Germanium Dioxide

Also known as: Germanium(IV) oxide, Germanium oxide (GeO2), Germanium dioxide (GeO2), EINECS 215-180-8, Germanic acid (+1 more)

INCI: GERMANIUM DIOXIDE

Germanium Dioxide (CAS 1310-53-8) is a cosmetic cosmetic ingredient functioning as Skin conditioning; also used in electronics and optics. NOAEL 72 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 1310-53-8 →

Auto-generated CPSR Part A draft with source citations
Function
Skin conditioning; also used in electronics and optics
Safety Rating
POOR

Chemistry & Identifiers

Formula
GeO2
MW
104.63 g/mol
EC Number
215-180-8
PubChem CID
14796
IUPAC Name
dioxogermane
InChIKey
YBMRDBCBODYGJE-UHFFFAOYSA-N

Regulatory Status

EU EU Status prohibited
US US Status permitted
US Notes No specific CFR cosmetic entry; not GRAS; no FDA monograph

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Germanium Dioxide.

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Germanium Dioxide across SCCS product categories, with measured dermal absorption where available.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
10 - 100 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Biocide

Expert Verdict

Expert safety assessment and concern-level summary for Germanium Dioxide.

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Germanium Dioxide by CAS number or substance name.

Studies
3
Lowest NOAEL
30 mg/kg bw/day
Highest NOAEL
30 mg/kg bw/day
ECHA_REACH_reach_study_results_dossiers_23-05-2023.zip

Known Synonyms

Germanium(IV) oxide Germanium oxide (GeO2) Germanium dioxide (GeO2) EINECS 215-180-8 Germanic acid UNII-5O6CM4W76A

Chemical Function

Biocide

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Germanium Dioxide safe in cosmetics?

Germanium Dioxide has a safety rating of "POOR" in our database. EU status: prohibited. US status: permitted.

Is Germanium Dioxide allowed in the EU?

Germanium Dioxide EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Germanium Dioxide do in cosmetics?

Germanium Dioxide functions as: Skin conditioning; also used in electronics and optics. It is classified as a cosmetic ingredient in our database. CAS number: 1310-53-8.

Is Germanium Dioxide used outside cosmetics?

Germanium Dioxide also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does Germanium Dioxide have different safety status in cosmetics vs industrial chemicals?

Germanium Dioxide is prohibited in EU cosmetics but has active industrial GHS classifications (H302, H318, H361f, H373, H400, H412).

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