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CYCLOHEPTANE

CYCLOHEPTANE
CYCLOHEPTANE structure
CAS No.
291-64-5
Chemical Name:
CYCLOHEPTANE
Synonyms
NSC 5164;suberane;Cycloheptan;CYCLOHEPTANE;HEPTAMETHYLENE;Cycloheptane,99%;Cycloheptanecarboxylic;CYCLOHEPTANE 97% (GC)
CBNumber:
CB7323568
Molecular Formula:
C7H14
Formula Weight:
98.19
MOL File:
291-64-5.mol

CYCLOHEPTANE Properties

Melting point:
-12 °C
Boiling point:
118.5 °C(lit.)
Density 
0.811 g/mL at 25 °C(lit.)
vapor pressure 
44 mm Hg ( 37.7 °C)
refractive index 
n20/D 1.445(lit.)
Flash point:
43 °F
storage temp. 
Flammables area
solubility 
Soluble in alcohol, benzene, chloroform, ether, and ligroin (Weast, 1986)
form 
Liquid
color 
Clear colorless
Water Solubility 
Soluble in water 30 mg @ 20°C.
BRN 
1900279
Henry's Law Constant
9.35 x 10-2 atm?m3/mol(approximate - calculated from water solubility and vapor pressure)
Exposure limits
Organic synthesis; gasoline component.
CAS DataBase Reference
291-64-5(CAS DataBase Reference)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
  • NFPA
Hazard Codes  F,Xn
Risk Statements  11-65
Safety Statements  16-23-24/25-62
RIDADR  UN 2241 3/PG 2
WGK Germany  2
RTECS  GU3140000
HazardClass  3
PackingGroup  II
HS Code  29021900
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P331 Do NOT induce vomiting.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P370+P378 In case of fire: Use … for extinction.
P405 Store locked up.
P403+P235 Store in a well-ventilated place. Keep cool.
P501 Dispose of contents/container to..…

NFPA 704

Diamond Hazard Value Description
3
0
Health  
Flammability   3 Liquids and solids (including finely divided suspended solids) that can be ignited under almost all ambient temperature conditions . Liquids having a flash point below 22.8 °C (73 °F) and having a boiling point at or above 37.8 °C (100 °F) or having a flash point between 22.8 and 37.8 °C (73 and 100 °F). (e.g. gasoline, acetone)
Instability   0 Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2)
Special  

(NFPA, 2010)

CYCLOHEPTANE price More Price(6)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich C98403 Cycloheptane 98% 291-64-5 5g $34.6 2018-11-13 Buy
Sigma-Aldrich C98403 Cycloheptane 98% 291-64-5 25g $109 2018-11-13 Buy
TCI Chemical C0465 Cycloheptane >98.0%(GC) 291-64-5 5mL $39 2018-11-22 Buy
TCI Chemical C0465 Cycloheptane >98.0%(GC) 291-64-5 25mL $116 2018-11-22 Buy
Alfa Aesar B22902 Cycloheptane, 99% 291-64-5 25g $96.3 2018-11-13 Buy

CYCLOHEPTANE Chemical Properties,Uses,Production

Chemical Properties

Clear colourless liquid

Physical properties

Clear, oily, flammable liquid with a faint odor resembling cyclohexane, cyclooctane, or gasoline.

General Description

A colorless oily liquid. Insoluble in water and less dense than water. Flash point 60°F. Vapors heavier than air. Inhalation of high concentrations may have a narcotic effect. Used to make other chemicals.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

Saturated aliphatic hydrocarbons, such as CYCLOHEPTANE, 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.

Health Hazard

May be harmful by inhalation, ingestion, or skin absorption. May cause eye and skin irritation.

Fire Hazard

Special Hazards of Combustion Products: Vapor may travel considerable distance to a source of ignition and flash back. Container explosion may occur under fire conditions. Forms explosive mixures in air.

Environmental Fate

Biological. Cycloheptane may be oxidized by microbes to cycloheptanol, which may oxidize to give cycloheptanone (Dugan, 1972).
Photolytic. The following rate constants were reported for the reaction of cycloheptane and OH radicals in the atmosphere: 1.31 x 10-12 cm3/molecule?sec at 298 K (Atkinson, 1985) and 1.25 x 10-11 cm3/molecule?sec (Atkinson, 1990).
Chemical/Physical. Cycloheptane will not hydrolyze because it has no hydrolyzable functional group.

Purification Methods

Distil it from sodium using a Vigreux column (p 11), under nitrogen. It is highly flammable. [Bocian & Strauss J Am Chem Soc 99 2866 1977, Ruzicka et al. Helv Chim Acta 28 395 1945, Beilstein 5 H 92, 5 IV 92.]

CYCLOHEPTANE Preparation Products And Raw materials

Raw materials

Preparation Products


CYCLOHEPTANE Suppliers

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CYCLOHEPTANE Spectrum


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