HUDSON TECHNOLOGIES, INC.

One Blue Hill Plaza

Pearl River, NY 10965

845-735-6000 (Phone)

January 6, 2021

Division of Corporation Finance

U.S. Securities and Exchange Commission

100 F Street NE

Washington, DC 20549

Re: HUDSON TECHNOLOGIES, INC. (the “Company”)

Registration Statement on Form S-3 (File No. 333-251646)

Ladies and Gentlemen:

In connection with the above-captioned Registration Statement, the Company hereby requests that such Registration Statement be declared effective at 4:00 p.m. Eastern time on Tuesday, January 12, 2021, or as soon thereafter as practicable. This hereby confirms that the Company and the signatories to the Registration Statement are aware of their respective responsibilities under the Securities Act of 1933 and the Securities Exchange Act of 1934 with respect to the accuracy and adequacy of the disclosures regarding the proposed public offering contemplated by the Registration Statement.

Very truly yours,
HUDSON TECHNOLOGIES, INC.
By:	/s/ Brian F. Coleman
	Name: Brian F. Coleman
	Title: Chairman and Chief Executive Officer

cc (via email): Taylor Beech (SEC)