Agent Name

Naphtha (petroleum), light alkylate

CAS Number


Major Category

Other Classes


Light alkylate naphtha; Light alkylate naphtha (petroleum); Light alkylate naphtha distillate; Naphtha, petroleum, light alkylate; Naphtha, (petroleum), light alkylate; [ChemIDplus] Alkylate; Isoparaffins; LIGHT/HEARTCUT/MEDIUM ALKYLATE; NAFTA (PETROLIO), ISOMERIZZAZIONE; NAFTA (petrolio) - ISOMERIZZAZIONE; [IUCLID] Isopar E Fluid; Isopar C Fluid; [ExxonMobil MSDS] UN1268


Petroleum Distillates, Other


Colorless liquid with a mild petroleum odor; [ExxonMobil MSDS]


Permitted for use as an inert ingredient in non-food pesticide products; [EPA] Used in the fuel and petroleum refining industries; Used as a fuel, intermediate, and gasoline component; [IUCLID] Used as a solvent; [ExxonMobil MSDS]


TSCA Definition 2008: Obtained by distillation of the reaction products of isobutane with monoolefinic hydrocarbons and consisting of mainly branched chain saturated hydrocarbons with carbon numbers of C7 through C10 and boiling range of 90 deg C to 160 deg C; [ChemIDplus] Causes changes in liver and kidney weights in 13-week intermittent inhalation studies of rats; Causes changes in renal tubules in 4-week intermittent oral studies of rats; [RTECS] May cause irritation; Harmful by ingestion (may cause lung damage by aspiration); May cause CNS depression; [ExxonMobil MSDS]

Reference Link

EPA Hazard Characterization Document: Reclaimed Petroleum Hydrocarbons - 2011

Exposure Assessment
Vapor Pressure

17.82 mm Hg

Lethal Concentration

LC50 (rat) > 5,040 mg/m3/4hr

Explanatory Notes

For TLV, see Appendix H: Reciprocal Calculation Method for Certain Refined Hydrocarbon Solvent Vapors; [TLVs and BEIs] The Guide in the Emergency Response Guidebook is for "Petroleum distillates, n.o.s."

Adverse Effects

CNS Solvent Syndrome

Links to Other NLM Databases
Toxicity Information


Chemical Information

Search ChemIDplus

Related Information in HazMap

Occupational diseases associated with exposure to this agent:


Industrial Processes with risk of exposure: