EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes

ferric oxide anhydrous
red ferric oxide

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Name:iron(3+); oxygen(2-); hydrate
CAS Number: 1309-37-1Picture of molecule3D/inchi
Other(deleted CASRN):110736-41-9
ECHA EINECS - REACH Pre-Reg:215-168-2
FDA UNII: 1K09F3G675
Molecular Weight:159.68760000
Formula:Fe2 O3
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:coloring agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Perfumer and Flavorist:Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
 FDA/DG SANTE Petitions, Reviews, Notices:
1980 Ferric oxide View - review
186.1300 Ferric oxide (packaging) View - review
EU SANCO Iron oxides and hydroxides View - review
JECFA Food Additive: Iron Oxides
GSFA Codex: Iron oxide, red (172(ii))
FDA Mainterm (SATF):1309-37-1 ; FERRIC OXIDE
FDA Regulation:
Subpart B--Substances for Use Only as Components of Paper and Paperboard
Sec. 176.170 Components of paper and paperboard in contact with aqueous and fatty foods.

Subpart D--Certain Adjuvants and Production Aids
Sec. 178.3297 Colorants for polymers.

Subpart B--Listing of Specific Substances Affirmed as GRAS
Sec. 186.1300 Ferric oxide.

Subpart A--Foods
Sec. 73.350 Mica-based pearlescent pigments.
Physical Properties:
Food Chemicals Codex Listed: No
Specific Gravity:5.24000 @ 25.00 °C.
Flash Point: 32.00 °F. TCC ( 0.00 °C. ) (est)
Soluble in:
 water, 1.015e+004 mg/L @ 25 °C (est)
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: cosmetic colorants
BOC Sciences
For experimental / research use only.
Ferric oxide 99.5%
Camden-Grey Essential Oils
Iron oxide, Red, Bulk
Odor: characteristic
Use: Red iron oxide is pure and extracted from nature. It may be used in soap and cosmetics as colorant, experiment first with a small amount until you obtain a shade you like. If used properly in soap, it will produce a beautiful shade of red. Mesh ? 325 (100% finer than 400 mesh).
ECSA Chemicals
Glentham Life Sciences
Iron(III) oxide, 98%
Hebei Daou Technology
Ferric oxide red
Indis NV
For experimental / research use only.
Iron Oxides: Black, Brown, Red, Yellow, etc.
Santa Cruz Biotechnology
For experimental / research use only.
Iron(III) oxide
For experimental / research use only.
Iron(III) oxide powder, <5 Ám, ≥99%
Strem Chemicals
For experimental / research use only.
Iron(III) oxide (99.995%-Fe) PURATREM
Safety Information:
Preferred SDS: View
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
subcutaneous-dog LDLo 30 mg/kg
"Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1289, 1935.

Inhalation Toxicity:
Not determined
Safety in Use Information:
coloring agents
Recommendation for ferric oxide anhydrous usage levels up to:
 not for fragrance use.
Recommendation for ferric oxide anhydrous flavor usage levels up to:
 not for flavor use.
Safety References:
European Food Safety Authority (EFSA) reference(s):

Scientific Opinion on the safety assessment of the active substances iron, iron oxides, sodium chloride and calcium hydroxide for use in food contact materials
View page or View pdf

Statement on the validity and robustness of information provided on irradiated iron oxides
View page or View pdf

Scientific Opinion on the re-evaluation of iron oxides and hydroxides (E 172) as food additives
View page or View pdf

Safety and efficacy of iron oxide black, red and yellow for all animal species
View page or View pdf

Safety and efficacy of iron compounds (E1) as feed additives for all species: ferric oxide based on a dossier submitted by Poortershaven IndustriŰle Mineralen B.V.
View page or View pdf

