ChemicalBook CAS DataBase List 1120-21-4

1120-21-4

Name	n-Hendecane
CAS	1120-21-4
EINECS(EC#)	214-300-6
Molecular Formula	C11H24
MDL Number	MFCD00008959
Molecular Weight	156.31
MOL File	1120-21-4.mol

Chemical Properties

Appearance	colourless liquid
Melting point	-26 °C (lit.)
Boiling point	196 °C (lit.)
density	0.74 g/mL at 25 °C(lit.)
vapor density	5.4 (vs air)
vapor pressure	<0.4 mm Hg ( 20 °C)
refractive index	n20/D 1.417(lit.)
Fp	140 °F
storage temp.	Store below +30°C.
form	Liquid
color	Colorless
Specific Gravity	0.7402
explosive limit	0.6-6.5%(V)
Odor Threshold	0.62ppm
Water Solubility	IMMISCIBLE
BRN	1697099
Dielectric constant	2.0（20℃）
InChIKey	RSJKGSCJYJTIGS-UHFFFAOYSA-N
LogP	6.312 (est)
Uses	Petroleum research, organic synthesis, distillation chaser. less more
CAS DataBase Reference	1120-21-4(CAS DataBase Reference)
NIST Chemistry Reference	Undecane(1120-21-4)
EPA Substance Registry System	1120-21-4(EPA Substance)

Safety Data

Hazard Codes	Xn
Risk Statements	R36/37/38:Irritating to eyes, respiratory system and skin . R65:Harmful: May cause lung damage if swallowed. less more
Safety Statements	S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S36:Wear suitable protective clothing . S24/25:Avoid contact with skin and eyes . less more
RIDADR	UN 2330 3/PG 3
WGK Germany	3
RTECS	YQ1525000
Autoignition Temperature	220 °C
TSCA	Yes
HazardClass	3
PackingGroup	III
HS Code	29011090
Safety Profile	Moderately toxic by intravenous route. Flammable liquid when exposed to heat, sparks, flame, or oxidizers.To fight fire, use foam, mist, dry chemical. Emitted from modern buildmg materials (CENEAR 69,22,91). When heated to decomposition it emits acrid smoke and irritating fumes. See also ALKANES. less more
Hazardous Substances Data	1120-21-4(Hazardous Substances Data)
Toxicity	mouse,LD50,intravenous,517mg/kg (517mg/kg),Journal of Pharmaceutical Sciences. Vol. 67, Pg. 566, 1978. less more

Raw materials And Preparation Products

Hazard Information

General Description

A colorless liquid. Insoluble in water and less dense than water. Flash point 130°F. Used to make other chemicals.

Reactivity Profile

Saturated aliphatic hydrocarbons, such as UNDECANE(1120-21-4), may be incompatible with strong oxidizing agents like nitric acid. Charring of the hydrocarbon may occur followed by ignition of unreacted hydrocarbon and other nearby combustibles. In other settings, aliphatic saturated hydrocarbons are mostly unreactive. They are not affected by aqueous solutions of acids, alkalis, most oxidizing agents, and most reducing agents.

Air & Water Reactions

Flammable. Insoluble in water.

Health Hazard

Inhalation or contact with material may irritate or burn skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.

Chemical Properties

colourless liquid.

Definition

ChEBI: Undecane is a straight-chain alkane with 11 carbon atoms.

Production Methods

Undecane is obtained from the refining of petroleum. Paraffins are isolated by selective adsorption followed by fractional distillation to produce the desired mix of nparaffins (63).

Synthesis Reference(s)

Journal of the American Chemical Society, 95, p. 6131, 1973 DOI: 10.1021/ja00799a058
The Journal of Organic Chemistry, 50, p. 3082, 1985

Carcinogenicity

Undecane (25 mg) and benzo[a] pyrene (B[a]P) (5 mg) were applied to the skin of female ICR/ Ha Swiss mice for 3/week for 440 days, inducing papillomas in 41 of 50 animals. B[a]P alone induced tumors in 12 of 50 animals in the same time, while undecane alone did not produce tumors.

Material Safety Data Sheet(MSDS)

Spectrum Detail

Well-known Reagent Company Product Information

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