N-Cyclohexyl-N'-phenyl-p-phenylenediamine
- CAS NO.：101-87-1
- Empirical Formula: C18H22N2
- Molecular Weight: 266.38
- MDL number: MFCD00046341
- EINECS: 202-984-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:48:07
What is N-Cyclohexyl-N'-phenyl-p-phenylenediamine?
Description
N-Phenyl-N'-Cyclohexyl-p-Phenylenediamine (CPPD) is a rubber chemical used as an antioxidant. Cross reactions are frequently observed with isopropylphenylparaphenylenediamine (lPPD).
The Uses of N-Cyclohexyl-N'-phenyl-p-phenylenediamine
N-Phenyl-N''-cyclohexyl-p-phenylenediamine (>90%) is an antioxidant CPPD; used in preparation method of degradable sealant.
Indications
N-Cyclohexyl-N'-phenyl-1,4-phenylenediamine is approved for use within allergenic epicutaneous patch tests which are indicated for use as an aid in the diagnosis of allergic contact dermatitis (ACD) in persons 6 years of age and older.
Background
N-Cyclohexyl-N'-phenyl-1,4-phenylenediamine is a component of black rubber. It is also a dermatological sensitizer and allergen.
Sensitivity to N-Cyclohexyl-N'-phenyl-1,4-phenylenediamine may be identified with a clinical patch test.
Health effects
N-Cyclohexyl-N'-phenyl-1,4-phenylenediamine is a component of black rubber. It is also a dermatological sensitizer and allergen. The physiologic effect of n-cyclohexyl-n'-phenyl-1,4-phenylenediamine is by means of Increased Histamine Release, and Cell-mediated Immunity. Sensitivity to this substance may be identified with a clinical patch test.
Contact allergens
CPPD is a rubber chemical used as an antioxidant. Crossreactions are frequently observed with N-isopropylNphenylparaphenylenediamine (IPPD).
Metabolism
Not Available
Properties of N-Cyclohexyl-N'-phenyl-p-phenylenediamine
| Melting point: | 118-119 °C |
| Boiling point: | 399.58°C (rough estimate) |
| Density | 0.9274 (rough estimate) |
| refractive index | 1.6300 (estimate) |
| storage temp. | -20°C Freezer, Under inert atmosphere |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| pka | 6.40±0.20(Predicted) |
| form | Solid |
| color | Dark Brown to Very Dark Brown |
| EPA Substance Registry System | 1,4-Benzenediamine, N-cyclohexyl-N'-phenyl- (101-87-1) |
Safety information for N-Cyclohexyl-N'-phenyl-p-phenylenediamine
Computed Descriptors for N-Cyclohexyl-N'-phenyl-p-phenylenediamine
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