Cyclopentane From Wanfeng Industrial

Cyclopentane From Wanfeng Industrial

Basic Info Model NO.: Cyclopentane Molecular Weight: 70.08 Boiling Point (oC): 49.3 Critical Temperature (oC): 238.6 Water Content (Ppm): <=30 Cyclopentane (Wt%): >=98 Sulfur Content (Ppm: <=1 Isopentane (Wt%): <=0.2 Heavier Component: <=1 Density (at 20oC): 0.745 Trademark:...

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Product Details

     Cyclopentane From Wanfeng Industrial

Cyclopentane Properties

  • Melting point:-94 °C

  • Boiling point:50 °C(lit.)

  • Density 0.751 g/mL at 25 °C(lit.)

  • vapor density ~2 (vs air)

  • vapor pressure 18.93 psi ( 55 °C)

  • refractive index n20/D 1.405(lit.)

  • Flash point:−35 °F

  • storage temp.  Flammables area

  • solubility  0.156g/l insoluble

  • form  Powder

  • color  White

  • explosive limit  1.5-8.7%(V)

  • Water Solubility  Miscible with ethanol, ether and acetone. Slightly miscible with water.

  • Merck  14,2741

  • BRN   1900195

  • Stability:  Stable. Highly flammable. Note low flash point and wide explosion limits. Incompatible with strong oxidizing agents. Floats on water, so water is of limited value in putting out fires involving this material.

Dangerous situation

Ingestion and inhalation are moderately toxic. (2) Being flammable with greater risk of combustion. The allowable concentration in air is 600ppm (1720mg/m3) in the United States.

Harmful effects and symptoms of poisoning

Inhalation of high concentrations of cyclopentane can cause central nervous system inhibition, although its acute toxicity is low. Symptoms of acute exposure include excitement at first, followed by the emergence of balance disorders, and even stupor, coma. There are rarely cases of death due to respiratory failure. It has been reported that animals fed with this goods can get severe diarrhea, leading to heart, lung and liver vascular collapse and brain degeneration.

Protective measures

It can be used for improving the production equipment. Use skin protective creams or gloves to protect the skin.

Medical care

Upon regular physical examination, pay attention to the potential irritation effect of skin and respiratory tract as well as any complications of kidney and liver.

Transportation requirements

Grade I flammable liquid. Code of Hazard Regulations: 61013. The container shall be marked with a "flammable liquid" mark on transport.

Fire extinguishing agent

See “cyclohexane”.

Recommended waste disposal methods

Incineration;

Chemical properties

It appears as colorless liquid with a melting point of-93.9 °C, the boiling point of 49.26 ° C, the relative density of 0.7460 (20/4 ° C), the refractive index of 1.4068 and the flash point of-37 °C. It is miscible with alcohol, ether and other organic solvents, being not be easy to be dissolved in water.

Uses

(1)    It can be used as a solvent for solution polymerization of polyisoprene rubber and cellulose ether. It can be used as a substitute for Freon as insulation materials in refrigerators and freezers as well as foaming agents for other hard PU foams, and chromatographic analysis standards.
(2)    Used as a standard substance for chromatographic analysis, solvents, engine fuels, azeotropic distillation agents.

Production method

Cyclopentane is a component of the petroleum ether in the 30-60 °C boiling point range with the content being generally 5%-10%. Apply atmospheric distillation; at a 60: 1 reflux ratio and carry out at an 8m height tower; first distill out the isopentane and n-pentane; continue fractionation to obtain a cyclopentane with purity being over 98%. Cyclopentane can also be obtained through cyclopentanone reduction or cyclopentadiene catalytic hydrogenation.

Hazards & Safety Information

Category Flammable liquids
Toxicity grading: Low toxicity
Acute toxicity: oral-rat LD50: 11400 mg/kg; oral-mouse LD50: 12800 mg/kg
Hazardous property of explosives: being explosive upon mixed with air 
Flammability and dangerous situations: being flammable in case of fire, high temperature and oxidant with combustion releasing irritant smoke
Storage characteristics: Storehouse: ventilated, low temperature and dry; Store it with oxidant separately
Extinguishing agent: Dry powder, carbon dioxide, foam, 1211 extinguishing agent
Occupational standard: TWA 1720 mg/m3; STEL 2150 mg/kg

Chemical Properties

colourless liquid with a petrol-like smell

Definition

ChEBI: A cycloalkane that consists of five carbons each bonded with two hydrogens above and below the plane. The parent of the class of cyclopentanes.

General Description

A clear colorless liquid with a petroleum-like odor. Flash point of -35°F. Less dense than water and insoluble in water. Vapors are heavier than air.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

CYCLOPENTANE is incompatible with strong oxidizing agents such as chlorine, bromine, fluorine. .

Health Hazard

Inhalation causes dizziness, nausea, and vomiting; concentrated vapor may cause unconsciousness and collapse. Vapor causes slight smarting of eyes. Contact with liquid causes irritation of eyes and may irritate skin if allowed to remain. Ingestion causes irritation of stomach. Aspiration produces severe lung irritation and rapidly developing pulmonary edema; central nervous system excitement followed by depression.

Fire Hazard

Behavior in Fire: Containers may explode.

 




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