ROSIN CORE SOLDER PYROLYSIS PRODUCTS (as FORMALDEHYDE)

Chemical Identification
Chemical Identification
CAS # NO CAS
Formula

CH₂O

Synonyms
Physical Properties
Physical Properties
Physical description Colorless to white crystalline, odorless solid.
Boiling point decomposes Molecular weight 309.1
Freezing point/melting point 473°F (decomposes) Vapor pressure depends on specific constituents
Flash point Vapor density
Specific gravity 1.7 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
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 2227
Sampling group
Sampler/Sampling media Coal Tar Pitch Volatiles (CTPV) Sampling Filters and Cassette [SLTC109]
Sampling time*
 

480 min

Sampling volume (TWA)*
 

960 L

Sampling flow rate (TWA)*
 

2 L/min

Sampling volume (STEL/Peak/C)*
 

 

Sampling flow rate (STEL/Peak/C)*
 

 

Analytical method instruments HPLC
Method reference OSHA 58 (validated in conjunction with Coal Tar Pitch Volatiles and Coke Oven Emissions)
Notes
 

After sampling, filter must be transferred to a vial with a Teflon-lined cap. Sample must be protected from direct sunlight.

Special requirements
 

These media are prepared by SLTC as needed and are not available for immediate shipment. Please allow time for SLTC to prepare these media prior to sampling.

* 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
Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method
On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
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 REL-TWA

0.1 mg/m³

TLV-TWA

Exposure by all routes should be carefully controlled to levels as low as possible. [1992]

PEL-TWA

0.1 mg/m³

PEL-STEL REL-STEL TLV-STEL PEL-STEL
PEL-C REL-C TLV-C PEL-C
Skin notation

NA

Skin notation

N

Skin notation

N

Skin notation

N

Notes:

Not established

Notes:

Ca in the presence of formaldehyde, acetaldehyde, or malonaldehyde. REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A, NIOSH Potential Occupational Carcinogens and Appendix C, Supplementary Exposure Limits (Aldehydes).

Notes:

dermal sensitization (DSEN), respiratory sensitization (RSEN)

Notes:
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: NIOSH-Ca (in presence of aldehydes noted) Notes:

Ca

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Not listed

NIOSH: Pocket Guide to Chemical Hazards - Rosin core solder, pyrolysis products (as formaldehyde)

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Rosin core solder thermal decomposition products (colophony). See annual publication for most recent information.

Last Updated Date : 01/29/2021