SUPPLEMENTARY INFORMATION:

Background

This preliminary determination is made in accordance with section 733(b) of the Tariff Act of 1930, as amended (the Act). Commerce published the notice of initiation of this investigation on January 5, 2026.^[1] For a complete description of the events that followed the initiation of this investigation, see the Preliminary Decision Memorandum.^[2] A list of topics included in the Preliminary Decision Memorandum is included as Appendix II to this notice. The Preliminary Decision Memorandum is a public document and is on file electronically via Enforcement and Compliance's Antidumping and Countervailing Duty Centralized Electronic Service System (ACCESS). ACCESS is available to registered users at https://access.trade.gov. In addition, a complete version of the Preliminary Decision Memorandum can be accessed directly at https://access.trade.gov/​frnotices.

Scope of the Investigation

The product covered by this investigation is chromium trioxide from India. For a complete description of the scope of this investigation, see Appendix I.

Scope Comments

In accordance with the Preamble to Commerce's regulations,^[3] the Initiation Notice set aside a period of time for parties to raise issues regarding product coverage ( i.e., scope).^[4] No interested party commented on the scope of the investigation as it appeared in the Initiation Notice. Commerce is not preliminarily modifying the scope language as it appeared in the Initiation Notice. See the scope in Appendix I to this notice.

Methodology

Commerce is conducting this investigation in accordance with section 731 of the Act. Pursuant to section 776(a) and (b) of the Act, Commerce has preliminarily relied upon facts otherwise available, with adverse inferences for Vishnu Chemicals Limited (Vishnu Chemicals), the sole mandatory respondent in this investigation, because it failed to submit the necessary information to calculate an antidumping margin in this investigation. For a full description of the methodology underlying the preliminary determination, see the Preliminary Decision Memorandum.

All-Others Rate

Sections 733(d)(1)(ii) and 735(c)(5)(A) of the Act provide that, in the preliminary determination, Commerce shall determine an estimated all-others rate for all exporters and producers not individually examined. This rate shall be an amount equal to the weighted average of the estimated weighted-average dumping margins established for exporters and producers individually investigated, excluding any zero and de minimis margins, and any margins determined entirely under section 776 of the Act.

In this investigation, Commerce preliminary assigned a rate based entirely on adverse facts available (AFA) under section 776 of the Act to the mandatory respondent. Consequently, pursuant to section 735(c)(5)(B) of the Act, Commerce's normal practice under these circumstances has been to calculate the all-others rate as a simple average of the alleged dumping margin(s) from the petition.^[5] However, in the Petition, the petitioner alleged a single dumping margin; therefore, consistent with our practice, we preliminarily assigned the dumping margin alleged in the Petition, which is 14.44 percent, as the all-others rate.^[6] For a full description of the methodology underlying Commerce's analysis, see the Preliminary Decision Memorandum.

Preliminary Determination

Commerce preliminarily determines that the following estimated weighted-average dumping margins exist: ( printed page 30277)

Suspension of Liquidation

In accordance with section 733(d)(2) of the Act, Commerce will direct U.S. Customs and Border Protection (CBP) to suspend liquidation of entries of subject merchandise, as described in Appendix I, entered, or withdrawn from warehouse, for consumption on or after the date of publication of this notice in the Federal Register . Further, pursuant to section 733(d)(1)(B) of the Act and 19 CFR 351.205(d), Commerce will instruct CBP to require a cash deposit equal to the estimated weighted-average dumping margin or the estimated all-others rate, as follows: (1) the cash deposit rate for the respondent listed above will be equal to the company-specific estimated weighted-average dumping margin determined in this preliminary determination; (2) if the exporter is not a respondent identified above, but the producer is, then the cash deposit rate will be equal to the company-specific estimated weighted-average dumping margin established for that producer of the subject merchandise; and (3) the cash deposit rate for all other producers and exporters will be equal to the all-others estimated weighted-average dumping margin.

