aluminum hydroxide hydrate
trihydroxyaluminum
 
Notes:
A compound with many biomedical applications: as a gastric antacid, an antiperspirant, in dentifrices, as an emulsifier, as an adjuvant in bacterins and vaccines, in water purification, etc. a compound with many biomedical applications: as a gastric antacid, an antiperspirant, in dentifrices, as an emulsifier, as an adjuvant in bacterins and vaccines, in water purification, etc. Used in foods as a buffer, neutralising agent or firming agent Aluminium hydroxide is an intermediate product in the Bayer process. In this process, bauxite is dissolved in hot sodium hydroxide solution, and insolubilities are filtered off. On cooling, aluminium hydroxide precipitates. The aluminium hydroxide is further calcined to give alumina, which may be smelted in the Hall-Héroult process in order to produce aluminium.
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    • Charkit Chemical Corporation
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      ALUMINUM HYDROXIDE 40-100 MICRON
      ALUMINUM HYDROXIDE LG PARTICLE
       
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aluminum trihydrate (Click)
CAS Number: 21645-51-2Picture of molecule
ECHA EINECS - REACH Pre-Reg: 244-492-7
FDA UNII: 5QB0T2IUN0
MDL: MFCD00149133
Molecular Weight: 81.02695860
Formula: Al H6 O3
NMR Predictor: Predict (works with chrome or firefox)
Category: substances for use only as components of adhesives for food packaging, transporting, or holding food
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
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 FDA/DG SANTE Petitions, Reviews, Notices:
184.1139 Aluminum hydroxide View-review
DG SANTE Food Contact Materials: aluminium hydroxide hydrate
FDA Mainterm: ALUMINUM HYDROXIDE
FDA Regulation:
FDA PART 175 -- INDIRECT FOOD ADDITIVES: ADHESIVES AND COMPONENTS OF COATINGS
Subpart C--Substances for Use as Components of Coatings
Sec. 175.300 Resinous and polymeric coatings.


FDA PART 176 -- INDIRECT FOOD ADDITIVES: PAPER AND PAPERBOARD COMPONENTS
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.


FDA PART 176 -- INDIRECT FOOD ADDITIVES: PAPER AND PAPERBOARD COMPONENTS
Subpart B--Substances for Use Only as Components of Paper and Paperboard
Sec. 176.210 Defoaming agents used in the manufacture of paper and paperboard.


FDA PART 177 -- INDIRECT FOOD ADDITIVES: POLYMERS
Subpart B--Substances for Use as Basic Components of Single and Repeated Use Food Contact
Sec. 177.1200 Cellophane.


FDA PART 177 -- INDIRECT FOOD ADDITIVES: POLYMERS
Subpart C--Substances for Use Only as Components of Articles Intended for Repeated Use
Sec. 177.2600 Rubber articles intended for repeated use.


FDA PART 178 -- INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS
Subpart D--Certain Adjuvants and Production Aids
Sec. 178.3297 Colorants for polymers.


FDA PART 182 -- SUBSTANCES GENERALLY RECOGNIZED AS SAFE
Subpart A--General Provisions
Sec. 182.90 Substances migrating to food from paper and paperboard products.


FDA PART 73 -- LISTING OF COLOR ADDITIVES EXEMPT FROM CERTIFICATION
Subpart B--Drugs
Sec. 73.1010 Alumina (dried aluminum hydroxide).
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Physical Properties:
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: No
Boiling Point: 100.00 °C. @ 760.00 mm Hg (est)
Vapor Pressure: 24.500000 mm/Hg @ 25.00 °C. (est)
Flash Point: 32.00 °F. TCC ( 0.00 °C. ) (est)
logP (o/w): -1.380 (est)
Soluble in:
 water, 1.673e+005 mg/L @ 25 °C (est)
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Organoleptic Properties:
  
