ChemicalBook >> CAS DataBase List >>N,N'-Di-2-naphthyl-p-phenylenediamine

N,N'-Di-2-naphthyl-p-phenylenediamine

CAS No.
93-46-9
Chemical Name:
N,N'-Di-2-naphthyl-p-phenylenediamine
Synonyms
DNPD;Diafen NN;Antioxidant DNP;DBNPD;DNPDA;N,N-DI;ASM-DNT;nonoxcl;Nonox CL;acetodipp
CBNumber:
CB4242789
Molecular Formula:
C26H20N2
Molecular Weight:
360.45
MDL Number:
MFCD00053487
MOL File:
93-46-9.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-06-24 18:39:39

N,N'-Di-2-naphthyl-p-phenylenediamine Properties

Melting point 225-229°C
Boiling point 232-134°C (dec.)
Density 1.25
refractive index 1.7620 (estimate)
storage temp. Keep in dark place,Sealed in dry,Room Temperature
solubility Chloroform (Slightly, Heated, Sonicated), DMSO (Slightly)
form Solid
pka 3.10±0.30(Predicted)
color Pale Grey to Light Grey
Water Solubility <0.1 g/100 mL at 19 ºC
InChI InChI=1S/C26H20N2/c1-3-7-21-17-25(11-9-19(21)5-1)27-23-13-15-24(16-14-23)28-26-12-10-20-6-2-4-8-22(20)18-26/h1-18,27-28H
InChIKey VETPHHXZEJAYOB-UHFFFAOYSA-N
SMILES C1(NC2=CC=C3C(=C2)C=CC=C3)=CC=C(NC2=CC=C3C(=C2)C=CC=C3)C=C1
CAS DataBase Reference 93-46-9(CAS DataBase Reference)
Indirect Additives used in Food Contact Substances N,N'-DI-BETA-NAPHTHYL-P-PHENYLENEDIAMINE
FDA 21 CFR 177.2600
FDA UNII EWK9V6MZH6
NIST Chemistry Reference N,n'-di-beta-naphthyl-p-phenylenediamine(93-46-9)
EPA Substance Registry System N,N'-Di-2-naphthyl-p-phenylenediamine (93-46-9)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H317-H320
Precautionary statements  P261-P264-P272-P280-P302+P352+P333+P313+P363-P305+P351+P338+P337+P313-P501
Risk Statements  20/21/22-36/37/38
Safety Statements  22-36/37/39
RTECS  ST2100000
TSCA  TSCA listed
HS Code  29215900
Toxicity LD50 oral in rat: 4500mg/kg
NFPA 704
1
0 0

N,N'-Di-2-naphthyl-p-phenylenediamine price More Price(44)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical D0812 N,N'-Di-2-naphthyl-1,4-phenylenediamine >96.0%(N) 93-46-9 25g $26 2026-04-30 Buy
TCI Chemical D0812 N,N'-Di-2-naphthyl-1,4-phenylenediamine >96.0%(N) 93-46-9 500g $150 2026-04-30 Buy
Cayman Chemical 40728 N,N''-Di-2-naphthyl-p-phenylenediamine ≥90% 93-46-9 25g $25 2026-04-30 Buy
Cayman Chemical 40728 N,N''-Di-2-naphthyl-p-phenylenediamine ≥90% 93-46-9 50g $48 2026-04-30 Buy
Cayman Chemical 40728 N,N''-Di-2-naphthyl-p-phenylenediamine ≥90% 93-46-9 100g $90 2026-04-30 Buy
Product number Packaging Price Buy
D0812 25g $26 Buy
D0812 500g $150 Buy
40728 25g $25 Buy
40728 50g $48 Buy
40728 100g $90 Buy

N,N'-Di-2-naphthyl-p-phenylenediamine Chemical Properties,Uses,Production

Uses

N,N-Di-β-naphtyl-4-phenylenediamine is used as antioxidant; stabilizer; polymerization inhibitor; intermediate in organic synthesis; antidegradant for latex, nitrile rubber, styrene-butadiene, and nitrile-butadiene rubber.

Uses

ASM-DNT can be used as a rubber door panel part.

General Description

Gray powder.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

N,N'-Di-2-naphthyl-p-phenylenediamine 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

Flash point data for N,N'-Di-2-naphthyl-p-phenylenediamine are not available; however, N,N'-Di-2-naphthyl-p-phenylenediamine is probably combustible.

Safety Profile

A human skin irritant. An experimental skin and eye irritant. Mutation data reported. Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of NOx.

