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Registry of Toxic Effects of Chemical Substances (RTECS)

1,3-Propanediol, 2,2-dimethyl-

RTECS #

TY5775000

CAS #

126-30-7

Updated

April 2010

Molecular Weight

104.17

Molecular Formula

C5H12O2

Synonyms

2,2-Dimethyl-1,3-propanediol
2,2-Dimethyltrimethylene glycol
Dimethylolpropane
Dimethyltrimethylene glycol
Hydroxypivalyl alcohol
Neol
Neopentyl glycol
Neopentylene glycol
NPG

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
inhalation/rat Lowest published lethal concentration: 39000 ppm/6HKODAK* 21MAY1971
oral/rat lethal dose (50 percent kill): 3200 mg/kgHPV357 -,-,2006
oral/rat lowest published lethal dose: 3200 mg/kgKODAK* 21MAY1971

Other Multiple Dose Data and References

Route/OrganismDoseEffectReference
oral/rat lowest published toxic dose: 12600 mg/kg/42D- continuousLiver: Changes in liver weight

Kidney, Ureter, and Bladder: Changes in kidney weight

Blood: Changes in serum composition (e.g. TP, bilirubin, cholesterol)
HPV357 -,,2006

Standards and Regulations

OrganizationStandardReference
Occupational Exposure Limit-RUSSIAshort term exposure limit 10 mg/m3, JUN2003

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Occupational Exposure Survey 1983Hazard Code 83578; Number of Industries 11; Total Number of Facilities 367; Number of Occupations 14; Total Number of Employees Exposed 6957; Total Number of Female Employees Exposed 1200
National Occupational Hazard Survey 1974Hazard Code 83578; Number of Industries 11; Total Number of Facilities 497; Number of Occupations 37; Total Number of Employees Exposed 15135

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
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