biOrigins Sodium Hydroxide Products Recalled Due to Failure to Meet Child-Resistant Packaging Requirement and Violation of FHSA Labeling Requirement; Imported by Madar Corporation; Sold Exclusively at Amazon.com (Recall Alert)
Recall at a glance
- Recall number
- 22-738 (CPSC)
- Recall date
- April 7, 2022
- Brand
- biOrigins Sodium Hydroxide Products
- Category
- Other consumer products
- Products
- biOrigins Sodium Hydroxide Products
- Hazard
- Failure to Meet Child-Resistant Packaging Requirement and Violation of FHSA Labeling Requirement; Imported by Madar Corporation; Sold Exclusively at Amazon.com (Recall Alert)
- Hazard type
- Fire and burnPoisoning and toxic substances
- Remedy
- Refund
- Units
- About 30
- Made in
- United Kingdom
- Last updated by CPSC
- April 7, 2022
What was recalled
The recall involves biOrigins-branded sodium hydroxide products. The product was sold in 500 grams and 1-kilogram zip-top, silver bags. The biOrigins logo and "LYE CAUSTIC SODA/SODIUM HYDROXIDE" are printed on the front of the bag on a white and blue label. The weight and batch number 4430708, 4423901, 4415403 or 4408414 appear on the back of the product.
Is my product affected?
Compare your product with the details below, including model numbers where listed.
- biOrigins Sodium Hydroxide Products · About 30 units
Photos from the recall notice




Where it was sold
Companies named in the notice: Online at amazon.com from July 2020 through July 2021 for between $27 and $40.; Madar Corporation LTD, of the United Kingdom.
Consumer contact
Madar Corporation collect at 315-537-8102 from 9 a.m. to 5 p.m. GMT Monday through Friday, email pat@madarcorporation.co.uk, or online at www.mysticmomentsuk.com/products/lye- caustic-soda-sodium-hydroxide or www.madarcorporation.co.uk and click on "Important Recall Information For US Customers" for more information.
Recall history and context
Since 2019 CPSC has recorded 399 recalls in the other consumer products category, 68 recalls of them in the past 12 months.
Frequently asked questions
What was recalled?
biOrigins Sodium Hydroxide Products (About 30 units). The recall involves biOrigins-branded sodium hydroxide products.
Why was it recalled?
CPSC lists the reason as: Failure to Meet Child-Resistant Packaging Requirement and Violation of FHSA Labeling Requirement; Imported by Madar Corporation; Sold Exclusively at Amazon.com (Recall Alert).
What should I do if I own one?
Consumers should immediately store the recalled product in a safe location out of reach of children and contact Madar Corporation for a full refund and a free warning label. Madar Corporation is contacting all purchasers directly.
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Source: U.S. Consumer Product Safety Commission recall data, shown as published and last updated by CPSC on April 7, 2022. Details can change; the official notice is the authority. If your product may be recalled, stop and read the notice before deciding what to do. Terms and disclaimer.