ChemicalBook CAS DataBase List 506-30-9

506-30-9

Name	Eicosanoic acid
CAS	506-30-9
EINECS(EC#)	208-031-3
Molecular Formula	C20H40O2
MDL Number	MFCD00002755
Molecular Weight	312.53
MOL File	506-30-9.mol

Chemical Properties

Appearance	white glistening powder or flakes
Melting point	74-76 °C(lit.)
Boiling point	328 °C
density	d4100 0.8240
vapor pressure	0Pa at 25℃
refractive index	nD100 1.4250
Fp	110 °C
storage temp.	−20°C
solubility	chloroform: 50 mg/mL, clear, colorless
form	Glistening Powder or Flakes
pka	4.78±0.10(Predicted)
color	White
Water Solubility	practically insoluble
Specific Heat Capacity	Cp(crystal):1.74415J/(g·K),at 25℃
Merck	14,764
BRN	1788211
Henry's Law Constant	1.7×10^-1 mol/(m³Pa) at 25℃, Abraham (2003)
Cosmetics Ingredients Functions	SURFACTANT - EMULSIFYING SURFACTANT - CLEANSING CLEANSING OPACIFYING
Cosmetic Ingredient Review (CIR)	Arachidic acid (506-30-9)
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)
InChIKey	VKOBVWXKNCXXDE-UHFFFAOYSA-N
SMILES	CCCCCCCCCCCCCCCCCCCC(O)=O
LogP	1.571 at 33℃
CAS DataBase Reference	506-30-9(CAS DataBase Reference)
NIST Chemistry Reference	Eicosanoic acid(506-30-9)
EPA Substance Registry System	506-30-9(EPA Substance)

Safety Data

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319-H335
Precautionary statements	P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes	Xi,Xn
Risk Statements	R36/37/38:Irritating to eyes, respiratory system and skin . R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . less more
Safety Statements	S24/25:Avoid contact with skin and eyes . S36:Wear suitable protective clothing . S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . less more
WGK Germany	-
RTECS	JX3780000
TSCA	Yes
REACH Registrations	Inactive
HazardClass	IRRITANT
HS Code	29159000
Storage Class	11 - Combustible Solids
Hazard Classifications	Eye Irrit. 2 Skin Irrit. 2

Hazard Information

Chemical Properties

ARACHIDIC ACID is also known as eicosanoic acid, formula CH3(CH2)18COOH. A widely distributed, but minor, component of the fats of certain edible vegetable oils. Shining, white crystalline leaflets; soluble in ether, slightly soluble in water. Decomposes at 328 C. Commercial product derived from groundnut (peanut) oil. Used in organic synthesis, lubricating greases, waxes, and plastics. Source of arachidyl alcohol.

Chemical Properties

white glistening powder or flakes

Occurrence

Arachidic acid is a saturated long-chain fatty acid and a minor constituent of peanut oil, coconut oil and corn oil.

Uses

Arachidic acid is a saturated fatty acid and a minor constituent of peanut oil, coconut oil and corn oil. Arachidic acid is used for the production of detergents, photographic materials and lubricants .

Definition

ChEBI: A C20 striaght-chain saturated fatty acid which forms a minor constituent of peanut (L. arachis) and corn oils. Used as an organic thin film in the production of liquid crystals for a wide variety of technical applications

Preparation

Eicosanoic acid is produced by catalytic hydrogenation of arachidonic acid. Arachidonic acid is obtained from food or by desaturation and chain elongation of the plant-rich essential fatty acid, linoleic acid.

Reactions

It has the properties of fatty acids, can react with NaHCO3 to form salts, and with alcohols to form esters and so on.

Flammability and Explosibility

Nonflammable

Biochem/physiol Actions

Arachidic acid is a saturated fatty acid with a 20 carbon chain. Arachidic acid occurs naturally in fish and vegetable oils. Diets rich in saturated fats like arachidic acid are associated with increased levels of serum low density lipoproteins.

Purification Methods

Crystallise the C20 acid pKEst ~ from absolute EtOH. [Beilstein 2 IV 1276.]

Material Safety Data Sheet(MSDS)

Spectrum Detail

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