106-50-3
135-19-3
93-46-9
Synthesis of N,N'-Di-2-naphthyl-p-phenylenediamine from p-Phenylenediamine and 2-Naphthol

N,N'-Di-2-naphthyl-p-phenylenediamine Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 227)Suppliers
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Nanjing Chemlin Chemical Co., Ltd 025-83697070 13770331960 info@chemlin.com.cn China 16305 64
XiaoGan ShenYuan ChemPharm co,ltd 15527621225; 15527621225 1791901229@qq.com China 6746 52
China Langchem Inc. 0086-21-58956006 China 7798 57
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771 sales@heowns.com China 14412 57
Maya High Purity Chemicals +86 (573) 82222445 (0)18006601000 452520369 sales@maya-r.com China 11693 57
Shanghai T&W Pharmaceutical Co., Ltd. +86 21 61551611 China 9874 58

View Lastest Price from N,N'-Di-2-naphthyl-p-phenylenediamine manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
N,N'-Di-2-naphthyl-p-phenylenediamine pictures 2026-09-11 N,N'-Di-2-naphthyl-p-phenylenediamine
93-46-9
50KG 98%min 30tons/month WUHAN FORTUNA CHEMICAL CO., LTD
	N,N'-Di-2-naphthyl-p-phenylenediamine pictures 2026-09-02 N,N'-Di-2-naphthyl-p-phenylenediamine
93-46-9
$5.00-6.00 1kg 99% Henan Fengda Chemical Co., Ltd
N,N'-Di-2-naphthyl-p-phenylenediamine pictures 2026-08-08 N,N'-Di-2-naphthyl-p-phenylenediamine
93-46-9
1kg 98.0% LC 500kg Hangzhou ICH Biofarm Co., Ltd
DBNPD DI-B-NAPHTHYL-P-PHENYLENE DIAMINE di-beta-naphthyl-p-phenylenediamine N,N'-Bis(2-naphthyl)-p-phenylenediamine N,N-DI-2-NAPHTHYL-P-PHENYLENEDIAMINE N,N'-DI-BETA-NAPHTHYL-P-PHENYLENEDIAMINE 1,4-Benzenediamine, N,N'-bis2-naphthyl N,N'-DI-BETA-NAPHTHYL-PARA- PHENYLENEDIAMINE N,N'-Di-2-naphthyl-1,4-benzenediamine N,N'-Di(2-naphtyl)-p-phenylenediamine 1-N,4-N-di(naphthalen-2-yl)benzene-1,4-diamine 2-naphthyl-[4-(2-naphthylamino)phenyl]amine N1,N4-di(naphthalen-2-yl)benzene-1,4-diamine N,N'-Di-2-naphthyl-p N,N'-Di-2-phthyl-p-phenylenediamine N,N-DI NNDI2NAPHTHYLPARAPHENYLENEDIAMINE SYM-DI-BETA-NAPHTHYL-4-PHENYLENEDIAMINE DI-BETA-NAPHTHYL-PARA-PHENYLENEDIAMINE N,N-DI-BETA-NAPHTHYL-4-PARA-PHENYLENEDIAMINE p-Bis-(2-naphthylamino)-benzene Antioxidant DNPD N,N''-DI-2-NAPHTHYL-4-PHENYLENEDIAMINE Di-β-Naphthyl-p-phenylenediamine -Di-2-naphthyl-p-phenylenediamine 1,4-Benzenediamine, N,N'-di-2-naphthalenyl- 1,4-Bis(2-naphthylamino)benzene 2-Naphthyl-p-phenylenediamine 4-Benzenediamine,N,N’-di-2-naphthalenyl-1 Aceto DIPP acetodipp AgeRite W AgeRite White ageritewhite Ageri-tewhite Antigene F Antioxidant 123 AntioxidantDNP ASM-DNT Benzene-1,4-diamine, N,N'-(2-naphthyl)- Di(beta-naphthyl)-p-phenyldiamine di-beta-naphthyl-p-phenyldiamine DNPDA Dwu-beta-naftylo-p-fenylodwuamina n,n’-(di-2-naphthyl)-p-phenylenediamin n,n’-bis-(2-naftyl)-p-fenylendiamin n,n’-di-2-naphthalenyl-4-benzenediamine N,N’-Di-naphthyl-p-phenylenediamine N,N'-Bis-(2-naftyl)-p-fenylendiamin N,N'-Bis(beta-naphthyl)-p-phenylenediamine N,N'-p-Phenylenebis(2-naphthylamine) Nonox CL nonoxcl p-Phenylenediamine, N,N'-di-2-naphthyl- Santowhite CL s-Di(beta-naphthyl)-p-phenylenediamine sym-Di-beta-naphthyl-p-phenylenediamine Tisperse MB-2X