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undecane

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Origin: China

Cas No: 1120-21-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 1120-21-4 Formula: C11H24 Molecular Weight: 156.30800

Description

Undecane (also known as hendecane) is a liquid alkane hydrocarbon with the chemical formula CH3(CH2)9CH3. It is used as a mild sex attractant for various types of moths and cockroaches, and an alert signal for a variety of ants. It has 159 isomers.
Undecane may also be used as an internal standard in gas chromatography when working with other hydrocarbons. Since the boiling point of undecane (196°C) is well known, it may be used as a comparison for retention times in a gas chromatograph for molecules whose structure has been freshly elucidated. For example, if one is working with a 50m crosslinked methyl silicone capillary column with an oven temperature increasing slowly, beginning around 60°C, an 11-carbon molecule like undecane may be used as an internal standard to be compared with the retention times of other 10-, 11-, or 12- carbon molecules, depending on their structures.

Basic Info

Chemical Name	undecane
Synonyms	n-Hendecane; n-Undecane,Hendecane; Undecane;
CAS No.	1120-21-4
Molecular Formula	C11H24
Molecular Weight	156.30800
PSA	0.00000
LogP	4.53710

Properties

Appearance & Physical State	colourless liquid
Density	0.74
Boiling Point	196ºC
Melting Point	-26ºC
Flash Point	60ºC
Refractive Index	1.416-1.418
Water Solubility	IMMISCIBLE
Storage Condition	Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Density	5.4 (vs air)
Vapor Pressure	<0.4 mm Hg ( 20 °C)

Safety Info

RTECS	YQ1525000
Hazard Class	3
Safety Statements	S24/25
HS Code	29011090
Packing Group	III
WGK Germany	3
RIDADR	UN 2330
Risk Statements	R36/37/38
Hazard Codes	Xn
Symbol	GHS08
Caution Statement	P301 + P310; P331
Supplemental Hazard Statements	Repeated exposure may cause skin dryness or cracking.
Hazard Declaration	H304
Signal Word	Danger