HMX (OCTOGEN)

Chemical Identification
Chemical Identification
CAS # 2691-41-0
Formula

C₄H₈N₈O₈

Synonyms

cyclotetramethylenetetranitramine; tetramethylenetetranitramine; octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine; octogen; HW4; LX 14-0; HW4; LX14-0

Physical Properties
Physical Properties
Physical description White crystalline solid.
Boiling point 536°F (decomposes) Molecular weight 296.16
Freezing point/melting point 537.8°F Vapor pressure 2.41x10-8 mmHg
Flash point Vapor density 1.9
Specific gravity 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.) H147
Sampling group
Sampler/Sampling media GFF (37 mm), Type A/E [AP4003705]
Sampling time*

500 min

Sampling volume (TWA)*

500 L

Sampling flow rate (TWA)*

1 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments HPLC
Method reference OSHA PV2032 (partially 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
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 - Cyclotetramethylene tetranitramine, [wet with >= 10% water]

NIOSH: Pocket Guide to Chemical Hazards - Not listed

Literature References

 

 

Last Updated Date : 12/31/2020