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Merck

70340

Naphthenic acid

technical

Synonym(s):

Acidol (petroleum by-product), Sunaptic B

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About This Item

CAS Number:
UNSPSC Code:
12352100
NACRES:
NA.22
EC Number:
215-662-8
MDL number:
Form:
liquid
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SMILES string

OC(=O)CCC1CC(CC1)CC

InChI key

WVRFSLWCFASCIS-UHFFFAOYSA-N

InChI

1S/C10H18O2/c1-2-8-3-4-9(7-8)5-6-10(11)12/h8-9H,2-7H2,1H3,(H,11,12)

grade

technical

form

liquid

acid value

~215

density

0.92 g/mL at 20 °C (lit.)

Quality Level

Application

Naphthenic acid is commonly used in the synthesis of useful metal naphthenates such as copper naphthenate, a wood preservative; titanium naphthenate, a precursor for the preparation of titanium oxide thin films and a rare earth naphthenate, a lubricant oil additive. It can also be in the synthesis of biodegradable naphthenic acid ionic liquids.

Analysis Note

petroleum product, techn. mixture of alkylated cyclopentane carboxic acids

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

213.8 °F - closed cup

flash_point_c

101 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter


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Navdeep S Toor et al.
Environmental toxicology and chemistry, 32(10), 2207-2216 (2013-06-05)
The toxicity of oil sands process-affected waters (OSPW) from the Athabasca Oil Sands (AOS) in northern Alberta, Canada, is related to a relatively persistent group of dissolved organic acids known as naphthenic acids (NAs). Naphthenic acids are a complex mixture
Steven D Melvin et al.
Environmental pollution (Barking, Essex : 1987), 177, 22-27 (2013-03-08)
Naphthenic acids (NA) are used in a variety of commercial and industrial applications, and are primary toxic components of oil sands wastewater. We investigated developmental and metabolic responses of tadpoles exposed to sub-lethal concentrations of a commercial NA blend throughout
Hideo Kawaguchi et al.
Water research, 46(17), 5566-5574 (2012-08-21)
The in situ oil sands production method called steam-assisted gravity drainage (SAGD) reuses process wastewater following treatment. However, the treatment and reuse processes concentrate contaminants in the process water. To determine the concentration and dynamics of inorganic and organic contaminants
Teresa Misiti et al.
Water research, 47(1), 406-418 (2012-11-09)
Naphthenic acids (NAs) are a complex group of alkyl-substituted acyclic, monocyclic and polycyclic carboxylic acids present in crude oil, oil sands process water and tailings ponds, as well as in refinery wastewater. Bioassays were performed to investigate the biotransformation potential
Steven D Melvin et al.
Environmental pollution (Barking, Essex : 1987), 167, 178-183 (2012-05-12)
Naphthenic acids (NA) have been identified as harmful environmental contaminants that influence survival, growth and development of wildlife. Amphibian larvae are particularly susceptible to waterborne contaminants, but little information exists regarding exposure of amphibian embryos or tadpoles to NA. Our

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