77PD (4030) CAS 3081-14-9
Chemical Additives 2025-03-12
Chemical Name: N, N’- bis-(1,4- Dimethylpentyl)-p-Phenylenediamine
CAS NO.: 3081-14-9
Product Specification:
| Appearance | Brownish Red Oily Liquid | |
| Purity(GC),% | ≥ | 94.0 |
| Heat Loss(65-70°C ),% | ≤ | 0.50 |
| Ash,% | ≤ | 0.10 |
| Viscosity(25°C), mPa·S | 56.0-85.0 | |
◆ Performance:
-77PD has excellent static ozone resistance performance;
-77PD can improve flexural fatigue;
-77PD has a certain protective effect on the catalytic oxidation of copper, manganese and other variable-valent metals;
-77PD has good solubility in rubber, it is not easy to bloom rubber materials at high concentration.
◆ Application:
-77PD is suitable for the rubber materials that need static anti-ozone protection in the long term, such as aircraft tires, engineering tires, agricultural tires, hose and gasket rubber products;
-77PD can be used as antioxidant for fuels;
In the production of styrene monomer, p-methylstyrene, divinylbenzene and acrylate, 77PD can be used as a polymerization inhibitor.
◆ Packaging : Galvanized iron drum, 170kg per drum.
3081-14-9 – Names and Identifiers
| Name | N,N’-BIS(1,4-DIMETHYLPENTYL)-P-PHENYLENEDIAMINE |
| Synonyms | 77PD Unilink 7100 Vulkanox 4030 Naugalube 443 SANTOFLEX(R) 77 (1,4-dimethylpentyl)phenylenediamine 4-Benzenediamine,N,N’-bis(1,4-dimethylpentyl)-1 N,N’-BIS(1,4-DIMETHYLPENTYL)-P-PHENYLENEDIAMINE |
| CAS | 3081-14-9 |
| EINECS | 221-375-9 |
3081-14-9 – Physico-chemical Properties
| Molecular Formula | C20H36N2 |
| Molar Mass | 304.51 |
| Density | 0.9452 (rough estimate) |
| Boling Point | 435.32°C (rough estimate) |
| Water Solubility | 800μg/L at 22℃ |
| Vapor Presure | 0Pa at 25℃ |
| pKa | 8.59±0.50(Predicted) |
| Refractive Index | 1.6450 (estimate) |
3081-14-9 – Risk and Safety
| Toxicity | LD50 oral in rat: 750mg/kg |
3081-14-9 – References
| LogP | 6.3 at 20℃ |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 750 mg/kg; Oral-mouse LD50: 800 mg/kg |
| flammability hazard characteristics | flammability; Toxic NOx smoke from combustion |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, water mist |
