Carbona · Fabric Protectant Sprays
Carbona Stain Devils #7 Motor Oil, Tar & Lubricant
Solvent stain remover, lower PFAS concern than coated products.
Carbona Stain Devils #7 is a hydrocarbon-based solvent for removing oil and tar stains. No PFAS treatment expected in liquid solvent formulation; brand silent on PFAS.
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Aliphatic hydrocarbon solvent blend
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
Category baseline
other is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
Carbona Stain Devils #7 is formulated as an aliphatic hydrocarbon solvent blend, designed to dissolve petroleum-based stains without the harshness of chlorinated solvents. Aliphatic hydrocarbons are straight- or branched-chain carbon compounds derived from mineral oil, making them less volatile and less toxic than aromatic hydrocarbons (e.g., benzene, xylene). The product works by breaking down the molecular bonds in motor oil, tar, and grease, allowing the stain to lift from fabric without damaging most synthetic and natural fibers.
The brand's record and disclosure
Carbona is a legacy stain removal brand with no major product recalls or safety violations on public record for this line. The company does not prominently publish PFAS or full chemical disclosure statements on consumer-facing materials, which is typical for solvent-based consumer products of this era. No third-party certifications (e.g., Green Seal, Cradle to Cradle) are known for this product, reflecting the small-scale, niche nature of spot-treatment solvents in the market.
How it compares in its category
Among petroleum-based stain removers, aliphatic hydrocarbon blends are considered a mid-range hazard profile: safer than chlorinated solvents (tetrachloroethylene, perchloroethylene) but more volatile than enzyme-based or water-based alternatives. Carbona Stain Devils are positioned as a targeted solvent for tough, oily stains where gentler methods fail; they are not a universal cleaner and are less suitable for delicate synthetics or wool. Plant-based or enzymatic alternatives exist but may be less effective on cured or old stains.
If you buy it
Always use in a well-ventilated space, outdoors or near an open window, to minimize inhalation exposure to solvent vapors. Test on a hidden seam or inconspicuous area first, as even aliphatic solvents can cause color bleeding or sheen changes on some dyes and finishes. Apply a small amount, let it sit for 1-2 minutes, then blot with a clean cloth; do not soak fabrics. Store in a cool, dry place away from heat and flame; the product does not require special disposal but follow local hazardous-waste guidelines if large quantities remain unused.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Volatile organic compound (VOC) inhalation
Aliphatic hydrocarbon solvents are by definition volatile; users should expect solvent odor and risk of dizziness, headache, or respiratory irritation if inhaled in confined spaces without ventilation.
Skin sensitization and irritation
Prolonged or repeated direct contact with aliphatic solvents can cause dermatitis or irritation in susceptible individuals; wearing gloves during application is advisable, especially for those with sensitive skin or eczema.
Eye contact hazard
Solvent splash to eyes can cause pain, redness, and temporary vision blur; standard solvent safety practice is to keep the product away from eyes and wash immediately with water if contact occurs.
Fabric damage or color bleeding
While aliphatic hydrocarbons are gentler than chlorinated solvents, they can still strip dyes or alter finishes on delicate or acid-dyed textiles if concentration or contact time is excessive; spot-testing is essential.
Flammability
Aliphatic hydrocarbon solvents are flammable; the product must be kept away from ignition sources, heat, and open flame, and stored in original, tightly sealed containers.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Fabric Protectant Sprays
Seventh Generation
Natural Laundry Stain Remover
water-based surfactant formula
Lower concern. Seventh Generation transparent on PFAS avoidance.
✓Verified PFAS-free by a third party
Seventh Generation
Laundry Stain Remover, Fragrance-Free, 16 oz Spray Bottle, 8/Carton
Aqueous cleaning concentrate, spray bottle dispenser
Lower concern. MADE SAFE certified laundry product with stated PFAS-free formulation.
✓Verified PFAS-free by a third party
Grandma's Secret
Grandmas Secret Spot Remover
Proprietary liquid concentrate, primarily surfactants and plant-based solvents
Liquid cleaner with no known PFAS risk; standard precaution applies.
✓Naturally PFAS-free material
More fabric protectant sprays grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.