PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Crotonaldehyde, trans- 123-73-9
14.01
11.01
14.02
4.05
7.01
11.00
4.10
4.07
2.00
10.00
Formula Synonyms
C4H6O (E)-CROTONALDEHYDE, (E)-2-BUTENAL, 2(E)-BUTENAL, 2-BUTENAL(TRANS), 2-BUTENAL, (E)-, 2-BUTENAL,(E)-, BETA-METHYL ACROLEIN, CROTENALDEHYDE, CROTONAL, CROTONALDEHYDE, CROTONALDEHYDE, (E)-, CROTONIC ALDEHYDE, E-2-BUTENAL, NCI-C56279, PROPYLENE ALDEHYDE, TOPANEL, TOPANEL CA, TRANS-2-BUTEN-1-AL, TRANS-2-BUTENAL, TRANS-CROTONAL, TRANS-CROTONALDEHYDE
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
70.1 L -69 102.2 0.853
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
0.19ₐ 4.4ₐ 14ₐ
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
0.54 13 40
Technical Basis
No technical basis available
References
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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.