreement. Buying direct from the state producer keeps prices at the minimum.
Forms and specification
- Available as granular and lump sulfur.
- Granular sulfur analysis is shown below. The lump specification is available on request.
Iranian granular sulfur analysis
| Parameter | Unit | Method | Value |
|---|---|---|---|
| Ash content | wt % | ISO 3425 | Max 0.09 |
| Hydrocarbon | wt % | BS 4113 | Max 0.09 |
| Purity (dry basis) | wt % | BS 4113 | Min 99.7 |
| Moisture content | wt % | BS 4113 | Max 0.8 |
| Acidity (as H₂SO₄) | wt % | ISO 3704 | Max 0.02 |
Analysis differs between producers, so check the producer’s analysis before you buy.
How to buy
- Register: send an official request (LOI or RFQ) with your company profile and documents.
- Approval: the seller reviews your financial and operational capability and may ask for more documents. Only approved buyers go on.
- Tender documents: a confidential email and the tender documents are sent to the approved buyer or its authorized representative.
- Deposit: to take part in the tender, the buyer deposits about USD 100,000 to 200,000 into the designated account.
- Bid: the buyer submits a price offer for the quantity wanted. Terms are fixed and not negotiated.
- Contract: if the offer is accepted, a formal contract is signed.
- Payment: 30% in advance and 70% in cash after loading on the vessel. No letter of credit.
- Delivery: EXW or FOB; independent inspection can be arranged on request.
Documents for registration
- Official letter of intent (LOI) or request for quotation (RFQ)
- Company profile: registered legal name and address, commercial registration number, tax ID
- Name and signature of the authorized representative
- Passport or ID of the owner or legal representative
- Proof of financial capability: bank statement, credit reference or audited financial report
Payment and delivery
- Payments are made outside Iran, in US dollars (USD), UAE dirhams (AED) or Chinese yuan (CNY).
- Sales are on EXW or FOB terms; no letter of credit under any circumstances.
- Pre-shipment inspection by an independent inspection company can be arranged on request.
In-person meetings
- Send an official coordination request at least two weeks in advance.
- List the foreign participants with passport copies and Iranian participants with national ID cards.
- The meeting is then coordinated with the relevant units.
Compliance: buyers are responsible for checking the sanctions and trade rules that apply to them and should take legal advice before registering.