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CAS 1663-45-2 1,2-Bis(diphenylphosphino)ethane molecular structure lightbox
CAS RN: 1663-45-2

1,2-Bis(diphenylphosphino)ethane

Product Availability

Choose a grade to view its available package options.

6 package records6 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260303 100g In stock Shanghai, Shenzhen, Tianjin, Chengdu Inquiry
Batchno.20260318 10g In stock Shanghai, Chengdu Inquiry
Batchno.20250705 1kg In stock Shanghai Inquiry
Batchno.20250801 25g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20251225 500g In stock Tianjin, Wuhan Inquiry
Batchno.20260302 5g In stock Shanghai, Tianjin, Wuhan, Chengdu Inquiry
  • Product code: SSC-072592
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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

  • Pack sizes on record: 5g, 10g, 25g, 50g, 100g, 500g, 1000g
  • Available purity: >97%
  • Inventory rows with stock: 4
  • Bulk packaging: confirmed by inquiry
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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 1663-45-2
Pack Size Recorded Purity Available Qty Ship From Inquiry
5g >97% 5 In Stock Hong Kong Inquiry
10g >97% 5 In Stock Shanghai Inquiry
25g >97% 5 In Stock Hong Kong Inquiry
50g >97% 3 In Stock Shenzhen Inquiry
100g >97% 0 Out of Stock Beijing Inquiry
500g >97% 0 Out of Stock Shanghai Inquiry
1000g >97% 0 Out of Stock Shenzhen Inquiry

1663-45-2 / 2-diphenylphosphanylethyl(diphenyl)phosphane

Standard CAS: 1663-45-2 Multi CAS: No
Basic Information Physical Properties Computed Properties Safety & Transport

Basic Information

CAS
1663-45-2
Multi CAS
No
Molecular Formula
C26H24P2
Molecular Weight
398.400000
Exact Mass
398.135325
SMILES
C1=CC=C(C=C1)P(CCP(C2=CC=CC=C2)C3=CC=CC=C3)C4=CC=CC=C4
InChI
InChI=1S/C26H24P2/c1-5-13-23(14-6-1)27(24-15-7-2-8-16-24)21-22-28(25-17-9-3-10-18-25)26-19-11-4-12-20-26/h1-20H,21-22H2
InChIKey
QFMZQPDHXULLKC-UHFFFAOYSA-N

Physical Properties

Physical Description
White to off-white crystals
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
28
Aromatic heavy atom count
24
Fraction Csp3
0.08
Rotatable bonds
7
Molar refractivity
127.88
TPSA
0.0000

LogP / Solubility

WLOGP
5.25
MLOGP
4.65
XLogP3
5.9
Consensus LogP
5.27
Log S (ESOL)
-5.79
Class (ESOL)
Slightly soluble
Log S (Ali)
-6.62
Class (Ali)
Insoluble
Log S (SILICOS-IT)
-7.45
Class (SILICOS-IT)
Insoluble

ADME

GI absorption
High
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
Yes
CYP2C19 inhibitor
Yes
CYP2C9 inhibitor
Yes
CYP2D6 inhibitor
No
CYP3A4 inhibitor
Yes
Log Kp (skin permeation)
-1.42

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
Yes
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
3

Safety & Transport

Pictogram(s)
Irritant Environmental Hazard
Signal
Warning
GHS Hazard Statements
H315 (84.6%): Causes skin irritation [Warning Skin corrosion/irritation] H319 (84.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation] H400 (23.1%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard] H410 (38.5%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
Precautionary Statement Codes
P261, P264, P264+P265, P271, P273, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P391, P403+P233, P405, and P501

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