# 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 100°F and below 140°F.
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