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Palladium in solid form isn’t toxic and radioactive to humans and is safely used in jewelry, dental applications, and investment bullion.
However, certain palladium compounds are highly toxic. These are palladium salts (ionic forms), palladium chloride and palladium nanoparticles.
Palladium jewelry and bullion are completely safe as they contain solid palladium. Pure palladium flakes can be eaten like gold and platinum, though they’re tasteless and indigestible.
Palladium allergies affect under 5% of people and palladium’s allergenic properties differ from its toxicity.
Here’s an awesome quiz about palladium’s toxicity properties. Take it after you’ve read my guide for your best results.
Is Palladium Toxic to Humans? Or is it Safe?
Palladium isn’t toxic to humans. It’s a safe noble metal widely used for investment and jewelry purposes, and in biomedical and dental applications thanks to its biocompatibility and corrosion resistance.
Solid palladium isn’t dangerous to human body and health, but some palladium forms are toxic if inhaled and ingested.
Which Palladium Forms are Toxic to Humans? And Which are Safe?
Toxic palladium forms to humans are:
- Palladium Salts (Ionic Forms). All palladium salts are highly toxic. The ionic form (Pd²⁺ and Pd⁴⁺) can interact with biological substances like proteins and DNA, and cause significant harm within the body on a molecular level.
- Palladium Chloride (\(\text{PdCl}_{2}\)). Palladium Chloride is harmful when swallowed, inhaled, or absorbed through the skin. In laboratory animals, it has been shown to cause damage to the bone marrow, liver, and kidneys.
- Hexachloropalladate salts (\(\text{PdCl}_{6}^{2-}\)). These salts have also demonstrated toxicity in studies, causing cell viability issues and other immune system effects.
- Palladium Nanoparticles (PdNPs). Palladium nanoparticles at sufficiently high concentrations cause mitochondrial damage, oxidative stress, and cell death .
Is Palladium Toxicity the Same as Platinum Allergies?
No, palladium toxicity and palladium allergies aren’t the same.
Toxic palladium forms like palladium salts and nanoparticles are harmful to humans and living being alike, whereas palladium allergies are relatively rare (<5% of the population) and most people aren’t allergic to palladium.
This means you can be allergic to palladium and still be poisoned by it. It also means you can be immune to palladium’s allergenic properties and still be poisoned by palladium salts and its nanoparticles.
Also keep in mind that people allergic to nickel are more likely to be allergic to palladium.
This cross-reactivity happens because nickel and palladium are chemically similar as they’re in the same group (Group 10) of the periodic table.
However, not everyone allergic to nickel is also going to be allergic to palladium.
Is Palladium Jewelry Toxic to Humans or Not?
No, palladium jewelry isn’t toxic. It’s 100% safe to wear and there’s zero risk of getting poisoned by it.
Solid palladium is non-reactive and doesn’t interact with either skin or body (when ingested).
Palladium jewelry is never made from pure palladium as this metal is too soft for creating durable jewelry pieces.
Instead, palladium is alloyed with other metals to boost it’s strength, durability and jewelry workability.
Common palladium alloys are palladium 950 (mostly used for jewelry) and palladium 500 (used for low-end jewelry but also for cutlery and tableware).
Is Palladium Bullion Toxic to Humans Or Not?
No, palladium bullion isn’t toxic to humans. It’s safe.
Palladium coins and bars produced for investment purposes belong to a category called “IRA-approved palladium” and this is the bullion type you can own as part of your palladium IRA account.
These coins and bars must be at least 99.95% pure and they must come from NYMEX/COMEX-approved national refiners and mints.
Palladium bullion isn’t toxic because it’s made of pure palladium in its solid form. And palladium in its solid form is 100% safe for humans to touch and handle.
Is it Possible To Eat Palladium Similar to Eating Gold and Platinum?
Yes, it’s possible to eat palladium in flake form, as long as it’s 100% pure palladium.
However, palladium flakes are uncommon and unpopular compared to platinum flakes (99.9% platinum) and much more popular gold leaf flakes (99.9% gold).
Note: palladium flakes, gold flake and platinum flakes are tasteless and can’t be digested by the human body.
That’s why there’s no danger of getting poisoned, provided the flakes are pure and not contaminated with heavy, toxic metals like cadmium, lead and mercury.
