1. OSHA Occupational Chemical Database
  2. DIAZINON®
Label abbreviations descriptions

DIAZINON®

Chemical Identification
Chemical Identification
CAS # 333-41-5
Formula

C₁₂H₂₁N₂O₃PS
Synonyms

Basudin; diazide; o,o-diethyl-o-2-isopropyl-4-methyl-6-pyrimidinyl-phosphorothioate; Spectracide
Physical Properties
Physical Properties
Physical description Colorless liquid with a faint ester-like odor.
Boiling point decomposes Molecular weight 304.4
Freezing point/melting point Vapor pressure 0.0001 mmHg
Flash point 180°F Vapor density
Specific gravity 1.12 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.) 2720
Sampling group
Sampler/Sampling media OSHA versatile sampler (OVS-2) - 13 mm XAD-2 tube (270/140 mg) with GFF enclosed [SKC 226-30-16]
Sampling time*

480 min
Sampling volume (TWA)*

480 L
Sampling flow rate (TWA)*

1 L/min
Sampling volume (STEL/Peak/C)*

15 L
Sampling flow rate (STEL/Peak/C)*

1 L/min
Analytical method instruments GC-FPD
Method reference OSHA 62 (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
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

0.01 mg/m³ (inhalable fraction and vapor) [2000]

 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

Y

 Skin notation

Y

 Skin notation

Y
Notes:

Not established

 Notes: Notes:

BEI®

 Notes:
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: TLV-A4 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 - Diazinon

NIOSH: Pocket Guide to Chemical Hazards - Diazinon®

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Diazinon. See annual publication for most recent information.
  • Garfitt, S.J., Jones, K., Mason, H.J. and Cocker, J.: Exposure to the organophosphate diazinon: data from a human volunteer study with oral and dermal doses. Toxicol. Lett. 134(1-3): 105-113, 2002.
  • Kappers, W.A., Edwards, R.J., Murray, S. and Boobis, A.R.: Diazinon® is activated by CYP2C19 in human liver. Toxicol. Appl. Pharmacol. 177(1): 68-76, 2001.
  • Pohanish, R.P. (editor): Diazinon®. Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 770-772.

Last Updated Date : 12/22/2020