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.

Hexachlorobutadiene

Synonyms & Trade Names
HCBD; Hexachloro-1,3-butadiene; 1,3-Hexachlorobutadiene; Perchlorobutadiene
CAS No.
87-68-3
RTECS No.
EJ0700000
DOT ID & Guide
2279 151
Formula
Cl2C=CClCCl=CCl2
Conversion
1 ppm = 10.66 mg/m3
IDLH
Ca [N.D.]
See: IDLH INDEX
Exposure Limits
NIOSH REL
: Ca TWA 0.02 ppm (0.24 mg/m3) [skin] See Appendix A
OSHA PEL
†: none
Measurement Methods

NIOSH 2543
See: NMAM or OSHA Methods
Physical Description
Clear, colorless liquid with a mild, turpentine-like odor.
MW:
260.7
BP:
419°F
FRZ:
-6°F
Sol:
Insoluble
VP:
0.2 mmHg
IP:
?
Sp.Gr:
1.55
Fl.P:
?
UEL:
?
LEL:
?
Combustible Liquid
Incompatibilities & Reactivities
Oxidizers
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
In animals: irritation eyes, skin, respiratory system; kidney damage; [potential occupational carcinogen]
Target Organs
Eyes, skin, respiratory system, kidneys
Cancer Site
[in animals: kidney tumors]
Personal Protection/Sanitation
(See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations

NIOSH

At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 0896
 

Order NIOSH Publications

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 Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO