Moderate Cosmetic Ingredient GHS Classified

METHYLENE DIPHENYL DIISOCYANATE

Also known as: 4,4'-Methylenedi(phenyl isocyanate), 1,1'-Methylenebis [4-isocyanatobenzene], 4,4'-MDI, 4-13-00-00396, BRN 0797662 (+15 more)

METHYLENE DIPHENYL DIISOCYANATE (CAS 101-68-8) is a cosmetic cosmetic ingredient functioning as Not Reported. EU Regulation 1223/2009 status: restricted, max II/1533. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 101-68-8 →

Auto-generated CPSR Part A draft with source citations
Function
Not Reported
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C15H10N2O2
MW
250.25 g/mol
EC Number
202-966-0
PubChem CID
7570
IUPAC Name
1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
InChIKey
UPMLOUAZCHDJJD-UHFFFAOYSA-N

Regulatory Status

EU EU Status restricted
EU Max Conc. II/1533
US US Status Not specifically regulated

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

GHS Hazard Classification

Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.

Short-term Exposure Effects
Lachrymation. The substance is irritating to the eyes, skin and respiratory tract. The substance may cause effects on the lungs. This may result in impaired functions.
Long-term Exposure Effects
Repeated or prolonged contact may cause skin sensitization. Repeated or prolonged inhalation may cause asthma. See Notes.
Routes of Exposure
The substance can be absorbed into the body by inhalation.

IARC Carcinogenicity

International Agency for Research on Cancer (WHO) monograph evaluation.

IARC Group
3
Volume
19, Sup 7, 71
Evaluation Year
1998

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
100,000 - 1,000,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Hazard classification: Restricted (Annex XVII)

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Safety (5)
Carcinogen Classification
3, not classifiable as to its carcinogenicity to humans. (L135)
Source: Toxin and Toxin Target Database (T3DB)
Carcinogen Classification
4,4'-Methylenediphenyl diisocyanate | Group 3: Not classifiable as to its carcinogenicity to humans | Volume 19: (1979) Some Monomers, Plastics and Synthetic Elastomers, and Acrolein | Volume Sup 7: Overall Evaluations of Carcinogenicity: An Updating of IARC Monographs Volumes 1 to 42, 1987; 440 pages; ISBN 92-832-1411-0 (out of print) | Volume 71: (1999) Re-evaluation of Some Organic Chemicals, H
Source: International Agency for Research on Cancer (IARC)
Evidence for Carcinogenicity
Evaluation: There is inadequate evidence for the carcinogenicity of 4,4'-methylenediphenyl diisocyanate or polymeric 4,4'-methylenediphenyl diisocyanate in humans. There is limited evidence in experimental animals for the carcinogenicity of a mixture containing monomeric and polymeric 4,4'-methylenediphenyl diisocyanate. Overall evaluation: 4,4'-Methylenediphenyl diisocyanate (industrial preparati
Source: Hazardous Substances Data Bank (HSDB)
ICSC Safety Card
0298
Source: ILO-WHO International Chemical Safety Cards (ICSCs)
Skin Eye Respiratory Irritation
Irritating /to/ eyes, nose, throat. | A skin and eye irritant. An allergic sensitizer.
Source: Hazardous Substances Data Bank (HSDB)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Adhesion/cohesion promoter Binder Catalyst Hardener No specific technical function
Regulatory List Membership (1)
FDA Indirect Food Contact Additives

Expert Verdict

Expert safety assessment and concern-level summary for METHYLENE DIPHENYL DIISOCYANATE.

Regulatory Flags

cosing-sourced eu-restricted needs-enrichment

Known Synonyms

4,4'-Methylenedi(phenyl isocyanate) 1,1'-Methylenebis [4-isocyanatobenzene] 4,4'-MDI 4-13-00-00396 BRN 0797662 Desmodur 44 Di-(4-isocyanatophenyl)methane 4,4'-Diphenylmethanediisocyante EINECS 202-966-0 Isocyanic acid, ester with diphenylmethane Isonate Isonate 125M Isonate 125 MF Nacconate 300 NCI-C50668 para,para'-Methylenebis(phenyl isocyanate) Rubinate 44 Difenil-metan-diisocianato Difenylmethaan-dissocyanaat UNII-B0LO6BBS8C

Chemical Function

Binder Hardener Adhesion/cohesion promoter

Regulatory Lists

banned; Europe; Personal care Cons electronics mech appliances and machinery; Europe; nondetect Europe; nondetect; Toys and children's products detected; Europe; Toys and children's products drinking_water; Europe; manufacturing; plastic_additive Indirect additives food contact (10/2018)

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

ChEMBL ID
CHEMBL1488467
View full pharmaceutical profile →

Frequently Asked Questions

Is METHYLENE DIPHENYL DIISOCYANATE safe in cosmetics?

METHYLENE DIPHENYL DIISOCYANATE has a safety rating of "MODERATE" in our database. EU status: restricted.

Is METHYLENE DIPHENYL DIISOCYANATE allowed in the EU?

METHYLENE DIPHENYL DIISOCYANATE EU regulatory status: restricted. Maximum allowed concentration: II/1533. This is based on EU Regulation 1223/2009 and its amendments.

What does METHYLENE DIPHENYL DIISOCYANATE do in cosmetics?

METHYLENE DIPHENYL DIISOCYANATE functions as: Not Reported. It is classified as a cosmetic ingredient in our database. CAS number: 101-68-8.

Is METHYLENE DIPHENYL DIISOCYANATE used outside cosmetics?

METHYLENE DIPHENYL DIISOCYANATE also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does METHYLENE DIPHENYL DIISOCYANATE have different safety status in cosmetics vs industrial chemicals?

METHYLENE DIPHENYL DIISOCYANATE is classified GHS Danger (H315, H317, H319, H332, H334, H335, H351, H373) in the chemicals database but is restricted in EU cosmetics at max II/1533.

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