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N,N'-Diphenyl-P-Phenylenediamine

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信息摘要:

宏元新材是一家拥有50余年的生产技术工艺沉淀的化工原料厂家,主营产品有N,N'-Diphenyl-P-Phenylenediamine(防老剂H、防老剂DPPD)等胺类橡胶防老剂化工原料产品。今天,小编给大家先容下关于N...

N,N'-Diphenyl-P-Phenylenediamine

宏元新材是一家拥有50余年的生产技术工艺沉淀的化工原料厂家,主营产品有N,N'-Diphenyl-P-Phenylenediamine(防老剂H、防老剂DPPD)等胺类橡胶防老剂化工原料产品。今天,小编给大家先容下关于N,N'-Diphenyl-P-Phenylenediamine的相关常识?一起来看看吧!

N,N'-Diphenyl-P-Phenylenediamine是防老剂H的英文名称,也可以简称为Antioxidant H,现行我司实行的产品标准为Q/YTY001-2011,分子量260.34,CAS RN74-31-7,分子式C18H16N2,可燃,暴露于空气中及日光下易氧化变色,遇热稀盐酸变绿。

N,N-Diphenyl-p-phenylenediamine Basic information
Product Name: N,N-Diphenyl-p-phenylenediamine
Synonyms: naugardj;Nocrac DP Naugard J; AGERITE DPPD; N,N'-Difenyl-p-fenylendiamin; N,N-Diphenyl-1,4-benzenediamine;N,N'-Diphenyl-1,4-diaminobenzene; 1,4-Bis(phenyl amino)benzene;
CAS: 74-31-7
MF: C18H16N2
MW: 260.33
Product Categories: Organics;Diphenylamines (for High-Performance Polymer Research);Functional Materials;Reagent for High-Performance Polymer Research
Mol File: 74-31-7.mol
1.三苯基铋
EINECS: 200-806-4
N,N-Diphenyl-p-phenylenediamine Chemical Properties
EPA Substance Registry System N,N'-Diphenyl-p-phenylenediamine (74-31-7)
Boiling point  220-225 °C0.5 mm Hg(lit.)
Melting point  143-145 °C(lit.)
density  1.2
refractive index  1.6300 (estimate)
Fp  220-225°C/1mm
solubility  DMSO (Slightly), Methanol (Slightly)
form  Solid
pka 1.85±0.20(Predicted)
storage temp.  Store below +30°C.
color  Pale Grey to Very Dark Grey
Water Solubility  <0.1 g/100 mL at 20 ºC
Merck  14,3329
Stability: Stable. Incompatible with strong acids, strong oxidizing agents
CAS DataBase Reference 74-31-7(CAS DataBase Reference)
NIST Chemistry Reference 1,4-Benzenediamine, N,N'-diphenyl-(74-31-7)
BRN  2215944
N,N-Diphenyl-p-phenylenediamine Basic information
The Risk Statement (Europe) R43;R52/53
Security Statement (Europe) S24-S37-S61
Dangerous Goods Transport Code  NONH for all modes of transport
Packaging grade III
Class of risk 6.1
Hazard Code (Europe) Xi:Irritant;
Customs code 2921590090
Safety Information
Hazard Codes  Xi
Safety Statements  24-37-61
WGK Germany  1
Risk Statements  >43-52/53
RTECS  ST2275000
TSCA  Yes
HS Code  2921 51 90
Hazardous Substances Data 74-31-7(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 2370 mg/kg LD50 dermal Rat 4500 mg/kg
MSDS Information
Provider Language
N,N'-Diphenyl-1,4-phenylenediamine English
ACROS English
SigmaAldrich English
ALFA English
N,N-Diphenyl-p-phenylenediamine Usage And Synthesis
Chemical Properties grey powder
Description N,N'-Diphenyl-4-phenylenediamine (DPPD) is a rubber accelerant, formerly contained in the "black rubber mix". The most frequent occupational categories are in metal industry, homemakers, health services and laboratories, and building industries.
Uses Polymerization inhibitor. Antioxidant for rubber, petroleum oils, feedstuffs.
Uses N1,N4-Diphenylbenzene-1,4-diamine can be used to prepare low pressure change, high temperature resistant flame retardant silicone rubber.
Definition ChEBI: An N-substituted diamine that is 1,4-phenylenediamine in which one hydrogen from each amino group is replaced by a phenyl group.
General Description Gray or dark gray powder or flakes.
Air & Water Reactions Insoluble in water.
Reactivity Profile N,N-Diphenyl-p-phenylenediamine may react with oxidizing materials . 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.
Fire Hazard N,N-Diphenyl-p-phenylenediamine is combustible. N,N-Diphenyl-p-phenylenediamine may form explosive dust-air mixtures.
Purification Methods Crystallise the diamine from EtOH, chlorobenzene/pet ether or *benzene. It has also been crystallised from aniline, then extracted three times with absolute EtOH. [Beilstein 13 H 80.]
Contact allergens A rubber accelerant, formerly contained in “blackrubber mix.” The most frequent occupational categories are in the metal industry, homemakers, health services and laboratories, and the building industry.
Uses N,N'-Diphenyl-4-phenylene diamine is an antioxidant for rubber, petroleum oils, and feed stuffs; stabilizer; a polymerization inhibitor; used to retard copper degradation; as an intermediate for dyes, drugs, plasties and detergents; antidegradant for nitrile-butadiene rubber, natural, styrene-butadiene, isoprene, butadiene, and ehloroprene rubbers.
N,N-Diphenyl-p-phenylenediamine document

1、Contact Dermatitis 60(4) , 193-8, (2009)

p-Phenylenediamine (PPD)-related chemicals have been used as antioxidants in rubber products, and many cases of contact dermatitis caused by these chemicals have been reported.The aim of this study wa...


2、Nutr. Cancer 60(2) , 276-83, (2008)

Cultured rat hepatocytes and human hepatoma HepG2 cells were used to evaluate the hepatoprotective properties of polyphenolic extracts from the edible part of artichoke (AE). The hepatocytes were expo...


3、Mol. Biochem. Parasitol. 118(1) , 33-40, (2001)

It has been known for almost a century that normal human serum can lyse the extracellular blood parasite Trypanosoma brucei brucei. This process is a result of a non-immune killing factor in human ser...

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