Always buy from reputable sellers and check for certification.
Is Pure Palladium Toxic to Pets and Other Animals?
No, pure palladium toxic isn’t toxic to pets and other animals.
Pure metallic palladium is chemically inert in solid form because it’s poorly absorbed by the body. Once ingested, solid palladium will go through the digestive tract and come out of the body unchanged, but in a need of a thorough cleaning.
Note: solid palladium also isn’t toxic to animals because they can’t digest it the same way humans can’t.
But palladium salts and other poisonous compounds are toxic to animals so if you’re a chemist working with palladium make sure you do your work far from your pets.
Finally, ingested palladium pieces will get stuck in the digestive tracts of smaller animals like cats, dogs and rabbits, but will pass through with no issue in horses, cows, ponies and so on.
Go to your vet with your pet if accidents happen to protect the animal’s health and to recover valuable palladium.
Is Palladium Radioactive to Humans? Is it Harmful?
No, palladium isn’t radioactive and harmful to humans. It’s safe.
Metallic palladium isn’t radioactive because it’s made up of 6 natural and stable isotopes.
The fact that these isotopes are stable (opposite of radioactive) is what makes palladium in its solid, metallic form safe and nonradioactive to humans.
Bottom line is that all palladium jewelry and bullion is 100% safe and nonradioactive.
You have nothing to worry about.
Palladium also has at least 39 artificial radioactive isotopes which aren’t present tin nature, but are created in nuclear reactors or particle accelerators.
There’s very little practical use of these artificial palladium isotopes with the exception of palladium-103 which is used in brachytherapy (a form of cancer treatment where radioactive sources are implanted directly into a tumor).
In this specific medical application, its radioactivity is intentionally used to kill cancerous cells, and no general palladium-related complications from the metal itself have been reported.
Is Palladium Toxic and Dangerous to Humans, Yes or No? Is it Radioactive? Can Palladium Jewelry and Bullion Cause Body Toxicity and Harm?
Palladium in solid metallic form isn’t toxic to humans and is widely used safely in jewelry, dental work, and investment bullion.
However, specific palladium compounds pose serious health risks. Palladium salts (ionic forms like Pd²⁺ and Pd⁴⁺) are highly toxic, interacting harmfully with proteins and DNA at the molecular level.
Palladium chloride causes damage to bone marrow, liver, and kidneys when inhaled, swallowed, or absorbed through skin.
Hexachloropalladate salts affect cell viability and immune function, while palladium nanoparticles at high concentrations cause mitochondrial damage, oxidative stress, and cell death.
Palladium jewelry and IRA-approved bullion (99.95% pure) are completely safe to handle and wear. Pure palladium flakes can even be consumed like gold and platinum flakes, though they remain indigestible and tasteless.
Palladium allergies are rare, affecting less than 5% of the population, with higher prevalence among those allergic to nickel due to chemical similarities. Importantly, palladium toxicity and allergies are distinct conditions. Meaning one can experience either or both independently.
Palladium isn’t radioactive as it’s made up of stable isotopes.
References:
- Systemic allergic contact dermatitis to palladium, platinum, and titanium: mechanisms, clinical manifestations, prevalence, and therapeutic approaches- https://pubmed.ncbi.nlm.nih.gov/37873514/
- Systemic allergic contact dermatitis to palladium, platinum, and titanium: mechanisms, clinical manifestations, prevalence, and therapeutic approaches- https://pmc.ncbi.nlm.nih.gov/articles/PMC10590457/
- 25 Loose Leaves Booklet 24ct Pure Edible Gold Leaf 80 x 80mm- https://www.ediblegold.co.uk/collections/24ct-pure-gold-leaf/products/25-loose-leaves-booklet-24ct-pure-gold-leaf
- Edible Platinum Flakes- https://www.slofoodgroup.com/products/edible-platinum-flakes
- Isotopes of palladium- https://en.wikipedia.org/wiki/Isotopes_of_palladium
Nikola Roza
Nikola Roza is a blogger behind Nikola Roza- SEO for the Poor and Determined. He writes for bloggers who don't have huge marketing budget but still want to succeed. Nikola is passionate about precious metals IRAs and how to invest in gold and silver for a safer financial future. Learn about Nikola here.
