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

sodium hydroxide
caustic soda

Sponsors

CAS Number: 1310-73-2Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:215-185-5
FDA UNII:55X04QC32I
Nikkaji Web:J44.032I
MDL:MFCD00003548
Molecular Weight:39.99693928
Formula:H Na O
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome or firefox)
Category:pH control agents, processing aids
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
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Google Scholar: with word "volatile"Search
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NCBI:Search
 FDA/DG SANTE Petitions, Reviews, Notices:
184.1763 Sodium hydroxide View-review
JECFA Food Additive: Sodium Hydroxide
GSFA Codex: Sodium hydroxide (524)
DG SANTE Food Additives:sodium hydroxide
DG SANTE Food Contact Materials:sodium hydroxide
FDA Mainterm: SODIUM HYDROXIDE
FDA Regulation:
FDA PART 155 -- CANNED VEGETABLES
Subpart B--Requirements for Specific Standardized Canned Vegetables
Sec. 155.191 Tomato concentrates.


FDA PART 155 -- CANNED VEGETABLES
Subpart B--Requirements for Specific Standardized Canned Vegetables
Sec. 155.194 Catsup.


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 F--Flavoring Agents and Related Substances
Sec. 172.560 Modified hop extract.


FDA PART 172 -- FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION
Subpart I--Multipurpose Additives
Sec. 172.814 Hydroxylated lecithin.


FDA PART 172 -- FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION
Subpart I--Multipurpose Additives
Sec. 172.892 Food starch-modified.


FDA PART 173 -- SECONDARY DIRECT FOOD ADDITIVES PERMITTED IN FOOD FOR HUMAN CONSUMPTION
Subpart D--Specific Usage Additives
Sec. 173.310 Boiler water additives.


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. 176.180 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. 184.1763 Sodium hydroxide.


FDA PART 73 -- LISTING OF COLOR ADDITIVES EXEMPT FROM CERTIFICATION
Subpart A--Foods
Sec. 73.85 Caramel.
 
Physical Properties:
Appearance:white pellet, flake, stick (est)
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Flash Point: 32.00 °F. TCC ( 0.00 °C. ) (est)
Soluble in:
 water, 1e+006 mg/L @ 25 °C (est)
 alcohol
 
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: buffering agents
denaturants
 
Suppliers:
Allan Chemical
Sodium Hydroxide Pellets
American Elements
Sodium Hydroxide, Anhydrous 99%
Odor: characteristic
Use: Sodium Hydroxide, Anhydrous 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.
American International Chemical, LLC.
Sodium Hydroxide Pellets ACS
APAC Chemical
Caustic Soda
Odor: characteristic
Use: Caustic Soda is used extensively as strong base in the industry, such as bleaching paper and/or cotton, manufacturing of detergents, neutralization of acids, and more.
Bristol Botanicals
Sodium Hydroxide
Charkit Chemical
SODIUM HYDROXIDE 30% (10N)
Charkit Chemical
SODIUM HYDROXIDE, 50%
Covalent Chemical
Caustic Soda (Flake/Pearl/Solid/Liquid)
ECSA Chemicals
Sodium Hydroxide
Company Profile
Graham Chemical
Caustic Soda Bead
Hebei Oukai Biotechnology
For experimental / research use only.
Caustic soda flake/pearls/solid
Kraft Chemical
Caustic Soda
Penta International
SODIUM HYDROXIDE 50% SOLUTION, Kosher
Penta International
SODIUM HYDROXIDE 5N AQUEOUS SOLUTION, Kosher
Penta International
SODIUM HYDROXIDE FLAKES, Kosher
Penta International
SODIUM HYDROXIDE PELLETS FCC, Kosher
Penta International
SODIUM HYDROXIDE PELLETS USP/ NF GRADE, Kosher
Sigma-Aldrich
For experimental / research use only.
Sodium Hydroxide BioXtra, ≥98% (acidimetric), pellets (anhydrous)
Silver Fern Chemical
Caustic Soda Beads and Flakes
Odor: characteristic
Use: Caustic Soda Beads are a very versatile product used in various applications from personal care, HI&I, oilfield, biodiesel, water treatment, textiles, soaps, and many more.
Silver Fern Chemical
Sodium Hydroxide Solution
Universal Preserv-A-Chem Inc.
SODIUM HYDROXIDE 10% SOLUTION
Universal Preserv-A-Chem Inc.
SODIUM HYDROXIDE 20% SOLUTION
Odor: characteristic
Use: Sodium hydroxide is a popular strong base used in industry. Sodium hydroxide is also used in the manufacture of sodium salts and detergents, pH regulation, and organic synthesis. It is used in the Bayer process of aluminium production. Sodium hydroxide is also widely used in pulping of wood for making paper or regenerated fibers. In a similar fashion, sodium hydroxide is used to digest tissues, such as in a process that was used with farm animals at one time. Sodium hydroxide is frequently used as an industrial cleaning agent where it is often called "caustic".
Universal Preserv-A-Chem Inc.
SODIUM HYDROXIDE 25% SOLUTION
Universal Preserv-A-Chem Inc.
SODIUM HYDROXIDE ACS PELLETS
Odor: characteristic
Use: One of its many characteristics is that it's a deliquescent alkali and absorbs carbon dioxide and moisture from the air. Used in many industries, most notably in the manufacture of pulp, paper, textiles, drinking water, detergents and as household drain cleaner.
Universal Preserv-A-Chem Inc.
SODIUM HYDROXIDE NF/FCC PELLET
Odor: characteristic
Use: One of its many characteristics is that it's a deliquescent alkali and absorbs carbon dioxide and moisture from the air. Food grade sodium hydroxide is used in the chemical washing and peeling of fruits and vegetables, softening of firm substances and as a thickening agent.
Universal Preserv-A-Chem Inc.
SODIUM HYDROXIDE REAGENT GRADE
Odor: characteristic
Use: Its chemical specifications are the de facto standards for chemicals used in many high-purity applications and typically designate the highest quality chemical available for laboratory use.
Zhong Ya Chemical
Caustic Soda Bead Tech Grade
 
