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Category: indirect food additives: oxygen absorber in food packaging
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Physical Properties:
| Appearance: | white to tan crystals (est) |
| Assay: | 95.00 to 100.00 %
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| Food Chemicals Codex Listed: | No |
| Flash Point: | 32.00 °F. TCC ( 0.00 °C. ) (est)
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| Insoluble in: |
| | water | | | organic solvents |
Organoleptic Properties:
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| Odor and/or flavor descriptions from others (if found). |
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Cosmetic Information:
Suppliers:
Safety Information:
Safety in Use Information:
| Category: | indirect food additives: oxygen absorber in food packaging |
| Recommendation for iron(II) modified bentonite usage levels up to: | | | not for fragrance use.
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| Recommendation for iron(II) modified bentonite flavor usage levels up to: |
| | not for flavor use.
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Safety References:
| European Food Safety Authority (EFSA) reference(s): |
Scientific Opinion on the safety evaluation of the active substance iron (II) modified bentonite as oxygen absorber for use in active food contact materials View page or View pdf |
Scientific Opinion on the safety evaluation of the active substances Sodium carboxy methyl cellulose, bentonite, aluminium potassium sulphate for use in active food contact materials View page or View pdf |
Scientific Opinion on safety assessment of the active substance, iron (0) modified bentonite as oxygen absorber, for use in active food contact materials View page or View pdf |
Safety assessment of the substance montmorillonite clay modified by dimethyldialkyl(C16-C18)ammonium chloride for use in food contact materials View page or View pdf |
| AIDS Citations: | Search |
| Cancer Citations: | Search |
| Toxicology Citations: | Search |
| EPA ACToR: | Toxicology Data |
| EPA Substance Registry Services (SRS): | Registry |
| Laboratory Chemical Safety Summary : | 517273 |
| National Institute of Allergy and Infectious Diseases: | Data |
| | dioxosilane;oxo(oxoalumanyloxy)alumane;hydrate |
| Chemidplus: | 0001302789 |
| RTECS: | 1302-78-9 |
References:
| | dioxosilane;oxo(oxoalumanyloxy)alumane;hydrate |
| Pubchem (cid): | 517273 |
| Pubchem (sid): | 135208061 |
Other Information:
| (IUPAC): | Atomic Weights of the Elements 2011 (pdf) |
| Videos: | The Periodic Table of Videos |
| tgsc: | Atomic Weights use for this web site |
| (IUPAC): | Periodic Table of the Elements |
| FDA Indirect Additives used in Food Contact Substances: | View |
| HMDB (The Human Metabolome Database): | Search |
| ChemSpider: | View |
Formulations/Preparations: •hollander & mcclanahan base is a hydrophilic base containing bentoniteit contains petrolatum 32 g, bentonite 13 g, sodium lauryl sulfate 0.5 g, water 54 g, methylparaben 0.1 g bentonite usp
•bentonite usp: magma usp (5%) contains bentonite 5 g & purified water, to make 100 ml. ointment contains bentonite 15 g, propylene glycol 15 ml, & petrolatum, to make 100 g. bentonite usp
•bentonite magma usp prepn: sprinkle...(50 g), in portions, upon hot purified water (800 ml), allowing each portion to become thoroughly wetted without stirring. allow it to stand with occasional stirring for 24 hr. stir until uniform...add purified water to make 1000 ml & mix. bentonite magma usp
•addition of a humectant (glycerin, sorbitol, etc) in amt up to 10% will retard...drying action of bentonite & water ointments. bentonite usp
•depending on sequence of mixing it is possible to prepare both oilwater & wateroil emulsions. when oilwater emulsion is desired, bentonite is first dispersed in water & allowed to hydrate...to form magma. oil phase is then added gradually with constant trituration. to prepare wateroil emulsion, bentonite is first dispersed in oil; water is then added gradually.
•there are two varieties: (1) sodium bentonite (wyoming or western), which has high swelling capacity in water; and (2) calcium bentonite (southern), with negligible swelling capacity.
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Potential Blenders and core components note
Potential Uses:
Occurrence (nature, food, other): note
Synonyms:
| | bentone 27 | | | ivy block | | | ivyblock |
Articles:
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