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The Rohm & Haas Company archives

Identifier: 2009-058

Scope and Contents

For a more detailed inventory, please view this record in our library catalog:


  • Creation: 1743-1998
  • Creation: Majority of material found within 1907-1983


Language of Materials

Text in English and German.

Terms Governing Use and Reproduction

See Senior Archivist for access.

Biographical sketch

Rohm & Haas was founded by Dr. Otto Rohm and Mr. Otto Haas in Esslingen, Germany in 1907. In 1911 Haas opened a U.S. branch in Philadelphia. The company prospered through sale of such products as Oropon and Plexiglas acrylic. The firm also branched out into textiles. In 2008, it was purchased by Dow Chemical Company.


152 Linear Feet


Organized into four major series. 1. General Office, Legal and Product Materials, 1821-1987; 2. Affiliates, Subsidiaries and Plants, 1743-1971; 3. Research and Reference Materials, 1907-1987; 4. Addenda to the Collection.

Immediate Source of Acquisition

Source of acquisition--Rohm & Haas Company, Brian McPeak. Method of acquisition--Gift; Date of acquisition--2009..

Digitized Materials

A portion of this collection has been digitized and is available online in our Digital Collections:

Language of description
Script of description

Revision Statements

  • 2023: Digitized Materials note added.

Repository Details

Part of the Science History Institute Archives Repository

315 Chestnut Street
Philadelphia PA 19106 United States
215.873.5265 (Fax)