Sodium dichromate

CAS Number
Sodium dichromate
SIN Groups
Chromium compounds
Reason for inclusion on the SIN List
Classified CMR according to Annex VI of Regulation 1272/2008
Date for inclusion on the SIN List
2008 September
REACH status, appears on
Source: ECHA
Candidate list
Authorisation list (annex XIV)
Registration information
Source: ECHA
Full registration
Hazard class and category code(s)
Source: ECHA
Ox. Sol. 2
Carc. 1B
Muta. 1B
Repr. 1B
Acute Tox. 2 *
Acute Tox. 3 *
Acute Tox. 4 *
Skin Corr. 1B
Resp. Sens. 1
Skin Sens. 1
Aquatic Acute 1
Aquatic Chronic 1

Chemical information

Natriumdichromat; Dicromato de sodio; Dichromate de sodium; Disodium dichromate, Sodium dichromate anhydrate
EC number
Hazard statement code(s)
Source: ECHA
Possible uses
Source: HSDB
Water treatment, cooling water, metals, glass, wood and lumber
Technical function of substances
Source: HSDB
Corrosion inhibitor, oxidizing agent, colourant, pesticide,
Registered use(s) - Sector End Use (SU)
Source: ECHA
SU 10: Formulation [mixing] of preparations and/or re-packaging (excluding alloys)
SU 12: Manufacture of plastics products, including compounding and conversion
SU 15: Manufacture of fabricated metal products, except machinery and equipment
SU 16: Manufacture of computer, electronic and optical products, electrical equipment
SU 17: General manufacturing, e.g. machinery, equipment, vehicles, other transport equipment
SU 24: Scientific research and development
SU 2a: Mining (without offshore industries)
SU 5: Manufacture of textiles, leather, fur
SU 8: Manufacture of  bulk, large scale chemicals (including petroleum products)
SU 9: Manufacture of fine chemicals
Registered use(s) - Chemical Product category (PC)
Source: ECHA
PC 14: Metal surface treatment products, including galvanic and electroplating products
PC 15: Non-metal-surface treatment products
PC 19: Intermediate
PC 20: Products such as ph-regulators, flocculants, precipitants, neutralisation agents
PC 21: Laboratory chemicals
PC 23: Leather tanning, dye, finishing, impregnation and care products
PC 29: Pharmaceuticals
PC 34: Textile dyes, finishing and impregnating products
including bleaches and other processing aids
PC 39: Cosmetics, personal care products
PC 7: Base metals and alloys
PC 9a: Coatings and paints, thinners, paint removes
PC 9b: Fillers, putties, plasters, modelling clay
Registered use(s) - Article category (AC)
Source: ECHA
AC 1: Vehicles
AC 5: Fabrics, textiles and apparel
AC 7: Metal articles
Registered use(s) - Environmental Release Category (ERC)
Source: ECHA
ERC  7: Industrial use of substances in closed systems
ERC 10a: Wide dispersive outdoor use of long-life articles and materials with low release
ERC 11a: Wide dispersive indoor use of long-life articles and materials with low release
ERC 1: Manufacture of substances
ERC 2: Formulation of preparations
ERC 4: Industrial use of processing aids in processes and products, not becoming part of articles
ERC 5: Industrial use resulting in inclusion into or onto a matrix
ERC 6a: Industrial use resulting in manufacture of another substance (use of intermediates)
ERC 6b: Industrial use of reactive processing aids
ERC 8b: Wide dispersive indoor use of reactive substances in open systems
Registered use(s) - Process Category (PROC)
Source: ECHA
PROC 10: Roller application or brushing
PROC 13: Treatment of articles by dipping and pouring
PROC 14: Production of preparations or articles by tabletting, compression, extrusion, pelletisation
PROC 15: Use as laboratory reagent
PROC 19: Hand-mixing with intimate contact and only PPE available.
PROC 1: Use in closed process, no likelihood of exposure
PROC 21: Low energy manipulation of substances bound in materials and/or articles
PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
PROC 24: High (mechanical) energy work-up of substances bound in materials and/or articles
PROC 26: Handling of solid inorganic substances at ambient temperature
PROC 2: Use in closed, continuous  process with occasional controlled exposure
PROC 3: Use in closed batch process (synthesis or formulation)
PROC 4: Use in batch and other process (synthesis) where opportunity for exposure arises
PROC 5: Mixing or blending in batch processes for formulation of preparations and articles (multistage and/or significant contact)
PROC 7: Industrial spraying
PROC 8a: Transfer of substance or preparation (charging/discharging) from/to vessels/large containers at non-dedicated facilities
PROC 8b: Transfer of substance or preparation (charging/discharging) from/to vessels/large containers at dedicated facilities
PROC 9: Transfer of substance or preparation into small containers (dedicated filling line, including weighing)


Company Group
Company Name
AD International

AD International BV, Markweg Zuid 27, 4794 SN, Heijningen Noord-Brabant, Netherlands

AMG Advanced Metallurgical Group

AMG Superalloys UK Limited, Fullerton Road, S60 1DL, Rotherham South Yorkshire, United Kingdom


ARKEMA FRANCE, 420 rue d'Estienne d'Orves,92700, COLOMBES, France


Aspen Oss BV, Kloosterstraat 6, 5349 AB, Oss, Netherlands

Bondex Trading Limited

BONDEX TRADING LTD in its legal capacity as Only Representative of Aktyubinsk Chromium Chemicals Plant, Kazakhstan, Abacus House 33 Gutter Lane, EC2V 8AR, London, United Kingdom


Brenntag UK Ltd, Green Lane, LS19 7XX, Leeds, United Kingdom


CROMITAL S.P.A. in its legal capacity as Only Representative of Soda Sanayii A.S., Strada Quattro, Pal. A7 - 20090 Assago (MI) Italia,20090, Assago/Milano, Italy


ELEMENTIS CHROMIUM INC, 5408 Holly Shelter Road, Castle Hayne, New Hanover, 28429-6350, NC, , USA

ELEMENTIS LTP, L.P., 546 South Water Street, Milwaukee, Milwaukee, 53204-1646, WI, , USA


Henkel AG & Co. KGaA, Henkelstrasse 67,40191, Duesseldorf North-Rhine Westfalia, Germany

Henkel Global Supply Chain B.V., Brugwal 11, 3432NZ, Nieuwegein, Netherlands

Honeywell International

Honeywell Specialty Chemicals Seelze GmbH, Wunstorfer Strasse 40, D-30926, Seelze Lower Saxony, Germany

Ilario Ormezzano Sai

Ilario Ormezzano Sai Spa, Via Cavour 120 13894 Gaglianico Biella, , Italy


Lanxess Argentina OR, Chempark,51369, Leverkusen NRW, Germany

LANXESS CORP, 111 Ridc Park West Dr, Pittsburgh, Allegheny County, 15275-1112, PA, , USA

LANXESS Deutschland GmbH in its legal capacity as Only Representative of LANXESS CISA (Pty) Ltd., Kennedyplatz 1,50569, Köln Nordrhein-Westfalen, Germany

Ruschrome Trading

RusChrome GmbH, Industriestrasse 4,70565, Stuttgart, Germany

Service Provider

Chemical Inspection & Regulation Service Limited, Singleton House, Laurence Street, Co. Louth, Drogheda, Ireland

Gentrochema BV, Esdoornlaan 19a, 4254 AT, Sleeuwijk, Netherlands

REACHLaw Ltd., Vänrikinkuja 3 JK 21 , FI-02600, Espoo, Finland


ATOTECH USA, 1750 Overview Drive, Rock Hill, York, 29730, SC, , USA

United States Steel

U. S. Steel Košice, s.r.o., Vstupny areal U. S. Steel,4454, Košice Slovensko, Slovakia


UNIVAR USA INC, 17411 Ne Union Hill Rd., Redmond, King, 98052, WA, , USA

Source: ECHA