Skip directly to local search Skip directly to A to Z list Skip directly to navigation Skip directly to site content Skip directly to page options
CDC Home

Enter search terms separated by spaces.

Cyclopentane

Synonyms & Trade Names
Pentamethylene
CAS No.
287-92-3
RTECS No.
GY2390000
DOT ID & Guide
1146 128
Formula
C5H10
Conversion
1 ppm = 2.87 mg/m3
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: TWA 600 ppm (1720 mg/m3)
OSHA PEL
: none
Measurement Methods

None available
See: NMAM or OSHA Methods
Physical Description
Colorless liquid with a mild, sweet odor.
MW:
70.2
BP:
121°F
FRZ:
-137°F
Sol:
Insoluble
VP(88°F): 400 mmHg
IP:
10.52 eV
Sp.Gr:
0.75
Fl.P:
-35°F
UEL:
8.7%
LEL:
1.1%
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities
Strong oxidizers (e.g., chlorine, bromine, fluorine)
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, nose, throat; dizziness, euphoria, incoordination, nausea, vomiting, stupor; dry, cracking skin
Target Organs
Eyes, skin, respiratory system, central nervous system
Personal Protection/Sanitation
(See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: Daily
Remove: When wet (flammable)
Change: No recommendation
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap wash
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 0353
 
Contact Us:
USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Road Atlanta, GA 30329-4027, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO