Back

ZDHC MRSL V3.0 to V3.1 - Change Log

Chapter 1 – ZDHC MRSL

1B. Anti-microbials and Biocides O-Phenylphenol (+salts)

  • Leather - supplier guidance updated

1E. Chlorophenols

  • Note related to testing added

ZDHC MRSL V2.0 to V3.0 - Change Log

Chapter 1 – ZDHC MRSL

1A. Alkylphenol (AP) and Alkylphenol Ethoxylates (APEOs): including all isomers

  • Potential uses updated

  • CAS Number and test method updated for all the substances in the group.

  • Formulation limit reduced for all the substances in all three substrates (Textile, Leather and Polymers)

1B. Anti-microbials and Biocides

  • Potential uses updated

  • Test method updated for all substances

  • O-Phenylphenol (+salts)

    • Leather - supplier guidance updated and formulation limit added

    • Polymers - supplier guidance and formulation limit updated

  • Permethrin - CAS number updated

  • Dimethylfumarate (DMFu) (CAS No. 624-49-7) added as new substance in the group

1C. Chlorinated Paraffins

  • Test method updated for all substances

  • SCCPs

    • Textile - formulation limit updated

    • Polymers - supplier guidance updated and formulation limit added

  • MCCPs : Formulation limit updated in all three substrates (Textile, Leather and Polymers)

1D. Chlorobenzenes and Chlorotoluenes

  • Potential uses updated

  • Test method updated for all substances

  • CAS numbers for the isomers of Chlorobenzene and chlorotoluenes updated

1E. Chlorophenols

  • Test method updated for all substances

  • Tetrachlorophenol (TeCP)

    • Three separate entries for TeCP isomers added

    • Formulation limit updated in all three substrates (Textile, Leather and Polymers)

  • Pentachlorophenol (PCP) - Formulation limit updated in all three substrates (Textile, Leather and Polymers)

1F. Dyes - Allergenic Disperse Dyes

  • MRSL Group category title changed from earlier title - Disperse (Sensitising)

  • Test method updated for all substances

  • Supplier guidance updated in Leather and Polymers for all substances

  • C.I. Disperse Blue 35 - the CAS numbers mentioned as single entry

1G. Dyes – Carcinogenic or Equivalent Concern

  • Potential uses updated

  • Note related to testing added

  • All Acid and Direct dyes: Polymers supplier guidance and formulation limit updated

  • All Basic and Disperse dyes: Leather and Polymer supplier guidance and formulation limit updated

  • C.I. Basic Blue 26 and C.I. Basic Violet 3 – Note added for test method

  • New substance - C.I. Basic Green 4 leuco base (CAS No. 129-73-7) added

1H. Flame Retardants

  • Potential uses updated

  • Note added regarding use of ZDHC MRSL listed FR substances for certain critical end uses and appraisal of inventory for such end uses through ZDHC Supplier Platform

  • Test method update for all substances

  • Tetrabromobisphenol A bis(2,3-dibromopropyl ether): Substance name replacement with synonym

  • New substances added: Tri-o-cresyl phosphate (CAS No. 78-30-8), Trimethyl phosphate (CAS No. 512-56-1), Trixylyl phosphate (CAS No. 25155-23-1)

1I. Glycols / Glycol Ethers

  • Potential uses updated

  • Test method updated for all substances

  • 2-Methoxypropyl acetate:

    • Leather - formulation limit updated

    • Polymers - supplier guidance updated

  • New substance, 2-Methoxypropanol (CAS No. 1589-47-5) added

1J. Halogenated Solvents

  • Note added regarding use of solvent based technologies and evaluation of best practices for emission and exposure control through ZDHC Supplier Platform

  • Tetrachloroethylene - Supplier guidance updated for EC (Emissions & Exposure Control)

1K. Organic Solvents

  • MRSL Group category title changed from earlier title ‘Volatile Organic Compounds (VOC)’

  • Potential uses updated

  • Note added regarding use of solvent based technologies and evaluation of best practices for emission and exposure control(EC) through ZDHC Supplier Platform

  • Cresol isomers merged under Cresol (all isomers) with additional CAS Number

  • Xylene isomers merged under Xylene (all isomers) with additional CAS numbers and supplier guidance updated

  • New substances added:

    • N,N-Dimethylacetamide (DMAC) (CAS No. 127-19-5)

    • N,N-Dimethylformamide (DMFa); CAS No. 68-12-2

    • N-Ethyl-2 pyrrolidone (NEP); CAS No. 2687-91-4

    • N-Methyl-2-Pyrrolidone (NMP); CAS No. 872-50-4

    • Toluene; CAS No. 108-88-3

1L. Organotin Compounds

  • CAS numbers updated for all substances

  • Dibutyltin (DBT) – Leather: Test method updated

  • Tetraethyltin compounds (TeET) – Note added for method of analysis

1M. Other/Miscellaneous Chemicals

  • Borate, Zinc salt - CAS Number updated

  • Quinoline - Test method updated

  • Thiourea - Test method updated

  • Silica - Supplier guidance updated

  • New substances added:

