Sodium Dichromate

Sodium Dichromate (Na₂Cr₂O₇) Supplier for Non-EU Markets & Authorized Users

Chemical name Sodium Dichromate (anhydrous)
Chemical formula Na₂Cr₂O₇
CAS number 10588-01-9
EC number 234-190-3
UN number UN 3087
ADR classification Class 5.1 / 6.1 – Oxidizing Toxic Solid
Packing group II

Gentrochema supplies Sodium Dichromate (Na₂Cr₂O₇) exclusively under specific regulatory conditions and in accordance with applicable international chemical legislation and hazardous goods transport regulations.

Sodium dichromate is a hexavalent chromium compound (Cr VI) listed under REACH Annex XIV (Authorisation List) and classified as a Substance of Very High Concern (SVHC) within the European Union.

Regulatory Status

Gentrochema BV does not hold an active EU REACH Authorisation for Sodium Dichromate.

As a result, Gentrochema can only supply this product under the following conditions:

  • Supply to customers located outside the European Union / European Economic Area
  • Supply under T1 customs status (non-EU customs cleared goods)
  • Supply to customers who possess their own valid REACH Authorisation for the intended use within the EU/EEA

Sodium dichromate may therefore only be supplied where all applicable regulatory obligations are fulfilled by the customer or where the material remains outside EU customs free circulation.

What is Sodium Dichromate?

Sodium dichromate (Na₂Cr₂O₇) is a reddish to bright orange crystalline inorganic compound containing hexavalent chromium (Cr VI). The product is a strong oxidizing agent widely used in industrial chemical processes and specialized surface treatment applications.

The substance is highly soluble in water and valued for its oxidizing, corrosion-inhibiting and metal treatment properties. Sodium dichromate is frequently used as an intermediate for the production of other chromium compounds and in industrial oxidation systems.

Due to its toxicological classification and environmental hazards, sodium dichromate is subject to strict regulatory control under REACH, CLP, ADR, IMDG and IATA legislation.

The substance is classified as:

  • Toxic
  • Carcinogenic
  • Mutagenic
  • Reprotoxic
  • Environmentally hazardous
  • Strong oxidizer

Signal word: Danger.

Industrial Applications

Sodium dichromate has historically been used in specialized industrial applications such as:

  • Metal surface treatment
  • Aerospace & defense applications
  • Corrosion inhibition systems
  • Laboratory reagents
  • Pigment and specialty chemical manufacturing
  • Wood preservation systems
  • Production of chromium compounds
  • Electrolytic passivation systems
  • Oxidation processes in chemical industry
  • Surface treatment of aluminium, steel, zinc, magnesium, titanium and alloys

Certain industrial applications within the EU/EEA may only be permitted where covered by a valid REACH Authorisation held by the user or upstream supply chain.

Safety & Handling

Sodium dichromate must be handled exclusively by trained professionals using appropriate industrial safety procedures and personal protective equipment.

Avoid inhalation of dust and prevent contact with skin and eyes. The product should be stored in tightly closed original packaging in a dry and well-ventilated area, away from combustible materials, reducing agents, acids and incompatible substances.

For transport purposes the product is classified as:

  • UN 3087
  • ADR Class 5.1 / 6.1
  • Packing Group II
  • Environmentally hazardous substance

Packaging & Logistics

Sodium dichromate is supplied exclusively in:

  • 25 kg bags
  • 1200 kg pallet units

Minimum order quantity:

  • 1200 kg per order/shipment

The product is packed in suitable hazardous goods packaging for international transport and export applications, subject to applicable legal restrictions and customer compliance obligations.

Supply possibilities are evaluated case-by-case depending on destination country, regulatory status and intended application.

International Supply & Compliance

Gentrochema supports international customers with:

  • Export logistics
  • T1 customs procedures
  • Dangerous goods documentation
  • International transport coordination
  • Regulatory communication

Customers are solely responsible for ensuring compliance with all applicable local, national and international regulations concerning the import, use, storage and handling of Sodium Dichromate.

Request Information

For regulatory inquiries, export possibilities, technical specifications or international supply requests regarding Sodium Dichromate, please contact our team directly.

👉 info@gentrochema.nl
👉 www.gentrochema.nl