Sulphuryl Chloride Manufacturers in India | CAS 7791-25-5 | Hazard-controlled dispatch
Shree Vinayak Chemex — Sulphuryl Chloride manufacturers in India
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ISO Tank Container Logistics for Sulphuryl Chloride — Indian Manufacturer's Playbook

S

Mr. Samir Shah

Managing Director

Introduction

For volumes above a few tonnes, drums and carboys stop making sense. Bulk Sulphuryl Chloride (SO2Cl2, CAS 7791-25-5) moves most economically in ISO tank containers — but only when the tank, the dry-atmosphere integrity, and the paperwork are handled by a manufacturer that ships this corrosive routinely. As Sulphuryl Chloride manufacturers in India, our plants at Saykha GIDC (Gujarat) and Tarapur MIDC (Maharashtra) feed Mundra, Hazira, and JNPT for ISO-tank export.

This playbook covers how we select and prepare tanks, protect product quality in transit, route to ports, and assemble documentation that clears both Indian and destination customs.

1. Why ISO tanks for Sulphuryl Chloride

An ISO tank container holds roughly 17,500–26,000 litres, eliminating hundreds of drums per shipment, cutting per-kg packaging cost, removing drum-disposal liability at the buyer's end, and reducing handling exposure. For a water-reactive Class 8 PG I liquid, fewer connections and a sealed bulk vessel also mean fewer points of moisture ingress.

2. Tank selection for a water-reactive corrosive

Sulphuryl Chloride reacts violently with water to form HCl and sulphuric acid, so tank selection centres on dry integrity and material compatibility. We use dedicated or fully compatible stainless-steel (typically SS 316L) portable tanks meeting the IMDG portable-tank requirements for UN 1834, with valves, gaskets, and seals rated for corrosive acid-chloride service.

Tanks are confirmed clean and bone-dry before filling, and headspace is managed to keep moist air out. The applicable IMDG portable-tank instruction and special provisions for UN 1834 are confirmed per shipment — never assumed from a previous booking.

3. Tank readiness checklist

CheckRequirement
MaterialSS 316L or confirmed-compatible; dedicated/last-cargo compatible
DrynessInterior dry, moisture-free before fill (water reactivity)
Seals & valvesAcid-chloride-rated gaskets; bottom + top discharge sealed
AtmosphereDry headspace managed; no moist-air ingress
Test datesValid 2.5-year / 5-year periodic test (CSC plate current)
PlacardingUN 1834, Class 8, PG I marks and orange panels applied

4. Filling, weighing and pre-dispatch QC

Each tank is filled to the permitted degree of filling for the product's density, then weighed and sampled. A batch sample is retained and the COA is issued against the published Sulphuryl Chloride specification (SO2Cl2). Net/gross/tare weights are recorded for the bill of lading and the dangerous-goods declaration.

5. Port routing from our plants

PlantNearest portsTypical use
Saykha GIDC, Bharuch (Gujarat)Hazira, MundraEurope, USA, Middle East sailings
Tarapur MIDC, Boisar (Maharashtra)JNPT (Nhava Sheva)Southeast Asia, Far East, global transshipment

6. Export documentation set

A Class 8 ISO-tank export only moves when the document set is complete and consistent. Mismatched weights or an expired SDS revision will hold a container at the port.

7. Documents that travel with the tank

DocumentPurpose
Commercial invoice & packing listCustoms valuation; net/gross weights
IMDG Dangerous Goods DeclarationUN 1834, Class 8, PG I; EmS, packing-tank instruction
Current SDSHazard + handling reference for carrier and consignee
COABatch assay/quality for incoming QC
Certificate of OriginTariff/preferential treatment at destination
HS Code 28121900Indian customs classification

8. Lead time and booking

ISO-tank bookings depend on tank availability, sailing schedules, and destination port restrictions for corrosives. Plan earlier than for drummed cargo. For bulk Sulphuryl Chloride enquiries — volume, destination port, and target sailing — reach our export desk via the Sulphuryl Chloride manufacturers in India page.

Frequently Asked Questions

How much Sulphuryl Chloride fits in an ISO tank container?

Standard ISO tank containers hold roughly 17,500–26,000 litres. The permitted degree of filling depends on the product's density and the applicable IMDG portable-tank rules for UN 1834, so usable net weight is set per shipment.

What tank material is used for Sulphuryl Chloride?

Dedicated or fully compatible stainless steel (typically SS 316L) portable tanks with acid-chloride-rated seals and valves, meeting IMDG portable-tank requirements for UN 1834. Tanks must be confirmed dry before filling due to water reactivity.

Which Indian ports handle Sulphuryl Chloride ISO-tank exports?

From our Saykha GIDC (Gujarat) plant we route via Hazira and Mundra; from Tarapur MIDC (Maharashtra) via JNPT (Nhava Sheva). Port choice depends on destination and corrosive-cargo acceptance.

What documents are required for ISO-tank export of Sulphuryl Chloride?

Commercial invoice and packing list, IMDG Dangerous Goods Declaration (UN 1834, Class 8, PG I), current SDS, batch COA, Certificate of Origin, and HS Code 28121900 classification.

Sourcing from Sulphuryl Chloride Manufacturers in India?

Shree Vinayak Chemex manufactures high-purity Sulphuryl Chloride (SO2Cl2, CAS 7791-25-5) at Saykha GIDC and Tarapur MIDC since 1979.