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Arachidic acid

Name: Arachidic acid
Brand: ALDRICH

synthetic, ≥99.0% (GC)

Synonym(s):

Arachic acid, Arachidinic acid, Eicosanoic acid, Icosanoic acid, NSC 93983

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About This Item

Linear Formula:

CH₃(CH₂)₁₈COOH

CAS Number:

506-30-9

Molecular Weight:

312.53

UNSPSC Code:

12352100

NACRES:

NA.22

PubChem Substance ID:

57646858

EC Number:

208-031-3

Beilstein/REAXYS Number:

1788211

MDL number:

MFCD00002755

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Properties

Quality Segment

200

assay

≥99.0% (GC)

form

solid

quality

synthetic

mp

74-76 °C (lit.)

solubility

H₂O: insoluble, benzene: freely soluble, chloroform: freely soluble, cold water: very slightly soluble, diethyl ether: freely soluble, petroleum ether: freely soluble

functional group

carboxylic acid

SMILES string

CCCCCCCCCCCCCCCCCCCC(O)=O

InChI

1S/C20H40O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h2-19H2,1H3,(H,21,22)

InChI key

VKOBVWXKNCXXDE-UHFFFAOYSA-N

Description

Application

Arachidic acid was used to study the growth of cadmium sulfide crystals under arachidic acid monolayers. It may be used to compose Langmuir-Blodgett (LB) films.

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This Item	A3631	364525	97006
Sigma-Aldrich 10930 Arachidic acid	Sigma-Aldrich A3631 Arachidic acid	Sigma-Aldrich 364525 Oleic acid	Supelco 97006 Arachidic acid-1,2,3,4-¹³C₄
assay ≥99.0% (GC)	assay ≥99%	assay 90%	assay ≥98.0% (GC)
functional group carboxylic acid	functional group carboxylic acid	functional group oleic acid	functional group -
form solid	form crystalline powder	form liquid, semisolid, waxy solid	form -
solubility H₂O: insoluble, chloroform: freely soluble, diethyl ether: freely soluble, benzene: freely soluble, petroleum ether: freely soluble, cold water: very slightly soluble	solubility -	solubility alcohol: soluble, benzene: soluble, chloroform: soluble, diethyl ether: soluble, water: insoluble	solubility -
mp 74-76 °C (lit.)	mp 74-76 °C (lit.)	mp 13-14 °C (lit.)	mp -
quality synthetic	quality -	quality -	quality -

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pictograms

GHS07

signalword

Warning

hcodes

H315,H319

pcodes

P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

nwg

flash_point_f

230.0 °F - closed cup

flash_point_c

110 °C - closed cup

ppe

Eyeshields, Gloves, type N95 (US)

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