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: emollients
humectants
opacifying agents
skin protecting agents
viscosity controlling agents
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Suppliers:
Aceto
Aluminum Hydroxide
American Elements
Aluminum Hydroxide 99%
Odor: characteristic
Use: Aluminum Hydroxide is a highly water insoluble crystalline Aluminum source for uses compatible with higher (basic) pH environments. Hydroxide, the OH- anion composed of an oxygen atom bonded to a hydrogen atom, is commonly present in nature and is one of the most widely studied molecules in physical chemistry. Hydroxide compounds have diverse properties and uses, from base catalysis to detection of carbon dioxide. In a watershed 2013 experiment, scientists at JILA (the Joint Institute for Laboratory Astrophysics) achieved evaporative cooling of compounds for the first time using hydroxide molecules, a discovery that may lead to new methods of controlling chemical reactions and could impact a range of disciplines, including atmospheric science and energy production technologies. Aluminum Hydroxide is generally immediately available in most volumes. Ultra high purity and high purity compositions improve both optical quality and usefulness as scientific standards. Nanoscale (See also Nanotechnology Information and Quantum Dots) elemental powders and suspensions, as alternative high surface area forms, may be considered. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards.
American International Chemical
Dried Aluminum Hydroxide Gel USP
Charkit Chemical
ALUMINUM HYDROXIDE 40-100 MICRON
Charkit Chemical
ALUMINUM HYDROXIDE LG PARTICLE
Penta International
ALUMINUM HYDROXIDE DRY GEL POWDER USP
Penta International
ALUMINUM HYDROXIDE GEL USP (NOT DRIED)
Sigma-Aldrich
For experimental / research use only.
Aluminum Hydroxide reagent grade
Strem Chemicals
For experimental / research use only.
Aluminum hydroxide, dried gel, 99%
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Safety Information:
European information :
Most important hazard(s):
Xi - Irritant
R 36 - Irritating to eyes.
S 02 - Keep out of the reach of children.
S 25 - Avoid contact with eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/39 - Wear suitable clothing and eye/face protection.
 
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
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-child TDLo  79000 mg/kg/2Y-I
BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY) MUSCULOSKELETAL: OSTEOMALACIA
Pediatrics. Vol. 71, Pg. 56, 1983.

oral-child TDLo  122000 mg/kg/4D
GASTROINTESTINAL: OTHER CHANGES
Journal of Pediatrics. Vol. 92, Pg. 592, 1978.

intraperitoneal-rat LDLo  150 mg/kg
Lancet. Vol. 1, Pg. 564, 1972.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: substances for use only as components of adhesives for food packaging, transporting, or holding food
Recommendation for aluminum hydroxide hydrate usage levels up to:
 not for fragrance use.
 
Recommendation for aluminum hydroxide hydrate flavor usage levels up to:
 not for flavor use.
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Safety References:
European Food Safety Authority (EFSA) reference(s):
Statement of EFSA on the Evaluation of a new study related to the bioavailability of aluminium in food
View page or View pdf
EPI System: View
ClinicalTrials.gov: search
Daily Med: search
NIOSH International Chemical Safety Cards: search
NLM Hazardous Substances Data Bank: Search
AIDS Citations: Search
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Env. Mutagen Info. Center: Search
NLM Developmental and Reproductive Toxicity: Search
EPA Substance Registry Services (TSCA): 21645-51-2
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 6328211
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: nwg
 aluminum trihydrate
Chemidplus: 0021645512
RTECS: 21645-51-2
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References:
 aluminum trihydrate
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 21645-51-2
Pubchem (cid): 6328211
Pubchem (sid): 134993750
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
FDA Everything Added to Food in the United States (EAFUS): View
CHEBI: View
KEGG (GenomeNet): C13391
HMDB (The Human Metabolome Database): Search
FooDB: FDB013295
Export Tariff Code: 2818.30.0000
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ChemSpider: View
Wikipedia: View
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Formulations/Preparations:
aluminum hydroxide gel is white, viscous suspension contains equiv of 3.6-4.4% aluminum oxide in form of aluminum hydroxide and hydrated oxide. may contain flavoring and sweetening agents... aluminum hydroxide, magnesium hydroxide and simethicone tablets differ from usp preparation by addition of antifoam agent simethicone. aluminum hydroxide and magnesium trisilicate oral suspension, and aluminum hydroxide gel and magnesium trisilicate tablets are available . some commercial names for pharmaceutical gel or dried gel preparations are: aldrox; alternagel; aludyal; amphojel; cremorin; pepsamar; uracid. so-called aluminum hydroxide is actually mixture of aluminum hydroxide and aluminum oxide hydrates and it usually contains some fixed carbon dioxide (ie, carbonate). preparations vary in neutralizing potency. antacid suspensions containing aluminum hydroxide: kudrox, mylanta, gelusil-ii, maalox tc,. from table maalox plus: tablets, 200 mg aluminum hydroxide; suspension, 225 mg aluminum hydroxide grade: technical, cp oral: capsules: 475 mg, alu-cap (3m); suspension: 320 mg5 ml, amphojel (with parabens and
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Potential Blenders and core components note
 
None Found
 
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Potential Uses:
 emollients 
 humectants 
 viscosity controlling agents 
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Occurrence (nature, food, other): note
 not found in nature
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Synonyms:
 alugelibye
hydrated aluminium oxide
 aluminium trihydrate
hydrated aluminum oxide
 aluminum trihydrate
 apyral
 boehmite
 c.i. 77002
 calmogastrin
 ci 77002
 dialume
 trihydroxyaluminium
 trihydroxyaluminum
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