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Annex II Entry 1118 CMR21/10/2010

2-Methyl-m-phenylene diisocyanate (Toluene 2,6-diisocyanate)

2-Methyl-m-phenylene diisocyanate (Toluene 2,6-diisocyanate) is listed in Annex II as a prohibited substance for cosmetic products placed on the EU market.

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Prohibited substance— Annex II, EU Regulation 1223/2009
Entry: 1118
CMR

Chemical identity and properties

PubChem 2D chemical structure for CAS 91-08-7
CAS 91-08-7PubChem CID 7040

Toluene 2,6-Diisocyanate

Toluene 2,6-diisocyanate is a toluene meta-diisocyanate in which the isocyanato groups are at positions 2 and 6 relative to the methyl group on the benzene ring. It has a role as an allergen and a hapten. — ChEBI

IUPAC name
1,3-diisocyanato-2-methylbenzene
Molecular formula
C9H6N2O2
Molecular weight
174.16 g/mol
Exact mass
174.042927438 Da
XLogP3
3.9
Topological polar surface area
58.9 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
0

Also known as

2,6-DiisocyanatotolueneToluene-2,6-diisocyanate2,6-TOLUENE DIISOCYANATE2,6-TDIm-Tolylene diisocyanateBenzene, 1,3-diisocyanato-2-methyl-meta-Tolylene diisocyanate2,6-Diisocyanato-1-methylbenzene
16 more reported names
2-Methyl-meta-phenylene isocyanateTolylene 2,6-diisocyanateIsocyanic acid, 2-methyl-meta-phenylene esterBenzene, 2,6-diisocyanato-1-methyl-CHEBI:53557Isocyanic acid, 2-methyl-m-phenylene ester2-Methyl-m-phenylene isocyanate2,6-toluene-diisocyanateHylene ticRefChem:445869202-039-02-Methyl-m-phenylene diisocyanateTolylene-2,6-diisocyanate2,6-toluenediisocyanate1,3-diisocyanato-2-methyl-benzeneCCRIS 3741
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Record details

Chemical name

2-Methyl-m-phenylene diisocyanate (Toluene 2,6-diisocyanate)

Regulatory information

Regulation

(EC) 2009/1223

See every entry this act set

SCCS opinions

CMR

CategoryCarcinogenicMutagenicReprotoxic
Cat. 2✓——

Key data

CAS
91-08-7
EC
202-039-0
Annex
II
Entry number
1118

Inventory links for 2-Methyl-m-phenylene diisocyanate (Toluene 2,6-diisocyanate)

Inventory Restriction reference
Ref 95283

TOLUENE DIISOCYANATE

CAS: 26471-62-5 [1] / 584-84-9 [2] / 91-08-7 [3]
EC: 247-722-4 [1] / 209-544-5 [2] / 202-039-0 [3]

Direct matches are limited for this record, so nearby entries from Annex II are shown as well.

Annex II 1115
Nearby record in the same annex

Fentin acetate

CAS: 900-95-8
EC: 212-984-0

What Annex II means for 2-Methyl-m-phenylene diisocyanate (Toluene 2,6-diisocyanate)

2-Methyl-m-phenylene diisocyanate (Toluene 2,6-diisocyanate) is listed as a prohibited substance under Annex II of EU Cosmetics Regulation 1223/2009 and must not be intentionally added. Article 17 separately addresses unintended small quantities that are technically unavoidable under good manufacturing practice and compatible with the Article 3 safety requirement.

Formulators must screen their ingredients and raw materials to ensure none contain this substance. Suppliers should provide documentation confirming absence when requested.

This record is linked to 1 CosIng inventory ingredient for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.

Compliance checklist

  • Verify this substance is absent from all raw materials and finished formulations.
  • Request absence confirmation or CoA from raw material suppliers.
  • Document the screening result in the Product Information File (PIF).
  • This substance has CMR classification. Review the CMR table above and verify current Annex II/III status before use.

Frequently asked questions

Yes. 2-Methyl-m-phenylene diisocyanate (Toluene 2,6-diisocyanate) is listed in Annex II of EU Cosmetics Regulation 1223/2009 and is prohibited as an intentionally added cosmetic ingredient. Article 17 provides a narrow exception for unintended small quantities that are technically unavoidable under good manufacturing practice, provided the product remains safe under Article 3.

CAS 91-08-7 is the unique numerical identifier assigned to 2-Methyl-m-phenylene diisocyanate (Toluene 2,6-diisocyanate) by the Chemical Abstracts Service. In cosmetic compliance work, the CAS number is used to cross-reference the substance across regulatory databases, raw material specifications and safety assessment reports. Multiple EU annex entries may share the same CAS number if the same substance appears under different conditions or in different annexes.

2-Methyl-m-phenylene diisocyanate (Toluene 2,6-diisocyanate) has a CMR (carcinogenic, mutagenic or reprotoxic) classification under EU CLP Regulation. Under Article 15 of EU Cosmetics Regulation 1223/2009, CMR substances of category 1A or 1B are prohibited in cosmetics unless specifically permitted. Category 2 CMR substances may be used only if assessed safe by the SCCS. Always verify current annex status and any applicable derogations before use.

Use the INCI Checker tool on this site to paste your full ingredient list (INCI) and scan it against all Annex II–VI entries. The tool highlights any ingredients that match restricted, prohibited or allergen-flagged records. This is useful for rapid compliance screening of finished product formulas or raw material declarations.
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Source note for Annex II record 2-Methyl-m-phenylene diisocyanate (Toluene 2,6-diisocyanate)

This page summarizes one Annex II record for 2-Methyl-m-phenylene diisocyanate (Toluene 2,6-diisocyanate) from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.

Use this record page to review Annex II conditions for 2-Methyl-m-phenylene diisocyanate (Toluene 2,6-diisocyanate), but confirm any final regulatory decision against the current official annex wording and source files.

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