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potassium hydroxide
caustic potash

Supplier Sponsors

Name:potassium hydroxide
CAS Number: 1310-58-3Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:215-181-3
FDA UNII:WZH3C48M4T
Nikkaji Web:J43.933I
MDL:MFCD00003553
Molecular Weight:56.10547000
Formula:H K O
NMR Predictor:Predict (works with chrome or firefox)
Category:formulation aids, processing aids, stabilizers, thickeners, texturizers
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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 FDA/DG SANTE Petitions, Reviews, Notices:
184.1631 Potassium hydroxide View-review
JECFA Food Additive: Potassium Hydroxide
GSFA Codex: Potassium hydroxide (525)
DG SANTE Food Additives:potassium hydroxide
DG SANTE Food Contact Materials:potassium hydroxide
FDA Mainterm: POTASSIUM HYDROXIDE
FDA Regulation:
FDA PART 163 -- CACAO PRODUCTS
Subpart B--Requirements for Specific Standardized Cacao Products
Sec. 163.110 Cacao nibs.


FDA PART 163 -- CACAO PRODUCTS
Subpart B--Requirements for Specific Standardized Cacao Products
Sec. 163.111 Chocolate liquor.


FDA PART 163 -- CACAO PRODUCTS
Subpart B--Requirements for Specific Standardized Cacao Products
Sec. 163.112 Breakfast cocoa.


FDA PART 172 -- FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION
Subpart I--Multipurpose Additives
Sec. 172.841 Polydextrose.


FDA PART 175 -- INDIRECT FOOD ADDITIVES: ADHESIVES AND COMPONENTS OF COATINGS
Subpart C--Substances for Use as Components of Coatings
Sec. 175.210 Acrylate ester copolymer coating.


FDA PART 176 -- INDIRECT FOOD ADDITIVES: PAPER AND PAPERBOARD COMPONENTS
Subpart B--Substances for Use Only as Components of Paper and Paperboard
Sec. 176.180 Components of paper and paperboard in contact with dry food.


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. 177.1600 Polyethylene resins, carboxyl modified.


FDA PART 177 -- INDIRECT FOOD ADDITIVES: POLYMERS
Subpart C--Substances for Use Only as Components of Articles Intended for Repeated Use
Sec. 177.2800 Textiles and textile fibers.


FDA PART 184 -- DIRECT FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED AS SAFE
Subpart B--Listing of Specific Substances Affirmed as GRAS
Sec. 184.1631 Potassium hydroxide.


FDA PART 73 -- LISTING OF COLOR ADDITIVES EXEMPT FROM CERTIFICATION
Subpart A--Foods
Sec. 73.85 Caramel.
 
Physical Properties:
Appearance:white fused masses (est)
Assay: 85.00 to 100.00
Food Chemicals Codex Listed: No
Melting Point: 361.00 °C. @ 760.00 mm Hg
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, 1e+006 mg/L @ 25 °C (est)
 alcohol
 
Organoleptic Properties:
Substantivity:92 Hour(s)
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: buffering agents
 
Suppliers:
Allan Chemical
Potassium Hydroxide Pellets
American Elements
Potassium Hydroxide 99%
Odor: characteristic
Use: Potassium Hydroxide is generally immediately available in most volumes. High purity, submicron and nanopowder forms may be considered. 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. 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.
APAC Chemical
Potassium Hydroxide
Flavor: characteristic
Potassium Hydroxide, KOH, is an inorganic compound, and commonly known as caustic potash. It can be used in the production of potassium chemicals, such as potassium carbonate (K2CO3) and potassium phosphates. Other uses also include manufacturing soaps, detergents, grease, catalysts, dyes, alkaline-electrolytic batteries and more. In the agriculture industry, potassium hydroxide is also used as a source in production of fertilizer for crops that are sensitive toward chloride ions.
Charkit Chemical
POTASSIUM HYDROXIDE FLAKE 90%
Charkit Chemical
POTASSIUM HYDROXIDE FLAKE
Covalent Chemical
Potassium Hydroxide
ECSA Chemicals
Potassium Hydroxide
Company Profile
EMD Millipore
For experimental / research use only.
Potassium Hydroxide
Graham Chemical
Caustic Potash Flake
Kraft Chemical
Potassium Hydroxide
Krunal Group
Potassium Hydroxide (Caustic Potash/KOH)
Penta International
POTASSIUM HYDROXIDE PELLETS
Sigma-Aldrich
For experimental / research use only.
Potassium Hydroxide reagent grade, 90%, flakes
Silver Fern Chemical
KOH Flake (Potassium Hydroxide)
Odor: characteristic
Use: Potassium Hydroxide has a number of applications that include precursors to other potassium compounds, fuel and gas, cosmetics, food production, and various others.
Silver Fern Chemical
KOH Solution 45% (Potassium Hydroxide)
Strem Chemicals
For experimental / research use only.
Potassium hydroxide, pellets, 85+% (ACS)
Wedor Corporation
POTASSIUM HYDROXIDE
 
Safety Information:
 
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-rat LD50 273 mg/kg
Fundamental and Applied Toxicology. Vol. 8, Pg. 97, 1987.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category: formulation aids, processing aids, stabilizers, thickeners, texturizers
Recommendation for potassium hydroxide usage levels up to:
 not for fragrance use.
 
Recommendation for potassium hydroxide flavor usage levels up to:
 not for flavor use.
 
Safety References:
EPI System: View
ClinicalTrials.gov:search
Daily Med:search
NIOSH International Chemical Safety Cards:search
NIOSH Pocket Guide:search
NLM Hazardous Substances Data Bank:Search
Chemical Carcinogenesis Research Information System:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
Env. Mutagen Info. Center:Search
NLM Developmental and Reproductive Toxicity:Search
EPA Substance Registry Services (TSCA):1310-58-3
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :14797
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:1
potassium hydroxide
Chemidplus:0001310583
EPA/NOAA CAMEO:hazardous materials
RTECS:1310-58-3
 
References:
 potassium hydroxide
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:1310-58-3
Pubchem (cid):14797
Pubchem (sid):134979984
 
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
CHEMBL:View
KEGG (GenomeNet):C12568
HMDB (The Human Metabolome Database):Search
FooDB:FDB015411
Export Tariff Code:2815.20.0000
Haz-Map:View
Household Products:Search
ChemSpider:View
Wikipedia:View
RSC Learn Chemistry:View
Formulations/Preparations:
•grades: commercial; ground; flake; fused (88-92%); purified by alcohol (sticks, lumps & drops); reagent; highest purity; usp; liquid (45%); food chemicals codex. •available as 50%-rayon, 50%-commercial, 73%-commercial, and flake. •marketed as dehydrated solid (90-92% potassium hydroxide) and as a liquor (45-50% potassium hydroxide). •2 liquid grades sold: rayon and commercial. •potassium hydroxide contains not less than 85.0% of total alkali, calculated as potassium hydroxide & incl not more than 3.5% of potassium carbonate ...
 
Potential Blenders and core components note
None Found
 
Potential Uses:
 buffering agents
FRcivet
 
Occurrence (nature, food, other):note
 not found in nature
 
Synonyms:
 caustic potash
 potash lye
 potassium hydrate
 potassium hydroxide NF FCC pellets
 potassium hydroxide pellets
 
 
Notes:
Added to food as a pH control agent, processing aid, formulation aid, stabiliser or thickener
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