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:
intraperitoneal-mouse LD50 40 mg/kg
Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. Vol. 257, Pg. 791, 1963.

oral-rabbit LDLo 500 mg/kg
Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 184, Pg. 587, 1937.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category: pH control agents, processing aids
Recommendation for sodium hydroxide usage levels up to:
 not for fragrance use.
 
Recommendation for sodium hydroxide flavor usage levels up to:
 not for flavor use.
 
Safety References:
European Food Safety Authority (EFSA) reference(s):
Scientific Opinion on the safety and efficacy of sodium hydroxide for dogs, cats and ornamental fish
View page or View pdf
EPI System: View
ECHA (ESR):View
ClinicalTrials.gov:search
Daily Med:search
NIOSH International Chemical Safety Cards:search
NIOSH Pocket Guide:search
NLM Hazardous Substances Data Bank:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA GENetic TOXicology:Search
Env. Mutagen Info. Center:Search
NLM Developmental and Reproductive Toxicity:Search
EPA Substance Registry Services (TSCA):1310-73-2
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :14798
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:1
sodium hydroxide
Chemidplus:0001310732
EPA/NOAA CAMEO:hazardous materials
RTECS:1310-73-2
 
References:
 sodium hydroxide
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:1310-73-2
Pubchem (cid):14798
Pubchem (sid):134979985
 
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):C12569
HMDB (The Human Metabolome Database):Search
FooDB:FDB015399
Haz-Map:View
Household Products:Search
ChemSpider:View
Wikipedia:View
RSC Learn Chemistry:View
Formulations/Preparations:
•solid sodium hydroxide is supplied in the form of flakes, prills, cast blocks, and less commonly as tablets, briquettes, or granules. •grades: commercial; ground; flake; beads; food chemical codex grade; granulated (60% and 76% na2o); rayon (low in iron, copper, and manganese); purified by alcohol (sticks, lumps, and drops); reagent; highest purity: cp, usp. •when kept in tight containers, the usual grades contain 97-98% sodium hydroxide. •anhydrous (rayon grade) 99.0% minimum; rayon grade: 50% liquid; regular grade: 50% liquid, 47.7-51% purity. •drano crystals contain 54.2% sodium hydroxide; clinitest tablets contain 232.5 mg sodium hydroxide from table •mr. clean multi-surfaces antibacterial (the procter & gamble co.), sodium hydroxide 0.34%. •ultra mr. clean (the procter & gamble co.), sodium hydroxide 0.46%. •ph 12.6 (western pacific pulp & paper), sodium hydroxide 0.18%.
 
Potential Blenders and core components note
None Found
 
Potential Uses:
 buffering agents
 denaturants
 
Occurrence (nature, food, other):note
 not found in nature
 
Synonyms:
white caustic
 caustic soda
 caustic soda bead tech grade
 lewis-red devil lye
 soda lye
 sodium hydrate
 sodium hydroxide (Na(OH))
 sodium hydroxide pellets ACS
 sodium hydroxide pellets FCC
 sodium hydroxide pellets NF FCC
 
 
Notes:
Used in food processing as a pH control agent, washing/surface removal agent, clarifying/flocculating agent, oxidising/reducing agent, flavour and flavour modifier, sanitising/fumigating agent, appearance control agent for colours and colour modifiers
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