PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Ethyleneimine 151-56-4 1185
14.01
4.01
11.01
14.02
4.05
7.01
8.00
7.00
11.00
4.09
Formula Synonyms
C2H5N ETHYLENEIMINE, INHIBITED, 1H-AZIRINE, DIHYDRO-, AMINOETHYLENE, AZACYCLOPROPANE, AZIRAN, AZIRANE, AZIRIDINE, DIHYDROAZIRENE, DIMETHYLENEIMINE, DIMETHYLENIMINE, EI, ENT-50324, ETHYLIMINE., ETHYLENEIMINE, ÉTHYLÈNEIMINE, STABILISÉE (DOT FRENCH), ETHYLENIMINE, ETHYLIMINE, ETILENIMINA, INHIBIDA (DOT SPANISH), FAST MEG
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
43.07 L -77.9 56 75 4.1 0.832 33000
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
0.10 4.6 9.9
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
0.18 8.1 17
Technical Basis
A review of available sources identified a TLV-STEL, AEGL-2, and AEGL-3 for this chemical. The AEGL-3 and AEGL-2 were selected due to their priority among Protective Action Criteria (Section 1). The TLV-STEL was selected as the TEEL-1. Values in units mg/m3 are reported as published in the technical support Table 4-1, per handbook guidance (Section 3.4.7.2).
• PAC-1 = TEEL-1 = TLV-STEL
• PAC-2 = AEGL-2
• PAC-3 = AEGL-3
This review generated PAC ppm values consistent with Rev. 29A. Differences in the reported PAC-2 and PAC-3 values in units mg/m3 may be due to conversion and rounding of these values, instead of use of source values.
References
AEGLs (Table 4-1) and chemical information (Table 4-2) retrieved from: https://www.epa.gov/aegl/ethyleneimine-results-aegl-program
TLV-STEL: https://www.osha.gov/chemicaldata/284
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PAC values marked with a subscript "A" correspond to 60-minute AEGL values.
PAC values marked with a subscript "E" correspond to ERPG values.
PAC values marked by * are >= 10% lower explosive limit (LEL) but < 50% LEL.
PAC values marked by ** are > 50% LEL but < 100% LEL.
PAC values marked by *** are >= LEL.