EPI System: View
Daily Med:search
NIOSH International Chemical Safety Cards:search
NIOSH Pocket Guide:search
Chemical Carcinogenesis Research Information System:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):1309-37-1
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :61560
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:nwg
iron(3+); oxygen(2-); hydrate
EPA/NOAA CAMEO:hazardous materials
 iron(3+); oxygen(2-); hydrate
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:1309-37-1
Pubchem (cid):61560
Pubchem (sid):135018612
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 Substances Added to Food (formerly EAFUS):View
FDA Indirect Additives used in Food Contact Substances:View
HMDB (The Human Metabolome Database):Search
Export Tariff Code:2821.10.0050
FDA Listing of Food Additive Status:View
FDA Color Additive Status ListView
Potential Blenders and core components note
None Found
Potential Uses:
 cosmetic colorants
Occurrence (nature, food, other):note
 not found in nature
 aquaspersabil RIO
 biogenic magicolor-103R
 c.i. 77491
 ci 77491
 ferric oxide
red ferric oxide
 ferric oxide anhydrous
red iron oxide
 iron sesquioxide
 iron(3+); oxygen(2-); hydrate
 iron(III) oxide
red ochre
 oleosperse RIO
 pigment red 101
 pigment red 102
 red AFP-18K
 sympholight RW


Google Patents:Preparation of ferric oxide sols and sol particles
PubMed:Iron-rich drinking water and ascorbic acid supplementation improved hemolytic anemia in experimental Wistar rats.
PubMed:Characterization of Fe-leonardite complexes as novel natural iron fertilizers.
PubMed:Microworms swallow the nanobait: the use of nanocoated microbial cells for the direct delivery of nanoparticles into Caenorhabditis elegans.
PubMed:Core-shell hybrid nanomaterial based on prussian blue and surface active maghemite nanoparticles as stable electrocatalyst.
PubMed:Iron oxide/gold core/shell nanomagnetic probes and CdS biolabels for amplified electrochemical immunosensing of Salmonella typhimurium.
PubMed:Enhancement of phosphorus sorption onto light expanded clay aggregates by means of aluminum and iron oxide coatings.
PubMed:Magnetic-responsive hybrids of Fe3O4 nanoparticles with ╬▓-lactoglobulin amyloid fibrils and nanoclusters.
PubMed:Aminoalkyl functionalization of dextran for coupling of bioactive molecules and nanostructure formation.
PubMed:Kinetics of adsorption of bovine serum albumin on magnetic carboxymethyl chitosan nanoparticles.
PubMed:A glucose biosensor based on surface active maghemite nanoparticles.
PubMed:╬▒-Fe2O3 nanocolumns and nanorods fabricated by electron beam evaporation for visible light photocatalytic and antimicrobial applications.
PubMed:Dietary bioavailability of Cu adsorbed to colloidal hydrous ferric oxide.
PubMed:Electrogenerated chemiluminescence immunosensor for Bacillus thuringiensis Cry1Ac based on Fe3O4@Au nanoparticles.
PubMed:Sugarcane bagasse treated with hydrous ferric oxide as a potential adsorbent for the removal of As(V) from aqueous solutions.
PubMed:Avidin functionalized maghemite nanoparticles and their application for recombinant human biotinyl-SERCA purification.
PubMed:Potential application of superparamagnetic nanoparticles for extraction of bacterial genomic DNA from contaminated food and environmental samples.
PubMed:Development of highly ordered nanofillers in zein nanocomposites for improved tensile and barrier properties.
PubMed:Biofunctionalized dendritic polyaniline nanofibers for sensitive electrochemical immunoassay of biomarkers.
PubMed:Bioaccumulation of Fe2O3(magnetic) nanoparticles in Ceriodaphnia dubia.
PubMed:Facile and rapid magnetic relaxation switch immunosensor for endocrine-disrupting chemicals.
PubMed:Ferumoxytol: a new era of iron deficiency anemia treatment for patients with chronic kidney disease.
PubMed:Antibody conjugated magnetic iron oxide nanoparticles for cancer cell separation in fresh whole blood.
PubMed:[Bioavailability of nanoparticles of ferric oxide when used in nutrition. Experimental results in rats].
PubMed:Differences in spontaneously reported hypersensitivity and serious adverse events for intravenous iron preparations: comparison of Europe and North America.
PubMed:An organic-inorganic hybrid nanostructure-functionalized electrode for electrochemical immunoassay of biomarker by using magnetic bionanolabels.
PubMed:Incorporation of Mg and Ca into nanostructured Fe2O3 improves Fe solubility in dilute acid and sensory characteristics in foods.
PubMed:ESI-MS quantitation of iron as its 4-(2-pyridylazo)resorcinol (PAR) complex: application to pharmaceutical tablets containing iron oxide pigment.
PubMed:Synthesis of patterned nanogold and mesoporous CoFe2O4 nanoparticle assemblies and their application in clinical immunoassays.
PubMed:Preparation and properties of a coated slow-release and water-retention biuret phosphoramide fertilizer with superabsorbent.
PubMed:MR signal characteristics of viable and apoptotic human mesenchymal stem cells in matrix-associated stem cell implants for treatment of osteoarthritis.
PubMed:Inorganic-organic elastomer nanocomposites from integrated ellipsoidal silica-coated hematite nanoparticles as crosslinking agents.
PubMed:Magnetic resonance susceptibility based perfusion imaging of tumors using iron oxide nanoparticles.
PubMed:Development and optimization of iron- and zinc-containing nanostructured powders for nutritional applications.
PubMed:Gum arabic-coated magnetic nanoparticles for potential application in simultaneous magnetic targeting and tumor imaging.
PubMed:Magnetic hydrogels with supracolloidal structures prepared by suspension polymerization stabilized by Fe(2)O(3) nanoparticles.
PubMed:Solid phase extraction-spectrophotometric determination of salicylic acid using magnetic iron oxide nanoparticles as extractor.
PubMed:Protein association and dissociation regulated by ferric ion: a novel pathway for oxidative deposition of iron in pea seed ferritin.
PubMed:Effect of organic matter and iron oxides on quaternary herbicide sorption-desorption in vineyard-devoted soils.
PubMed:Fe3O4/SiO2-g-PSStNa polymer nanocomposite microspheres (PNCMs) from a surface-initiated atom transfer radical polymerization (SI-ATRP) approach for pectinase immobilization.
PubMed:Detection of pathogenic E. coli O157:H7 by a hybrid microfluidic SPR and molecular imaging cytometry device.
PubMed:Use of an amorphous iron oxide hydrated as catalyst for hydrogen peroxide oxidation of ferulic acid in water.
PubMed:[Administration of iron-containing drugs in non-dialyzed patients with chronic kidney disease].
PubMed:Intravenous iron.
PubMed:Assessment of arsenic contamination of groundwater and health problems in Bangladesh.
PubMed:Vailulu'u Seamount, Samoa: Life and death on an active submarine volcano.
PubMed:Response of mouse skin to tattooing: use of SKH-1 mice as a surrogate model for human tattooing.
PubMed:MR techniques for in vivo molecular and cellular imaging.
PubMed:Sorption and degradation of azimsulfuron on iron(III)-rich soil colloids.
PubMed:Personal exposure to ultrafine particles in the workplace: exploring sampling techniques and strategies.
PubMed:Chronic use of sodium ferric gluconate complex in hemodialysis patients: safety of higher-dose (> or =250 mg) administration.
PubMed:Parenteral iron therapy in obstetrics: 8 years experience with iron-sucrose complex.
PubMed:Formation of bound residues of 8-hydroxybentazon by oxidoreductive catalysts in soil.
PubMed:Amelioration of nickel phytotoxicity in muck and mineral soils.
PubMed:The comparative safety of intravenous iron dextran, iron saccharate, and sodium ferric gluconate.
PubMed:Colorimetric determination of selenium in mineral premixes .
PubMed:Effects of iron salts in sucrose on dental caries and plaque in rats.
PubMed:A critical appraisal of intratracheal instillation of benzo[a]pyrene to Syrian golden hamsters as a model in respiratory tract carcinogenesis.
PubMed:Benzo[a]pyrene-induced respiratory tract cancer in hamsters fed a diet rich in beta-carotene. A histomorphological study.
PubMed:[Determination of iron sesquioxide in food].
PubMed:Feed consumption and food passage time in mink (Mustela vison) and European ferrets (Mustela putorius furo).
PubMed:Interaction of vitamin C and iron.
Food colourant esp. for sausage casings and pet food (dogs, cats). Also used as a constit. of paper/board food packaging materials
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