N-NITROSODIPROPYLAMINE

Chemical Identification
CAS # 621-64-7
Formula

C₆H₁₄N₂O

Synonyms

NDPA; di-n-propylnitrosamine; N-nitrosodi-n-propylamine; DPNA; DPN; N-nitroso-N-propyl-1-propanamine; propylamine, N-nitroso-N-di; dipropylnitrosamine; N-propyl-N-nitrosopropylamine

Physical Properties
Physical description Clear to pale yellow liquid.
Boiling point 403°F Molecular weight 130.19
Freezing point/melting point Vapor pressure
Flash point Vapor density
Specific gravity 0.9163 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.) 1948
Sampling group
Sampler/Sampling media ThermoSorb/N air sampler [No longer available]
Sampling time*

75 min

Sampling volume (TWA)*

75 L

Sampling flow rate (TWA)*

1 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-TEA
Method reference OSHA 27 (fully validated)
Notes
 

This media is no longer available. OSHA staff please contact the SLTC prior to sampling at (801) 233-5100.

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
Sampler/Sampling media
Bulk Method
Bulk Method
On-Site Screening Techniques
Device
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 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: NTP, IARC-2B, EPA-B2 Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Last Updated Date : 01/22/2024