Commerce normally adjusts cash deposits for estimated antidumping duties by the amount of export subsidies countervailed in a companion countervailing duty (CVD) proceeding, when CVD provisional measures are in effect. Accordingly, where Commerce preliminarily made an affirmative determination for countervailable export subsidies, Commerce has offset the estimated weighted-average dumping margin by the appropriate CVD rate. Any such adjusted cash deposit rate may be found in the “Preliminary Determination” section above.

Should provisional measures in the companion CVD investigation expire prior to the expiration of provisional measures in this LTFV investigation, Commerce will direct CBP to begin collecting estimated antidumping duty cash deposits unadjusted for countervailed export subsidies at the time that the provisional CVD measures expire. These suspension-of-liquidation instructions will remain in effect until further notice.

Disclosure

Normally, Commerce discloses to interested parties the calculations performed in connection with a preliminary determination within five days of any public announcement or, if there is no public announcement, within five days of the date of publication of the notice of preliminary determination in the Federal Register , in accordance with 19 CFR 351.224(b). However, because Commerce preliminarily applied AFA to Vishnu Chemicals, in accordance with section 776 of the Act, and the applied AFA rate is based solely on the petition, there are no calculations to disclose.

Consistent with 19 CFR 351.224(e), Commerce will analyze and, if appropriate, correct any timely allegations of significant ministerial errors by amending the preliminary determination. However, consistent with 19 CFR 351.224(d), Commerce will not consider incomplete allegations that do not address the significance standard under 19 CFR 351.224(g) following the preliminary determination. Instead, Commerce will address such allegations in the final determination together with issues raised in the case briefs or other written comments.

Verification

Because the individually-examined respondent in this investigation did not act to the best of its ability to provide information requested by Commerce, and Commerce preliminarily determines the examined respondent is uncooperative, we will not conduct verification.

Public Comment

Case briefs or other written comments may be submitted to the Assistant Secretary for Enforcement and Compliance no later than 14 days after the date of publication of the preliminary determination. Rebuttal briefs, limited to issues raised in the case briefs, may be filed not later than five days after the date for filing case briefs.^[8] Interested parties who submit case or rebuttal briefs in this proceeding must submit: (1) a table of contents listing each issue; and (2) a table of authorities.^[9]

As provided under 19 CFR 351.309(c)(2)(iii) and (d)(2)(iii), we request that interested parties provide at the beginning of their briefs a public, executive summary for each issue raised in their briefs.^[10] Further, we request that interested parties limit their executive summary of each issue to no more than 450 words, not including citations. We intend to use the executive summaries as the basis of the comment summaries included in the issues and decision memorandum that will accompany the final determination in this investigation. We request that interested parties include footnotes for relevant citations in the executive summary of each issue. Note that Commerce has amended certain of its requirements pertaining to the service of documents in 19 CFR 351.303(f).^[11]

Pursuant to 19 CFR 351.310(c), interested parties who wish to request a hearing, limited to issues raised in the case and rebuttal briefs, must submit a written request to the Assistant Secretary for Enforcement and Compliance, U.S. Department of Commerce, within 30 days after the date of publication of this notice. Requests should contain: (1) the party's name, address, and telephone number; (2) the number of participants and whether any participant is a foreign national; and (3) a list of the issues to be discussed. If a request for a hearing is made, Commerce intends to hold the hearing at a date and time to be determined. Parties should confirm by telephone the date, time, and location of the hearing two days before the scheduled date. ( printed page 30278)

Postponement of Final Determination and Extension of Provisional Measures

Section 735(a)(2) of the Act provides that a final determination may be postponed until not later than 135 days after the date of the publication of the preliminary determination if, in the event of an affirmative preliminary determination, a request for such postponement is made by exporters who account for a significant proportion of exports of the subject merchandise, or in the event of a negative preliminary determination, a request for such postponement is made by the petitioner. Pursuant to 19 CFR 351.210(e)(2), Commerce requires that requests by respondents for postponement of a final antidumping determination be accompanied by a request for extension of provisional measures from a four-month period to a period not more than six months in duration.

