FDA Status
Approved
Food Additive · CAS 977187-38-4
FDA status: Approved. EU: not separately listed. No U.S. state has enacted a specific ban yet.
According to the U.S. Food and Drug Administration, Sulfites, Strong Alkali is FDA-approved, and no U.S. state has moved to restrict it independently of federal policy. Its composite safety score is 4 out of 5 (Low Risk).
The verdict
Sulfites, Strong Alkali is FDA-approved, and no U.S. state has moved to restrict it.
Sulfites, Strong Alkali, CAS 977187-38-4, is a food additive additive holding a composite safety score of 4 out of 5 (Low Risk). According to the U.S. Food and Drug Administration's Substances Added to Food inventory, it is currently classified as Approved, while the European Union lists it as not separately listed. It is most commonly used as Various food applications.
No U.S. state has enacted specific legislation targeting Sulfites, Strong Alkali to date, keeping federal FDA classification as the operative standard. State-level food safety legislation remains active nationally, and that picture may shift as new bills advance.
No major peer-reviewed health concerns are presently documented for Sulfites, Strong Alkali at consumer exposure levels, though scientific review is ongoing and positions can shift. All figures above draw on FDA SAFFA inventory records, EU food additive regulation (EC) No 1333/2008, EFSA scientific opinions where published, and legislative records from individual U.S. states.
| Property | Value | Source |
|---|---|---|
| FDA Status | Approved | FDA SAFFA |
| EU Status | Not separately listed | EC 1333/2008 |
| E-Number | - | EU additive register |
| CAS Number | 977187-38-4 | CAS Registry |
| Category | Food Additive | FDA functional class |
| Composite Safety Score | 4 / 5 (Low Risk) | PlainIngredients methodology |
| EFSA ADI | Not established | EFSA scientific opinion |
| U.S. State Actions | 0 states | State legislative records |
| Tracked Products | Not yet tracked | Open Food Facts (US) |
Values reflect official agency classifications as published by the U.S. Food and Drug Administration and the European Union's regulatory framework. See our methodology for scoring details.
FDA Status
Approved
EU Status
Not specified
U.S. State Regulations
0 states
None enacted
Sulfites, Strong Alkali's 4/5 (Low Risk) score reflects where this specific ingredient lands on that scale. The FDA has approved Sulfites, Strong Alkali for use in food products under specified conditions.
Where a safety score of 4/5 falls among all 4,509 scored ingredients tracked on PlainIngredients.
4,369 of 4,509 scored ingredients (96.9%) share a safety score of 4/5.
SULFITES, STRONG ALKALI": - cell "977187-38-4" - cell "SULFITES, STRONG ALKALI": - link "SULFITES, STRONG ALKAL (CAS 977187-38-4) is an FDA-regulated food substance used as a food additive.
Sulfites, Strong Alkali has a safety score of 4/5 (Low Risk). It is approved by the FDA for use in food. As with all food additives, moderation is advisable.
Sulfites, Strong Alkali is commonly used as: Various food applications. It belongs to the Food Additive category of food additives.
Currently, no US states have enacted specific bans or regulations targeting Sulfites, Strong Alkali. However, state food safety legislation is evolving rapidly.
The FDA classifies Sulfites, Strong Alkali as "Approved", and the EU may apply different standards. The FDA and EU use separate evaluation frameworks, the EU often applies the precautionary principle, sometimes banning additives that remain approved in the US. Always check both jurisdictions when evaluating food additive safety.
No major health concerns have been widely documented for Sulfites, Strong Alkali at this time. It holds a safety score of 4/5 (Low Risk). As with all food additives, ongoing scientific review may identify new findings.
The safety score of 4/5 for Sulfites, Strong Alkali is a composite assessment based on FDA regulatory status, EU approval status, published scientific research on health effects, and state-level legislative actions. A score of 1 means "Banned / Avoid" and 5 means "Generally Safe." The score is updated as new regulatory actions or scientific evidence emerge.
What to do about Sulfites, Strong Alkali
Use the regulatory picture, not a single score, to decide.
Safety scores summarise regulatory status and published concerns; they are not medical or dietary advice.
Every figure on PlainIngredients is rendered directly from FDA, EU, EFSA and U.S. state regulatory records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.