CAS RN: 1038-95-5

Tri(p-tolyl)phosphine

Product Availability

Choose a grade to view its available package options.

5 package records5 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250201 100g In stock Shanghai, Tianjin Inquiry
Batchno.20250805 1g / 5g / 25g / 100g / 500g Confirm by inquiry Shanghai, Shandong, Guangdong, Chongqing, Hebei 5-7 business days Inquiry
Batchno.20260609 1kg In stock Shanghai Inquiry
Batchno.20251012 25g In stock Shanghai, Shenzhen, Tianjin, Wuhan Inquiry
Batchno.20250613 500g In stock Shanghai Inquiry
  • Product code: SSC-005412
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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, 500g, 100g
  • Available purity: >97%
  • Inventory rows with stock: 5
  • 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 1038-95-5
Pack Size Recorded Purity Available Qty Ship From Inquiry
5g >97% 5 In Stock Beijing Inquiry
10g >97% 5 In Stock Hong Kong Inquiry
25g >97% 5 In Stock Shanghai Inquiry
500g >97% 4 In Stock Shenzhen Inquiry
100g >97% 3 In Stock Hong Kong Inquiry

1038-95-5 / tris(4-methylphenyl)phosphane

Tri-p-tolylphosphine | Tris(4-methylphenyl)phosphine | Phosphine, tris(4-methylphenyl)-

Standard CAS: 1038-95-5 Multi CAS: Yes

Basic Information

CAS
1038-95-5
Multi CAS
Yes
Molecular Formula
C21H21P
Molecular Weight
304.400000
Exact Mass
304.138088
SMILES
CC1=CC=C(C=C1)P(C2=CC=C(C=C2)C)C3=CC=C(C=C3)C
InChI
InChI=1S/C21H21P/c1-16-4-10-19(11-5-16)22(20-12-6-17(2)7-13-20)21-14-8-18(3)9-15-21/h4-15H,1-3H3
InChIKey
WXAZIUYTQHYBFW-UHFFFAOYSA-N
Synonyms
Tri-p-tolylphosphine Tris(4-methylphenyl)phosphine Phosphine, tris(4-methylphenyl)- Phosphine, tri-p-tolyl- Tri-para-tolylphosphine

Computed Properties

Structural Parameters

Heavy atom count
22
Aromatic heavy atom count
18
Fraction Csp3
0.14
Rotatable bonds
3
Molar refractivity
99.36
TPSA
0.0000

LogP / Solubility

WLOGP
4.37
MLOGP
3.86
XLogP3
5.7
Consensus LogP
4.64
Log S (ESOL)
-4.89
Class (ESOL)
Slightly soluble
Log S (Ali)
-5.21
Class (Ali)
Slightly soluble
Log S (SILICOS-IT)
-5.63
Class (SILICOS-IT)
Slightly soluble

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
No
Log Kp (skin permeation)
-1.47

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
2.5

Safety & Transport

Pictogram(s)
Irritant
Signal
Warning
GHS Hazard Statements
H315 (97.9%): Causes skin irritation [Warning Skin corrosion/irritation] H319 (97.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] H335 (95.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary Statement Codes
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Applications of CAS 1038-95-5

This compound is commonly used in catalysis and inorganic chemistry research, metal and coordination compound chemistry, organic synthesis and chemical building blocks, laboratory reagent and synthesis applications, general chemistry research and laboratory applications. Starshine Chemical supplies CAS 1038-95-5 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.

Physical & Chemical Properties

IUPAC Nametris(4-methylphenyl)phosphane

Safety Information (GHS)

Pictogram(s): GHS07. Signal word: Warning.

Precautionary statements: P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Request the SDS (Safety Data Sheet) for full hazard and safety documentation.

Storage & Handling

Storage: Store under inert gas. Avoid: Air Sensitive. For detailed hazard, storage and transport information, request the SDS (Safety Data Sheet) with your inquiry.

Quotation & Packaging

Prices are confirmed by inquiry. Request a quote for current pricing, minimum order quantity (MOQ) and lead time. The pack sizes listed on this page are reference options; custom pack sizes and bulk quantities are available on request.

Quality & Compliance

Specifications and purity shown on this page are based on batch records. A Certificate of Analysis (COA) is available on request. For research and further manufacturing use only — not for direct human or therapeutic use.

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