On April 29, 2026, pursuant to 19 CFR 351.210(e), Vishnu Chemicals requested that Commerce postpone the final determination and that provisional measures be extended to a period not to exceed six months.^[12] In accordance with section 735(a)(2)(A) of the Act and 19 CFR 351.210(b)(2)(ii), because: (1) the preliminary determination is affirmative; (2) the requesting exporter accounts for a significant proportion of exports of the subject merchandise; and (3) no compelling reasons for denial exist, Commerce is postponing the final determination and extending the provisional measures from a four-month period to a period not greater than six months. Accordingly, Commerce will make its final determination no later than 135 days after the date of publication of this preliminary determination.

U.S. International Trade Commission Notification

In accordance with section 733(f) of the Act, Commerce will notify the U.S. International Tade Commission (ITC) of its preliminary determination of sales at LTFV. If the final determination is affirmative, the ITC will determine before the later of 120 days after the date of this preliminary determination or 45 days after the final determination whether imports of chromium trioxide from India are materially injuring, or threaten material injury to, the U.S. industry.

Notification to Interested Parties

This determination is issued and published in accordance with sections 733(f) and 777(i)(1) of the Act and 19 CFR 351.205(c).

Appendix I

Scope of the Investigation

The merchandise subject to this investigation is chromium trioxide (Chemical Abstracts Services (CAS) registry number 1333-82-0), regardless of form (dry or solution). Chromium trioxide is an inorganic compound with the molecular formula CrO₃ in dry form and H₂ CrO₄ in solution form. All relevant formulas refer to same product with one unit of Chromium (as Cr+6) and three units of Oxygen, such as Cr₄ O₁₂; and Cr_0.25 O_0.75.

The product in dry form is generally referred to as chromium trioxide, which is the acidic anhydride of chromic acid. Chromium trioxide in solution form may be referred to as chromic acid. However, the dry form may also be marketed under the name chromic acid.

A non-exhaustive list of other names used for the subject merchandise includes: chromic anhydride, chromic trioxide, chromium (VI) oxide, monochromium trioxide, chromia, chromium (VI) trioxide, trioxochromium, and chromtrioxid. A non-exhaustive list of trade names for the subject merchandise includes: 11910080KROMSAV-ANHIDRID IP, Aktivkohle, imprägniert, Typ PLWK, Chromsaure, and Chroomzuur.

All chromium trioxide is covered by the scope of this investigation irrespective of purity, particle size, or physical form. Chromium trioxide is generally imported in dry form, including in the form of pellets, flakes, powders, or beads, but the scope includes chromium trioxide in solution form.

Chromium trioxide that has been blended with another product or products other than water is included in the scope if the resulting mix contains 90 percent or more of chromium trioxide by total formula weight, such as chromium trioxide mixed with a catalyst to make the product ready for use in metal finishing applications. If chromium trioxide is imported blended with another product, only the chromium trioxide content of the blend is included within the scope.

Subject merchandise also includes chromium trioxide that has been processed in a third country into a product that otherwise would be within the scope of this investigation, i.e., if any such further processing would not otherwise remove the merchandise from the scope of the investigation it is included in the scope of the investigation, including blending, flaking, mixing with water, or packaging. For example, the dry form of the subject merchandise may be imported into a third country and then processed into solution before shipment to the United States. Such a solution would be subject to the scope.

The subject merchandise is provided for in subheading 2819.10.0000 of the Harmonized Tariff Schedule of the United States (HTSUS). In addition to 1333-82-0, import documentation may also reflect CAS registry numbers 12324-05-9, 12324-08-2, and 1362947-20-3. Although the HTSUS subheading and CAS registry numbers are provided for convenience and customs purposes, the written description of the scope is dispositive.

Appendix II

List of Topics Discussed in the Preliminary Decision Memorandum

I. Summary

II. Background

III. Period of Investigation

IV. Application Of Facts Available With Adverse Inferences

V. Adjustments to Cash Deposit Rates for Export Subsidies in the Companion Countervailing Duty Investigation

VI. Recommendation

91 FR 30276