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Magnesium chloride

  • Fragrances
  • CAS 7786-30-3
  • IUPAC: Magnesium chloride

Magnesium chloride (CAS 7786-30-3) appears in 1 of the 1,812 car-care products CarCareTruth tracks (as of June 2026). It is readily biodegradable.

Inorganic salt present as a trace nonfunctional impurity in some fragrance ingredient complexes. Listed as an EU fragrance allergen at the blend level. At trace concentrations in finished products, it poses no meaningful health concern.

Magnesium chloride is a naturally occurring inorganic salt appearing as a trace nonfunctional impurity in some fragrance ingredient complexes. Listed as an EU fragrance allergen at the blend level, but the classification reflects the complex rather than magnesium chloride itself being a sensitizer.

Health & environment profile

VOC
no
Prop 65 listed
no
Asthmagen
no
EPA Safer Choice
no
Aquatic toxicity
no
Biodegradable
yes
Bioaccumulative
no
Persistent
no
Ozone depleting
no
Microplastic
no
PFAS
no
Env. score
5/5
Purpose: Impurity from fragrance manufacturing; listed as EU fragrance allergen at trace levels

Common questions about Magnesium chloride

What is Magnesium chloride used for in car care?
Impurity from fragrance manufacturing; listed as EU fragrance allergen at trace levels
Is Magnesium chloride a VOC?
No. Magnesium chloride is not classified as a volatile organic compound (VOC).
Is Magnesium chloride on California's Proposition 65 list?
No. Magnesium chloride is not on California's Proposition 65 list.
Is Magnesium chloride biodegradable?
Yes. Magnesium chloride has a confirmed biodegradable profile.

1 product contain this

Related

Health and environment notes translate the manufacturer Safety Data Sheet, the GHS classification, and authoritative regulatory listings (California Prop 65, EPA). Not medical advice. They describe the ingredient itself; whether a hazard applies to a finished product depends on its concentration and how it's used.