---
type: threshold
id: dicyclohexylmethane-4-4-diisocyanate-see-methylene-bis-4-cyclohexylisocyanate
asset: workplace-exposure-limits
title: "Dicyclohexylmethane-4,4'-diisocyanate; see Methylene bis-(4-cyclohexylisocyanate) — US workplace chemical exposure limits: federal OSHA vs Cal/OSHA, side by side"
sources:
  - https://www.dir.ca.gov/title8/5155.html
source_quote: "5124301 | | Dicyclohexylmethane-4,4'-diisocyanate; see Methylene bis-(4-cyclohexylisocyanate)"
generated: true
harvested: 2026-08-05
stale_after: 2027-08-05
substance: "Dicyclohexylmethane-4,4'-diisocyanate; see Methylene bis-(4-cyclohexylisocyanate)"
verified: true
---
**Substance:** Dicyclohexylmethane-4,4'-diisocyanate; see Methylene bis-(4-cyclohexylisocyanate)

> 5124301 | | Dicyclohexylmethane-4,4'-diisocyanate; see Methylene bis-(4-cyclohexylisocyanate)

Source: <https://www.dir.ca.gov/title8/5155.html>