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Handbook of Solvents - George Wypych - ChemTech - Ventech!

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928 Phillip J. Wakelyn, Peter J. Wan<br />

and regulations, and Tables 14.10.4 and 14.10.5 for an overview <strong>of</strong> environmental requirements<br />

that apply to each solvent.<br />

Table 14.10.4. U.S. Environmental regulations, air and water<br />

Chemical Name (CAS No.) VOC HAP CWA a<br />

Sol. in H2O<br />

n-Hexane (110-54-3) Yes Yes Yes I<br />

Commercial hexane(none) Yes<br />

n-Heptane (148-82-5) Yes No Yes I<br />

Cyclohexane (110-82-7) Yes No Yes 0.01<br />

Cyclopentane (287-92-3) Yes No Yes I<br />

Hexane isomers (none) Yes No Yes<br />

Commercial isohexane (none) (same as hexane isomers) No Yes<br />

2-Methyl pentane (isohexane)<br />

(107-83-5)<br />

(a hexane isomer) Yes No Yes 0.0014<br />

3-Methyl pentane (96-14-0) (a hexane isomer) Yes No Yes 0.0013<br />

Methyl cyclopentane (96-37-7) (a hexane isomer) Yes No Yes 0.0013<br />

2,2 dimethyl butane (neohexane)<br />

(75-83-2)<br />

(a hexane isomer) Yes No Yes 0.0018<br />

2,3 dimethyl butane (79-29-8) (a hexane isomer) Yes No Yes 0.0011<br />

Methyl cyclohexane(108-87-2) Yes No Yes 0.0014<br />

Isopropyl alcohol (2-propanol)<br />

(67-17-5)<br />

Yes No Yes Misc.<br />

Ethyl alcohol (ethanol) (64-17-5) Yes No Yes Misc.<br />

Acetone (67-64-1) No b<br />

No Yes Misc.<br />

a Under the Clean Water Act there could be stormwater and NPDES permit requirements; none <strong>of</strong> the solvents are<br />

listed as priority toxic pollutants in 40 CFR 401.15.<br />

b Acetone is considered by the U.S. EPA not be a VOC (60 FR 31643; June 16, 1995)<br />

Abbreviations: CAS No., Chemical Abstracts Service Registry number; VOC, volatile organic chemical; HAP,<br />

hazardous air pollutant; CWA, Clean Water Act; I, insoluble in H 2O; MISC., miscible in H 2O; and 0.01, 0.01 parts<br />

soluble in 100 parts H 2O. Source for water solubility: Ref 47.<br />

Table 14.10.5 U.S. Environmental regulations, waste<br />

Chemical Name<br />

(CAS No.)<br />

RCRA Code b<br />

(RCRA) (EPCRA/SARA Title III) a<br />

Sec. 304<br />

CERCLA RQ<br />

Sec.311/312 Sec.313 (TRI)<br />

n-hexane (110-54-3) 5000 c<br />

Yes Yes<br />

Commercial hexane (none) Yes d<br />

n-heptane (142-82-5) Yes No

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