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CAS 74-31-7 N,N’-Diphenyl-1,4-phenylenediamine molecular structure lightbox
CAS RN: 74-31-7

N,N’-Diphenyl-1,4-phenylenediamine

Product Availability

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6 package records6 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260129 100g In stock Shanghai, Chongqing, Hebei Inquiry
Batchno.20260209 1g In stock Shanghai, Guangdong, Chongqing Inquiry
Batchno.20250312 2.5kg In stock Shanghai, Shandong Inquiry
Batchno.20251107 25g In stock Shanghai, Shandong, Guangdong, Chongqing Inquiry
Batchno.20250410 500g In stock Shanghai, Shandong, Guangdong Inquiry
Batchno.20260619 5g In stock Shanghai, Guangdong, Hebei Inquiry
  • Product code: SSC-183415
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Historical Factory Record

Historical Supply Reference

This product has historical factory records. Recorded pack sizes and purity can be used as a supply reference, while project-specific availability is confirmed by inquiry.

  • Pack sizes on record: 100g
  • Available purity: ≥95%
  • Inventory rows with stock: 0
  • Bulk packaging: confirmed by inquiry
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Reference Pack Sizes

Reference pack sizes are shown below. Final availability, packaging and delivery schedule are confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 74-31-7
Pack Size Recorded Purity Available Qty Ship From Inquiry
100g ≥95% 0 Out of Stock Shanghai Inquiry

74-31-7 / 1-N,4-N-diphenylbenzene-1,4-diamine

Standard CAS: 74-31-7 Multi CAS: Yes
Basic Information Physical Properties Computed Properties

Basic Information

CAS
74-31-7
Multi CAS
Yes
Molecular Formula
C18H16N2
Molecular Weight
260.300000
Exact Mass
260.131349
InChI
InChI=1S/C18H16N2/c1-3-7-15(8-4-1)19-17-11-13-18(14-12-17)20-16-9-5-2-6-10-16/h1-14,19-20H
InChIKey
UTGQNNCQYDRXCH-UHFFFAOYSA-N

Physical Properties

Melting Point
293 to 306 °F (NTP, 1992) 150-151 °C Specific gravity: 1.28; melting point: 145-152 °C
Boiling Point
428 to 437 °F at 0.5 mmHg (NTP, 1992) 220-225 °C @ 0.5 mm Hg
Density
1.21 (NTP, 1992) - Denser than water; will sink 1.20 Relative density (water = 1): 1.2
Physical Description
N,n'-diphenyl-p-phenylenediamine appears as gray or dark gray powder or flakes. (NTP, 1992) Dry Powder Colorless solid; Commercial product is greenish-brown solid; [Merck Index] Colorless, grey, or white solid; [HSDB] Powder; COLOURLESS CRYSTALS OR GREY POWDER.
Appearance
Colorless leaflets from alcohol; commercial grades are greenish-brown Gray powder White solid
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
20
Aromatic heavy atom count
18
Rotatable bonds
4
H-bond acceptors
2
H-bond donors
2
Molar refractivity
85.89
TPSA
24.06

LogP / Solubility

WLOGP
5.17
MLOGP
4.56
XLogP3
5
Consensus LogP
4.91
Log S (ESOL)
-5.12
Class (ESOL)
Slightly soluble
Log S (Ali)
-5.43
Class (Ali)
Slightly soluble
Log S (SILICOS-IT)
-6.13
Class (SILICOS-IT)
Insoluble

ADME

GI absorption
High
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
Yes
CYP2C19 inhibitor
Yes
CYP2C9 inhibitor
No
CYP2D6 inhibitor
Yes
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-0.63

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
Yes
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
1.5

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