Company: PAII-WT
Filing Date: 2025-07-16
Form Type: 8-A12B
Source: 0001213900-25-064523
Chunk: 0

Company: Pyrophyte Acquisition Corp. II
Filing Date: 2025-07-16
Form: 8-A12B
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-A

FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES

PURSUANT TO SECTION 12(b) OR 12(g) OF THE

SECURITIES EXCHANGE ACT OF 1934

Pyrophyte Acquisition Corp. II

(Exact name of registrant as specified in its charter)</div>

| Cayman Islands          |     |                         6770 |     | N/A                |
| (State of incorporation 
 or organization)        |     | -Primary Standard Industrial 
   Classification Code Number |     | -I.R.S. Employer   
 Identification No. |

<div align='center'>3262 Westheimer Road, Suite 706
Houston, Texas 77098

(Address of Principal Executive Offices and Zip
Code)</div>

Securities to be registered pursuant to Section 12(b) of the Act:

| Title of each class to be so registered                                                                          |     | Name of each exchange on which each class is to be registered |
| Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant                      |     | New York Stock Exchange                                       |
| Class A ordinary shares, par value $0.0001 per share                                                             |     | New York Stock Exchange                                       |
| Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share |     | New York Stock Exchange                                       |

If this form relates to the registration of a class of securities pursuant
to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c) or (e), check the following box. ☒

If this form relates to the registration of a class of securities pursuant
to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), check the following box. ☐

If this form relates to the registration of a class of securities concurrently
with a Regulation A offering, check the following box. ☐

Securities Act registration statement or Regulation A offering statement
file number to which this form relates: 333-288391

Securities to be registered pursuant to Section 12(g) of the Act: N/A

Item 1. Description of Registrant’s Securities to be Registered.

The securities to be registered hereby are the
units, Class A ordinary shares, par