No CAS number
Is Octafluorocyclobutane banned where you sell?
1 market has rules for it. Selling something that contains it? Check it free, no account needed.
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Status
Status by market
Banned, limited, needs a warning, or no rule we know of. US states also follow federal rules, shown in their own row.
For Packaged food and beverages: Conformity: Must meet the conditions of Octafluorocyclobutane (21 CFR 173.360) may be used in food only as the section provides: the specifications, the foods and the limits written in § 173.360.. In force since 15 Mar 1977.
The section's conditions of use (foods, limits, specifications, labelling) are written in § 173.360 and are not broken down here. Section text as written: "(a) The food additive meets the following specifications: 99.99 percent octafluorocyclobutane. Less than 0.1 part per million fluoroolefins, calculated as perfluoroisobutylene. (b) The additive is used or intended for use alone or with one or more of the following substances: Carbon dioxide, nitrous oxide, and propane, as a propellant and aerating agent for foamed or sprayed food products, except for those standardized foods that do not provide for such use. (c) To assure safe use of the additive: (1) The label of the food additive container shall bear, in addition to the other information".
“§ 173.360 Octafluorocyclobutane. The food additive octafluorocyclo-butane may be safely used as a propellant and aerating agent in foamed or sprayed food products in accordance with the following conditions:”
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 19 Aug 2026, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 13 Nov 2025, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 1 Apr 2026, and this doesn't mean it's allowed.
We have no rule for it here. Our coverage starts 8 Oct 2026, and this doesn't mean it's allowed.
- Status
- Other requirement
- Requirement, dates and source
For Packaged food and beverages: Conformity: Must meet the conditions of Octafluorocyclobutane (21 CFR 173.360) may be used in food only as the section provides: the specifications, the foods and the limits written in § 173.360.. In force since 15 Mar 1977.
The section's conditions of use (foods, limits, specifications, labelling) are written in § 173.360 and are not broken down here. Section text as written: "(a) The food additive meets the following specifications: 99.99 percent octafluorocyclobutane. Less than 0.1 part per million fluoroolefins, calculated as perfluoroisobutylene. (b) The additive is used or intended for use alone or with one or more of the following substances: Carbon dioxide, nitrous oxide, and propane, as a propellant and aerating agent for foamed or sprayed food products, except for those standardized foods that do not provide for such use. (c) To assure safe use of the additive: (1) The label of the food additive container shall bear, in addition to the other information".
“§ 173.360 Octafluorocyclobutane. The food additive octafluorocyclo-butane may be safely used as a propellant and aerating agent in foamed or sprayed food products in accordance with the following conditions:”
Parts 172-189 substance sections, 21 CFR 173.360, Subpart Specific Usage Additives · fetched 2026-10-09US National Archives / Office of the Federal Register (eCFR): 21 CFR Part 173 (eCFR, version of 2026-10-07)(opens in a new tab)
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Jan 2025, and this doesn't mean it's allowed.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
- Status
- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
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- Not covered
- Requirement, dates and source
We hold no rules for this market.
- Status
- Not covered
- Requirement, dates and source
We hold no rules for this market.
- Status
- Not covered
- Requirement, dates and source
We hold no rules for this market.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 19 Aug 2026, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 13 Nov 2025, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 1 Apr 2026, and this doesn't mean it's allowed.
- Status
- No known rule
- Requirement, dates and source
We have no rule for it here. Our coverage starts 8 Oct 2026, and this doesn't mean it's allowed.
California
Prop 65 listing
California's list of chemicals known to cause cancer or reproductive harm.
Not on the Prop 65 list in our data
Not on California's list when we last checked it.
Groups
Group memberships
Groups that name this substance. Markets define groups like PFAS in different ways.
Not named in any group
No group we track names this substance. Groups like PFAS are defined by chemical structure and don't list members, so whether it's in one depends on your product.
Records
Recalls and alerts
Recalls, safety alerts and Prop 65 notices that name Octafluorocyclobutane, with a link to the original. A Prop 65 notice is a claim by the sender, not a ruling.
No records in our feeds
No Prop 65 notice, EU Safety Gate alert or CPSC recall has named Octafluorocyclobutane since January 2023. Other agencies may still have acted.
See also
Related
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- United States (federal)
When our coverage starts, the laws and the sources.
- Packaged food and beverages
Every rule for this kind of product, in each market.
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