GLYCOLS: METHOD 5523, Issue 1, dated 15 May 1996 - Page 4 of 5
[2]
determination of glycols in air: Application to theatrical smokes. Unpublished paper presented at Pittsburgh Conference, Chicago, IL, March 1994. NIOSH [1984]. Ethylene glycol: Method 5500. In: Eller PM, Ed. NIOSH manual of analytical methods, 3rd ed. Cincinnati, OH: U.S. Department of Health and Human Services, HHS (NIOSH) Publication No. 84-100.
METHOD WRITTEN BY: Stephanie M. Pendergrass, MRSB, DPSE
TABLE 1. GLYCOLS GENERAL INFORMATION Analyte
Formula
MW
CAS #
RTECS #
Properties
Ethylene glycol
C2H6O2
62.07
107-21-1
KW2975000
liquid; BP 197.2 C; FP -13 C; d 1.113 g/mL @ 20 C; nD 1.4310; vp 0.007 kPa (0.05 mm Hg) @ 20 C; explosive limits 3.2 to 15.3% v/v in air
Propylene glycol
C3H8O2
76.10
57-55-6
TY2000000
liquid; BP 188 C; FP -60 C ; d 1.038 g/mL @ 20 C; nD 1.4320; vp 0.009 kPa (0.07 mm Hg) @ 20 C; explosive limits 2.6 to 12.5% v/v in air
1,3-Butylene glycol
C4H10O2
90.12
107-88-0
EK0440000
liquid; BP 207.5 C; d 1.0059 g/mL @ 20 C; nD 1.4400; vp 0.06 mm Hg @ 20 C
Diethylene glycol
C4H10O3
106.12
111-46-6
ID5950000
liquid; BP 245 C; FP -6.5 C; d 1.118 g/mL @ 20 C; nD 1.4460 @ 25 C; vp <0.01 mm Hg @ 20 C; explosive limits 3 to 7% v/v in air
Triethylene glycol
C6H14O4
150.17
112-27-6
YE4550000
liquid; BP 285 C; FP -5 C; d 1.125 g/mL @ 20 C; nD 1.4550; vp <0.001 mm Hg @ 20 C; explosive limits 0.9 to 9.2% v/v in air
Tetraethylene glycol
C8H18O5
194.23
112-60-7
XC2100000
liquid; BP 327.3 C; FP -4 C; d 1.125 g/mL @ 20 C; nD 1.4577; vp >0.001 mm Hg @ 20 C
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition
