N-NITROSOMETHYL-N-BUTYLAMINE

Chemical Identification
Chemical Identification
CAS # 7068-83-9
Formula

C₅H₁₂N₂O

Synonyms

NMBA; MBNA; butylamine, N-methyl-N-nitroso-; butanamine, N-methyl-N-nitroso-; methylbutylnitrosamine; methyl-n-butylnitrosamine; N-methyl-N-nitrosobutylamine; N-nitroso-n-butylmethylamine; nitrosomethyl-n-butylamine

Physical Properties
Physical Properties
Physical description
Boiling point 193.6°C Molecular weight 116.16
Freezing point/melting point Vapor pressure 0.6 mmHg
Flash point 32.6°C Vapor density 1
Specific gravity Ionization potential
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating 4 NFPA fire rating 0
NFPA reactivity rating 0 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.) N708
Sampling group
Sampler/Sampling media ThermoSorb/N air sampler [No longer available]
Sampling time*
Sampling volume (TWA)*

75 L

Sampling flow rate (TWA)*

0.2-2 L/min

Sampling volume (STEL/Peak/C)*
 

 

Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-TEA
Method reference OSHA 38 (fully validated)
Notes
 

This media is no longer available. OSHA staff please contact the SLTC prior to sampling at (801) 233-4900.

Special requirements
 

Store samples in freezer.

* 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
 

 

TLV-TWA
 

 

PEL-TWA
 

 

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

 

PEL-STEL
 

 

PEL-C
 

 

REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation
 

NA

Skin notation
 

NA

Skin notation
 

NA

Skin notation
 

NA

Notes:
 

Not established

Notes:
 

Not established

Notes:
 

Not established

Notes:
 

Not established

Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: Notes:
 

 

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 - Not listed

Literature References

 
  • NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: EO5425000.

Last Updated Date : 01/05/2021