How much products actually contain
No product states its amount yet.
Of the products containing it, 0 list it before the 1% line and 1 after it (usually 1% or less).
Products using this ingredient
1 of 1 confirmed · likeliest to carry enough first
Definition
US FDA substance register · UNII 3075U8R23D · registered name SODIUM OXIDE · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name 酸化Ｎａ: 本品は、ナトリウムの酸化物であり、次の化学式で表される。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 1313-59-3
- EC No.EU chemical inventory number
- 215-208-9
- DTXSIDUS EPA chemical ID
- DTXSID0049781
- DTXCIDUS EPA compound ID
- DTXCID00820245
- IUPAC
- Disodium oxide
- Molecular formula
- Na2O
- Molecular weight
- 61.979 g/mol
Measured properties
- Appearance
- CBI, Large Crystals, Other Solid, Dry Powder, Liquid · WHITE LUMPS OR POWDER.
- Melting point
- 1275 °C (sublimes)
- Solubility
- Solubility in water: reaction
- Density
- 2.3 g/cm³ · 2.27 @25 °C
- Colour
- white
- Melting/freezing point
- 1275 ℃
- Upper/lower flammability or explosive limits
- - / -
- Vapour density
- 2.14
- Molecular weight
- 61.99
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
What products actually use it for
What the 39 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Adsorbent13
- Binder12
- pH regulating agent3
- Dehydrating agent (desiccant)2
- Intermediate2
- Catalyst2
- Coalescing agent1
- Processing aids not otherwise specified1
3 other uses
- Flux agent1
- Chemical reaction regulator1
- Stabilizing agent1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 1 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 3 studies
- Category 8.2B (Category 1B)
Skin Irritation · Read Across - Skin corrosion/irritation - Category 1
Skin Irritation · Screening - Category 8.3A (Category 1)
Eye Irritation · Read Across
Source: US EPA CompTox dashboard
Related literature
- Characteristics of agglomerates of sodium oxide aerosol particles: Task 7, topical report. [LMFBR] · 1977
- Synergistic effects of Na2O on structural, physical, optical, and bioactive properties of SrO-SiO2-ZrO2 glasses for biomedical applications · 2024
- Manufacturing Technology and Usage of Glass Fragments in Jahangir Dome and Goriye, Sasanid Sites in Western Iran · 2023
- Final Report on the Safety Assessment of Potassium Silicate, Sodium Metasilicate, and Sodium Silicate1 · 2005
Linked databases 18
- Australian Industrial Chemicals Inventory (AICIS)
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- NIST Chemistry WebBook
- PubChem
- Tlooto literature search 2 3 4
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · Korean · English · Japanese · Chinese