MSDS
Page 5 of 8
Evaporation Rate: < butyl acetate
Boiling Point: 217.9
0
C.
Melting Point: 80.2
0
C.
Autoignition Temperature: 526
0
C.
SECTION 10: STABILITY AND REACTIVITY
General Stability Considerations: Stable at room temperature.
Incompatible Materials: Oxidizing agents, acids.
Hazardous Decomposition Products: Not determined.
Hazardous Polymerization: Does not occur.
SECTION 11: TOXICOLOGICAL INFORMATION
Acute Toxicity: Oral – human adult LDL
0
= 29-74 mg/kg; Oral – human child LDL
0
= 100 mg/kg; Oral –
rat LD
50
= 490 mg/kg; Oral – mouse LD
50
= 316 mg/kg; Oral - dog LDL
0
= 400 mg/kg; Oral - cat LDL
0
=
1000 mg/kg; Oral - rabbit LDL
0
= 3000 mg/kg; Oral – guinea pig LDL0
50
= 1200 mg/kg; Inhalation - rat 1
hour LCL
50
= >340 mg/m
3
; Dermal – rat LDL
50
= >2500 mg/kg; Dermal – rabbit LDL
50
= 20 g/kg .
Reproductive/Teratogenicity Effects: Oral dosing studies in rats and rabbits, at levels that cause some
maternal toxicity, did not show effects on fetal viability, or morphological development.
Mutagenicity/Genotoxicity Information: Naphthalene was generally negative in mutagenicity assays
with bacteria and mammalian cells.
Carcinogenicity and Chronic Toxicity: Based on human and animal data, the human carcinogenic
potential of naphthalene via the oral, dermal or inhalation routes cannot be determined. Oral and
intraperitoneal dosing of rats, with naphthalene, produced no carcinogenic response. No carcinogenic
activity was seen in hairless mice, after dermal dosing, with naphthalene. The National toxicology
program (NTP) conducted chronic inhalation studies in rats and mice. They reported the evidence of
carcinogenicity was clear evidence in rats, no evidence in male mice and some evidence in female mice.
SECTION 12: ECOLOGICAL INFORMATION
Environmental Fate: Naphthalene: log P (octanol-water) 3.3
Ecotoxicity: Fathead minnow (Pinephales promelas) 24 hour LC
50
= 7.76 mg/L, 48 hour LC
50
= 6.35
mg/L; mg/kg; Shrimp (Pandalus goniurus) 96 hour LC
50
= 2.2 mg/L; Pink salmon (Oncorhynchus
gorbuscha) 96 hour LC
50
= 1.4 mg/L.
SECTION 13: DISPOSAL RECOMMENDATIONS
Waste Disposal Method: RECA : U165 as stipulated in 40 CFR 261.33, Dispose of material and
containers in accordance with all applicable federal, state, and local environmental regulations. Whatever
cannot be saved for recovery or recycling should be handled as hazardous waste and sent to a RCRA
approved waste facility. Processing, use or contamination of this product may change the waste
management options. State and local disposal regulations may differ from federal disposal regulations.
Dispose of container and unused contents in accordance with federal, state and local requirements.