PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Methyl parathion 298-00-0 2783
6.00
15.01
4.01
15.02
4.08
4.05
7.01
8.00
11.00
4.06
Formula Synonyms
C8H10NO5PS METHYL PARATHION, [LIQUID], METHYL PARATHION, MIXTURE, DRY, 8056 HC, 8056HC, ALKRON, AZOFOS, AZOPHOS, AZOPHOS®, BAY 11405, BAY E-601, BLADAN M, BLADAN-M, DALF, DALIF, DEMETHYLFENITROTHION, DIMETHYL 4-NITROPHENYL PHOSPHOROTHIOATE, DIMETHYL 4-NITROPHENYL PHOSPHOROTHIONATE, DIMETHYL P-NITROPHENYL MONOTHIOPHOSPHATE, DIMETHYL P-NITROPHENYL PHOSPHOROTHIONATE, DIMETHYL P-NITROPHENYL THIONOPHOSPHATE, DIMETHYL P-NITROPHENYL THIOPHOSPHATE, DIMETHYL PARATHION, DIMETHYLFENITROTHION, DIMETHYLPARATHION, E 601, ENT 17,292, ENT-17292, FOLIDOL 600, FOLIDOL M, FOLIDOL M 40, FOLIDOL M 50, FOLIDOL M-40, FOLIDOL-80, FOLIDOL-M, GEARPHOS, M-PARATHION, ME 1605, ME 605, ME 605SP, MEPTOX, METACID 50, METACIDE, METACIDE (INSECTICIDE), METAFOS, METAFOS (PESTICIDE), METAFOS(PESTICIDE), METAPHOR, METAPHOS, METHYL 1605, METHYL E 605, METHYL PARATHION, METHYL-E 605, METHYLPARATHION, MÉTHYLPARATHION, LIQUIDE (DOT FRENCH), METHYLTHIOPHOS, METIL PARATIÓN, LÍQUIDO (DOT SPANISH), METRON, METRON (PESTICIDE), METRON(PESTICIDE), MPT, NA 2783, NCI-C02971, NITRAN, NITROX, NITROX 80, O,O-DIMETHYL O-(P-NITROPHENYL) PHOSPHOROTHIOATE, O,O-DIMETHYL O-(P-NITROPHENYL) THIONOPHOSPHATE, O,O-DIMETHYL O-(P-NITROPHENYL) THIOPHOSPHATE, O,O-DIMETHYL O-P-NITROPHENYL THIOPHOSPHATE, O,O-DIMETHYL-O-(4-NITROPHENYL) PHOSPHOROTHIOATE, O,O-DIMETHYL-O-P-NITROPHENYL THIOPHOSPHATE, O,O-DIMETHYL-O-P-NITROPHENYLPHOSPHOROTHIOATE, OLEOVOFOTOX, P-NITROPHENYLDIMETHYLTHIONOPHOSPHATE, PARATAF, PARATHION METHYL, PARATHION METHYL HOMOLOG, PARATHION-METHYL, PARATUF, PARIDOL, PARTRON M, PENNCAP M, PENNCAP MLS, PHENOL, P-NITRO-, O-ESTER WITH O,O-DIMETHYL PHOSPHOROTHIOATE, PHOSPHOROTHIOIC ACID, O,O-DIMETHYL O-(4-NITROPHENYL) ESTER, PHOSPHOROTHIOIC ACID, O,O-DIMETHYL O-(P-NITROPHENYL) ESTER, PHOSPHOROTHIOIC ACID, O,O-DIMETHYL O-(P-NITROPHENYL) ESTER(D, PROBEL MP 2, QUINOPHOS, SINAFID M 48, SINAFID M-48, THIOPHENIT, VOFATOX, WOFATOX, WOFOTOX, WOLFATOX, YPHOS
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
263.21 S 38 20 1.358 @ 20°C
PAC Values
PAC Values (Original Units: mg/m3)
PAC-1 PAC-2 PAC-3
0.11 1.2ₐ 3.5ₐ
Converted PAC Values (ppm)
PAC-1 PAC-2 PAC-3
0.010 0.11 0.33
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.