mixture of (40 % w/w) 2,2,4-trimethylhexane-1,6-diisocyanate and (60 % w/w) 2,4,4-trimethylhexane-1,6-diisocyanate

Substance name: mixture of (40 % w/w) 2,2,4-trimethylhexane-1,6-diisocyanate and (60 % w/w) 2,4,4-trimethylhexane-1,6-diisocyanate

Use as monomer or other starting substance or macromolecule obtained from microbial fermentation (yes/no): yes

Restrictions and specifications: 1 mg/kg in final product expressed as isocyanate moiety.

Notes on verification of compliance: Verification of compliance by residual content per food contact surface area (QMA) in case of reaction with food or simulant.

Group restrictions: Group restriction No. FCM substance Nos. in group restriction Total specific migration limit [mg/kg] Group restriction specification

17 4 mixture of (40 % w/w) 2,2,4-trimethylhexane-1,6...
167 2,6-toluene diisocyanate
169 3,3′-dimethyl-4,4′-diisocyanatobiphenyl
198 diphenylmethane-4,4′-diisocyanate
274 octadecyl isocyanate
354 2,4-toluene diisocyanate
372 hexamethylene diisocyanate
460 cyclohexyl isocyanate
461 1,5-naphthalene diisocyanate
475 1-isocyanato-3-isocyanatomethyl-3,5,5-trimethyl...
476 diphenylether-4,4′-diisocyanate
485 dicyclohexylmethane-4,4′-diisocyanate
490 diphenylmethane-2,4′-diisocyanate
653 2,4-toluene diisocyanate dimer
ND expressed as isocyanate moiety

Group restriction No.	FCM substance Nos. in group restriction	Total specific migration limit [mg/kg]	Group restriction specification
17	4 mixture of (40 % w/w) 2,2,4-trimethylhexane-1,6... 167 2,6-toluene diisocyanate 169 3,3′-dimethyl-4,4′-diisocyanatobiphenyl 198 diphenylmethane-4,4′-diisocyanate 274 octadecyl isocyanate 354 2,4-toluene diisocyanate 372 hexamethylene diisocyanate 460 cyclohexyl isocyanate 461 1,5-naphthalene diisocyanate 475 1-isocyanato-3-isocyanatomethyl-3,5,5-trimethyl... 476 diphenylether-4,4′-diisocyanate 485 dicyclohexylmethane-4,4′-diisocyanate 490 diphenylmethane-2,4′-diisocyanate 653 2,4-toluene diisocyanate dimer	ND	expressed as isocyanate moiety

Legislation links: England, Scotland, Wales: Assimilated EU Regulation 10/2011

Last updated: 01 April 2025 The date the item authorisation was last updated.

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