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

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

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

Toxicity

LD50 oral in rat: 750mg/kg

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H317May cause an allergic skin reaction

H400Very toxic to aquatic life

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P272Contaminated work clothing should not be allowed out of the workplace.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P363Wash contaminated clothing before reuse.

P391Collect spillage. Hazardous to the aquatic environment

P501Dispose of contents/container to..…

N,N'-BIS(1,4-DIMETHYLPENTYL)-P-PHENYLENEDIAMINE Chemical Properties,Usage,Production

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.