NIOSH Pocket Guide to Chemical Hazards

Naphtha (coal tar) CAS 8030-30-6

RTECS DE3030000
Synonyms & Trade Names
Crude solvent coal tar naphtha, High solvent naphtha, Naphtha
DOT ID & Guide
1256 128 (solvent)
2553 128
Exposure
Limits
NIOSH REL: TWA 100 ppm (400 mg/m3)
OSHA PEL: TWA 100 ppm (400 mg/m3)
IDLH 1000 ppm [10%LEL] Conversion 1 ppm = 4.50 mg/m3 (approx)
Physical Description
Reddish-brown, mobile liquid with an aromatic odor.
MW: 110 (approx)
BP: 320-428°F
FRZ: ?
Sol: Insoluble
VP: <5 mmHg
IP: ?

Sp.Gr: 0.89-0.97
Fl.P: 100-109°F
UEL: ?
LEL: 1.0%

Class II Combustible Liquid: Fl.P. at or above 100F and below 140F.
Incompatibilities & Reactivities
Strong oxidizers
Measurement Methods
NIOSH 1550
Personal Protection & Sanitation
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation

First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations NIOSH/OSHA
Up to 1000 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode/(APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s)/(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece
Emergency or planned entry into unknown concentrations or IDLH conditions: (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
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, nose; dizziness, drowsiness; dermatitis; in animals: liver, kidney damage
Target Organs Eyes, skin, respiratory system, central nervous system, liver, kidneys
See also: INTRODUCTION