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Registry of Toxic Effects of Chemical Substances (RTECS)

1,3-Pentadiene

RTECS #

RZ2464000

CAS #

504-60-9

Updated

February 2006

Molecular Weight

68.13

Molecular Formula

C5H8

Synonyms

1-Methylbutadiene
Piperylene
RCRA waste number U186

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
inhalation/human lowest published toxic concentration: 850 mg/m3/5MBehavioral: Somnolence (general depressed activity)VCVGH* -,69,1990
inhalation/mouse lethal concentration (50 percent kill): 1100 mg/m3/2H85GMAT -,101,1982
inhalation/mouse lethal concentration (50 percent kill): 9760 mg/m3/2HBehavioral: Somnolence (general depressed activity)

Behavioral: Ataxia

Lung, Thorax, or Respiration: Dyspnea
VCVGH* -,68,1990
inhalation/mouse lethal concentration (16 percent kill): 8650 mg/m3/2HBehavioral: Somnolence (general depressed activity)

Behavioral: Ataxia

Lung, Thorax, or Respiration: Dyspnea
VCVGH* -,68,1990
inhalation/mouse lethal concentration (84 percent kill): 14300 mg/m3/2HBehavioral: Somnolence (general depressed activity)

Behavioral: Ataxia

Lung, Thorax, or Respiration: Dyspnea
VCVGH* -,68,1990
inhalation/rat lethal concentration (50 percent kill): 97200 mg/m3/4HBehavioral: Somnolence (general depressed activity)

Behavioral: Ataxia

Lung, Thorax, or Respiration: Dyspnea
VCVGH* -,68,1990
inhalation/rat lethal concentration (16 percent kill): 70000 mg/m3/4HBehavioral: Somnolence (general depressed activity)

Behavioral: Ataxia

Lung, Thorax, or Respiration: Dyspnea
VCVGH* -,68,1990
inhalation/rat lethal concentration (84 percent kill): 280000 mg/m3/4HBehavioral: Somnolence (general depressed activity)

Behavioral: Ataxia

Lung, Thorax, or Respiration: Dyspnea
VCVGH* -,68,1990
inhalation/rat lethal concentration (50 percent kill): 140 gm/m3/2H85GMAT -,101,1982

Standards and Regulations

OrganizationStandardReference
Occupational Exposure Limit-RUSSIAshort term exposure limit 40 mg/m3, JUN2003

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Occupational Exposure Survey 1983Hazard Code 82971; Number of Industries 1; Total Number of Facilities 3; Number of Occupations 3; Total Number of Employees Exposed 68
National Occupational Hazard Survey 1974Hazard Code 82971; Number of Industries 1; Total Number of Facilities 20; Number of Occupations 2; Total Number of Employees Exposed 614

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(e) Risk Notification, 8EHQ-0892-9276
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
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