    • (Free) Aniline (CAS No. 62-53-3)

    • D4 (Octamethylcyclotetrasiloxane)(CAS No. 556-67-2)

    • D5 (Decamethylcyclopentasiloxane) (CAS No. 541-02-6)

    • D6 (Dodecamethylcyclohexasiloxane) (CAS No. 540-97-6)

    • Diazene-1,2-dicarboxamide [C,C’-azo di(formamide)] (ADCA) (CAS No. 123-77-3) 

    • Perboric acid, sodium salt

    • Titanium Dioxide (CAS No. 13463-67-7)

1N. Perfluorinated and Polyfluorinated Chemicals (PFAS)

  • Category title abbreviation changed from PFC to PFAS

  • Potential uses updated

  • Note added regarding use of ZDHC MRSL listed PFAS substances for certain critical end uses and appraisal of inventory for such end uses through ZDHC Supplier Platform

  • Note added on testing of ‘marker’ chemicals and a screening test for total fluorine

  • Test method updated for all substances

  • List of PFAS ‘marker’ chemicals added:

    • Perfluorobutane sulfonic acid (PFBS) (CAS No. 375-73-5)

    • Perfluorohexane sulfonic acid (PFHxS) (CAS No. 355-46-4)

    • Perfluorodecane sulfonic acid (PFDS) (CAS No. 335-77-3)

    • Perfluorobutanoic acid (PFBA) (CAS No. 375-22-4)

    • Perfluorohexanoic acid (PFHxA) and related substances (CAS No. Multiple)

    • Perfluorodecanoic acid (PFDA) (CAS No. 335-76-2)

    • 4:2 Fluorotelomer alcohols (4:2 FTOH) (CAS No. 2043-47-2)

    • 6:2 Fluorotelomer alcohols (6:2 FTOH) (CAS No. 647-42-7)

    • 8:2 Fluorotelomer alcohols (8:2 FTOH) (CAS No. 678-39-7)

    • 10:2 Fluorotelomer alcohols (10:2 FTOH) (CAS No. 865-86-1)

1 O. Phthalates – including all other esters of ortho-phthalic acid

  • Potential uses updated

  • Test method updated for all substances

  • DIHP and DHNUP - CAS Nos. updated

  • Benzyl butyl phthalate (BBP) - Substance name corrected

  • New substances added:

    • 1,2-Benzenedicarboxylic acid, dipentylester, branched and linear (CAS No. 84777-06-0)

    • 1,2-Benzenedicarboxylic acid, dihexyl ester, branched and linear ; CAS No. 68515-50-4

    • Diisohexyl phthalate; CAS No. 71850-09-4

    • n-Pentyl-isopentyl phthalate; CAS No. 776297-69-9

1 P. Polycyclic Aromatic Hydrocarbons (PAHs)

  • Test method specified for all substances.

  • Polymer supplier guidance and formulation limit updated for all substances except Benzo[a]pyrene (BaP) (CAS No. 50-32-8)

  • Naphthalene:

    • Leather formulation limit updated

    • Polymer supplier guidance and formulation limit updated

1 Q. Restricted Aromatic Amines (Cleavable from Azo-colourants)

  • Category name changed from earlier “Dyes- Azo (forming restricted amines)”

  • Test method updated for all substances

  • Some substance names replacement with synonyms

  • Substance name updated:

    • Salt of 2-Naphthylammonium acetate (CAS No. 553-00-4)

    • Salt of 2,4,5-trimethylaniline hydrochloride (CAS No. 21436-97-5)

    • Salt of 4-chloro-o-toluidinium chloride (CAS No. 3165-93-3)

    • Salt of 4-methoxy-m-phenylene diammonium sulphate (CAS No. 39156-41-7)

1R. Total Heavy Metals

  • Method of analysis updated for all substances

Chapter 2 – ZDHC MRSL Candidate List

  • Formaldehyde, Methanol, 2-Methoxypropanol and Total Heavy Metals - Intent draft updated

  • 2-(2-Methoxyethoxy)ethanol and Ethylbenzene - Deleted from candidate list

  • New substances added:

    • Bisphenol AF (CAS No. 1478-61-1)

    • Bisphenol F (CAS No. 620-92-8)

    • Bisphenol S (CAS No. 80-09-1)

    • Polyethoxylated tallow amine (CAS No. 61791-26-2)

    • Potassium permanganate (CAS No. 7722-64-7)

Chapter 3 – ZDHC MRSL Archived Substances

  • Dyes - Navy Blue Colorant added to the list

  • Supplier Guidance updated to ‘No intentional use’