3,3'-Dichlorobenzidine Dihydrochloride: direct from source to Europe

It is also sold as DCB dihydrochloride, 3,3'-Dichlorobiphenyl-4,4'-diamine dihydrochloride, o-Dianisidine analogue dihydrochloride salt. All refer to CAS 612-83-9. Confirm the CAS number with any supplier before ordering.

Price depends on grade, volume, packing, Incoterm and destination port, and moves with raw material markets. Send us your requirement and we will quote in EUR or USD with a landed-cost breakdown, usually within one business day.

3,3'-Dichlorobenzidine Dihydrochloride (CAS 612-83-9) is the dihydrochloride salt of a benzidine-type diamine, used as a diazo component for diarylide (benzidine yellow and orange) azo pigments. It is a regulated carcinogen and is supplied only for controlled industrial use under closed processes.

Standard grade offers 97.0% minimum HPLC assay. Premium grade offers 98.0% minimum with lower moisture and ash. Both grades are supplied only under the closed-system controls described above; grade does not change the regulatory status of the material.

Because 3,3'-dichlorobenzidine and its salts are Category 1B carcinogens under CLP, and are restricted or banned for open use in a number of jurisdictions, we supply this material only to verified industrial users operating closed, engineered manufacturing systems with documented exposure controls, and we confirm your REACH authorisation or exemption status, and any national restrictions, before quoting. Please provide your intended process and site controls with your enquiry.

3,3'-Dichlorobenzidine and its dihydrochloride salt are Category 1B carcinogens under CLP, are listed as a REACH Substance of Very High Concern, and are subject to authorisation and, in some jurisdictions, use bans or severe restrictions. We confirm the current status for your specific application and site before quoting, and supply only under appropriate contractual and regulatory controls.

Store sealed in a dedicated, access-controlled area under closed conditions, away from moisture, oxidisers and any process that could generate dust or aerosol. Use only within a closed engineered system with appropriate exposure controls.

It is treated as a toxic dangerous good (class and UN number per SDS; always confirm on the current SDS). We pack it in UN-approved, sealed containers designed for closed-system unloading, apply CLP labels including carcinogen hazard statements, and ship through licensed forwarders under IMDG for sea and ADR for European road, subject to any applicable export or use-authorisation controls.

Yes. Laboratory and pilot samples are supplied with a COA and SDS so your team can qualify the grade. Mention sample needs in your enquiry.

REACH status is confirmed before we quote. We advise on importer-of-record arrangements and whether the substance is registered for your use. Send your use descriptor and we will confirm.