dodecylbenzene sulfonic acid
dodecylbenzenesulphonic acid
The Na salt is likely to be a minor component of sodium laurybenzenesulfonate used as a detergent in food processing. See CPZ38-G and CPZ42-D
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      Dodecylbenzensulfonic Acid
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2-dodecylbenzenesulfonic acid (Click)
CAS Number: 27176-87-0Picture of molecule
Other: 106602-89-5
ECHA EINECS - REACH Pre-Reg: 248-289-4
Nikkaji Web: J181.022G
MDL: MFCD00066677
XlogP3-AA: 6.90 (est)
Molecular Weight: 326.49970000
Formula: C18 H30 O3 S
NMR Predictor: Predict (works with chrome or firefox)
Category: surfactant
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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DG SANTE Food Contact Materials: dodecylbenzenesulphonic acid
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Physical Properties:
Appearance: colorless liquid (est)
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: No
Flash Point: 32.00 °F. TCC ( 0.00 °C. ) (est)
logP (o/w): 6.780 (est)
Soluble in:
 water, 0.7032 mg/L @ 25 °C (est)
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Organoleptic Properties:
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: cleansing agents
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ECSA Chemicals
Dodecylbenzensulfonic Acid
Company Profile
Kao Corporation
Odor: characteristic
Use: Industrial detergent. Emulsifier for emulsion polymerization. Base for laundry detergent.
Kao Corporation
Odor: characteristic
Use: Primary surfactant. Acid form. Wetting agent and high foaming detergent.
Sigma-Aldrich: Aldrich
For experimental / research use only.
Dodecylbenzenesulfonic acid solution 70 wt. % in isopropanol
SysKem Chemie
Dodecyl Benzene Sulphonic Acid
Universal Preserv-A-Chem Inc.
Odor: characteristic
Use: Used in a variety of oil field functions and applications such as a wetting agent, paraffin inhibitor, dispersant, foamer, emulsion breaker, cleaner/detergent and acidizing agent.
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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:
oral-rat LD50  650 mg/kg
Archives of Toxicology. Vol. 32, Pg. 245, 1974.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: surfactant
Recommendation for dodecylbenzene sulfonic acid usage levels up to:
 not for fragrance use.
Recommendation for dodecylbenzene sulfonic acid flavor usage levels up to:
 not for flavor use.
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Safety References:
EPI System: View
Daily Med: search
NIOSH International Chemical Safety Cards: search
NLM Hazardous Substances Data Bank: Search
Cancer Citations: Search
Toxicology Citations: Search
Env. Mutagen Info. Center: Search
EPA Substance Registry Services (TSCA): 27176-87-0
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 25457
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 2
 2-dodecylbenzenesulfonic acid
Chemidplus: 0027176870
EPA/NOAA CAMEO: hazardous materials
RTECS: 27176-87-0
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 2-dodecylbenzenesulfonic acid
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 27176-87-0
Pubchem (cid): 25457
Pubchem (sid): 134996990
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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
HMDB (The Human Metabolome Database): HMDB31031
FooDB: FDB003025
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ChemSpider: View
•grades of purity: 95% to 97.5% •grades: industrial, 98% active, free acid and salt •nacconol 98sa •nansa ssa •nansa 1042p •richonic acid b •sulframin acid 1298 •bio-soft s 100 •calsoft las 99 •dobanic acid jn •dobanic acid 83 •marlon as 3 •e 7256 •elfan wa sulphonic acid •alkasurf la-acid •carsosulf ul-100 •conco aas-98 •cycloryl absa •reworyl sulfonic acid k •rueterg sulfonic acid •witco 1298 sulfonic acid
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Potential Blenders and core components note
None Found
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Potential Uses:
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Occurrence (nature, food, other): note
 not found in nature
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 benzenesulfonic acid, dodecyl ester
 benzenesulfonic acid, dodecyl-
 calsoft LAS 99
 dobanic acid 83
 dobanic acid JN
 dodecyl benzene sulfonic acid
 dodecylbenzenesulfonic acid
2-dodecylbenzenesulfonic acid
 dodecylbenzenesulfonic acid [NA2584] [Corrosive]
 dodecylbenzenesulphonic acid
 elfan WA sulphonic acid
 laurylbenzenesulfonic acid
 marlon AS 3
 nacconol 98SA
 nansa 1042P
 nansa SSA
 richonic acid B
 sulframin acid 1298
 ufacid K
 witco 1298 sulfonic acid
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PubMed: One-pot three-component synthesis of 3-hydroxy-5,5-dimethyl-2-[phenyl(phenylthio)methyl]cyclohex-2-enone derivatives under ultrasound.
PubMed: Self-assembly of resins and asphaltenes facilitates asphaltene dissolution by an organic acid.
PubMed: Effect of surfactants and manufacturing methods on the electrical and thermal conductivity of carbon nanotube/silicone composites.
PubMed: Preparation of conductive paper composites based on natural cellulosic fibers for packaging applications.
PubMed: Nanowires of silver-polyaniline nanocomposite synthesized via in situ polymerization and its novel functionality as an antibacterial agent.
PubMed: Directed assembly of BaFe12O19 particles and the formation of magnetically oriented films.
PubMed: Nanostructured growth patterns and chaotic oscillations in potential during electropolymerization of aniline in the presence of surfactants.
PubMed: Effect of surfactants on interfacial films and stability of water-in-oil emulsions stabilized by asphaltenes.
PubMed: Impact of surfactants on pretreatment of corn stover.
PubMed: Modeling adsorption processes of poly-p-phenylenevinylene precursor and sodium acid dodecylbenzenesulfonate onto layer-by-layer films using a Langmuir-type metastable equilibrium model.
PubMed: Architectural growth of cu nanoparticles through electrodeposition.
PubMed: Imaging new transient nanostructures using a microfluidic chip integrated with a controlled environment vitrification system for cryogenic transmission electron microscopy.
PubMed: Synchronous-scan fluorescence as a selective detection method for sodium dodecylbenzene-sulfonate and pyrene in environmental samples.
PubMed: Effectiveness of commercial disinfectants for inactivating hepatitis A virus on agri-food surfaces.
PubMed: Assessment of relative accuracy in the determination of organic matter concentrations in aquatic systems.
PubMed: Efficacy of two acidified chlorite postmilking teat disinfectants with sodium dodecylbenzene sulfonic acid on prevention of contagious mastitis using an experimental challenge protocol.
PubMed: [The transferability of acetochlor and butachlor in soil].
PubMed: Quantitative structure-activity relationship (QSAR) analysis of surfactants influencing attachment of a Mycobacterium sp. to cellulose acetate and aromatic polyamide reverse osmosis membranes.
PubMed: In vitro germicidal activity of teat dips against Nocardia asteroides and other udder pathogens.
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