NAPHTHA (COAL TAR)†

Chemical Identification
CAS # 8030-30-6
Formula
 

Mixture

Synonyms
 

crude solvent coal tar naphtha; solvent naphtha (coal)

Physical Properties
Physical description Colorless to dark reddish-brown colored liquid with an aromatic odor.
Boiling point 200-500°F Molecular weight 110 (approx)
Freezing point/melting point Vapor pressure 6.72 mmHg
Flash point 100-109°F Vapor density
Specific gravity 0.86-0.88 Ionization potential
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating NFPA fire rating
NFPA reactivity rating NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 0710
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
 

15 min

Sampling volume (TWA)*
 

 3 L

Sampling flow rate (TWA)*
 

0.2 L/min

Sampling volume (STEL/Peak/C)*
 

 

Sampling flow rate (STEL/Peak/C)*
 

 

Analytical method instruments GC-FID
Method reference OSHA 48 (fully validated)
Notes
 

 

Special requirements
 

 

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Wipe Method
Sampler/Sampling media
 

 

Bulk Method
Bulk Method
 

 

On-Site Screening Techniques
Device Photoionization detector (PID)
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA
 

100 ppm (400 mg/m³)

REL-TWA
 
 

100 ppm (400 mg/m³)

TLV-TWA
 
 

 

PEL-TWA
 
 

100 ppm (400 mg/m³)

PEL-STEL
 
 

 

REL-STEL
 
 

 

TLV-STEL
 
 

 

PEL-STEL
 
 

 

PEL-C
 
 

 

REL-C
 
 

 

TLV-C
 
 

 

PEL-C
 
 

 

Skin notation
 
 

N

Skin notation
 
 

N

Skin notation
 
 

N

Skin notation
 
 

N

Notes:
 
 

See 29 CFR 1910.1000 Table Z-1.

Notes:
 
 

 

Notes:
 
 

TLV withdrawn in 2009. See Appendix H: Reciprocal Calculation Method for Certain Refined Hydrocarbon Solvent Vapor Mixtures

Notes:
 
 

 

Health factors:  See NIH-NLM PubChem. IDLH
 
 

1000 ppm

Carcinogenic classifications: Not listed Notes:
 
 

10% of LEL

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
 
 

 

Last Updated Date : 01/05/2021