Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| 1,4-phenylenediamine dihydrochloride (substance) | Is a | Amine and/or amine derivative | false | Inferred relationship | Some | ||
| 1,4-phenylenediamine dihydrochloride (substance) | Is a | Hairdressing patch test chemical | true | Inferred relationship | Some | ||
| 1,4-phenylenediamine dihydrochloride (substance) | Is a | Rubber compound | true | Inferred relationship | Some | ||
| 1,4-phenylenediamine dihydrochloride (substance) | Is a | Amine | true | Inferred relationship | Some | ||
| 1,4-phenylenediamine dihydrochloride (substance) | Is modification of (attribute) | p-phenylenediamine (substance) | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| 1,4-Phenylenediamine dihydrochloride | Has active ingredient | False | 1,4-phenylenediamine dihydrochloride (substance) | Inferred relationship | Some | 
This concept is not in any reference sets