PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Methylal; (Dimethoxymethane) 109-87-5 1234
15.01
11.01
15.02
4.08
4.05
7.01
8.00
11.00
4.09
4.10
Formula Synonyms
C3H8O2 METHYLAL, 2,4-DIOXAPENTANE, ANESTHENYL, BIS(METHOXY)METHANE, DIMETHOXYMETHANE, DIMETHYL FORMAL, FORMAL, FORMALDEHYDE DIMETHYL ACETAL, FORMALDEHYDE DIMETHYLACETAL, FORMALDEHYDE DIMETHYLACETOL, FORMALDEHYDE METHYL KETAL, METHOXYMETHYL METHYL ETHER, MÉTHYLAL (DOT FRENCH), METHYLENE DIMETHYL ETHER, METILAL (DOT SPANISH)
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
76.1 L -105.1 42 750 41.7 0.8593 @ 20°C 22000
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
230 2500* 15000**
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
720 7800 47000
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.