N,N'-BIS(1,4-DIMETHYLPENTYL)-P-PHENYLENEDIAMINE

Product NameN,N'-BIS(1,4-DIMETHYLPENTYL)-P-PHENYLENEDIAMINE
CAS3081-14-9
MFC20H36N2
MW304.51
EINECS221-375-9
MOL File3081-14-9.mol

Chemical Properties

Boiling point	435.32°C (rough estimate)
Density	0.9452 (rough estimate)
vapor pressure	0Pa at 25℃
refractive index	1.6450 (estimate)
solubility	DMSO: Sparingly soluble: 1-10 mg/ml Ethanol: Soluble: =10 mg/ml
pka	8.59±0.50(Predicted)
Water Solubility	800μg/L at 22℃
LogP	6.3 at 20℃
EPA Substance Registry System	N,N'-Bis(1,4-dimethylpentyl)-p-phenylenediamine (3081-14-9)

Safety Information

Toxicity

LD50 oral in rat: 750mg/kg

Usage And Synthesis

Uses

N-Cyclohexyl-2-benzothiazyl sulphenamide is an intermediate in organic synthesis; an accelerator in natural and styrene-butadienethiazyl sulfenamide rubber.

General Description

Deep red slightly viscous liquid with an aromatic odor.

Air & Water Reactions

N,N'-BIS(1,4-DIMETHYLPENTYL)-P-PHENYLENEDIAMINE may be sensitive to heat, air and moisture during long term storage. Insoluble in water.

Reactivity Profile

N,N'-BIS(1,4-DIMETHYLPENTYL)-P-PHENYLENEDIAMINE may react with oxidizing agents . Neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.

Health Hazard

SYMPTOMS: Symptoms of exposure to N,N'-BIS(1,4-DIMETHYLPENTYL)-P-PHENYLENEDIAMINE may include eye or skin irritation.

Fire Hazard

N,N'-BIS(1,4-DIMETHYLPENTYL)-P-PHENYLENEDIAMINE is probably combustible.

Flammability and Explosibility

Non flammable

References

[1] CATALDO F. Early stages of p-phenylenediamine antiozonants reaction with ozone: Radical cation and nitroxyl radical formation[J]. Polymer Degradation and Stability, 2018, 147: Pages 132-141. DOI: 10.1016/j.polymdegradstab.2017.11.020
[2] WEI WANG . Toxicity of substituted p-phenylenediamine antioxidants and their derived novel quinones on aquatic bacterium: Acute effects and mechanistic insights[J]. Journal of Hazardous Materials, 2024, 469: Article 133900. DOI: 10.1016/j.jhazmat.2024.133900
[3] ZHU J, GUO R, REN F, et al. Occurrence and partitioning of p-phenylenediamine antioxidants and their quinone derivatives in water and sediment[J]. Science of the Total Environment, 2024, 82 1. DOI: 10.1016/j.scitotenv.2024.170046
[4] De Souza, F.I., Zumiotti, A.V., and Da Silva, C.F. Neuregulins 1-α and 1-β on the regeneration the peripheral nerves[J]. Acta Ortop Bras.

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