Page:NIOSH Manual of Analytical Methods - 1400.pdf/4

 ALCOHOLS I: METHOD 1400, Issue 2, dated 15 August 1994 - Page 4 of 4 REFERENCES: [1]

Documentation of the NIOSH Validation Tests, U.S. Department of Health, Education, and Welfare, (NIOSH) Publication No. 77-185 (1977). User check, UBTL, NIOSH Sequence #3990-S (unpublished, November 3, 1983). NIOSH Manual of Analytical Methods, 2nd ed., V. 2., S56, S65 and S63, U.S. Department of Health, Education, and Welfare, Publ. (NIOSH) 77-157-B (1977).

[2] [3]

METHOD REVISED BY: George Williamson, NIOSH/DPSE; methods originally validated under NIOSH Contract 99-74-45.

TABLE 1. PROPERTIES

Compound

Formula

mg/m 3 = 1 ppm @ NTP

M.W.

Density @ 20 °C (g/mL)

BP (°C)

VP @ 20 °C, kPa (mm Hg)

Ethanol

CH 3CH 2OH; C 2H 6O

1.883

46.07

0.789

78.5

5.6 (42)

Isopropyl alcohol

CH 3CH(OH)CH 3; C 3H 8O

2.46

60.09

0.785

82.5

4.4 (33)

3.03

74.12

0.786

82.4; MP = 25.6 °C

4.1 (31)

tert-Butyl alcohol

(CH 3)3COH; C4H10O

TABLE 2. GENERAL INFORMATION.

COMPOUND

EXPOSURE LIMITS (ppm) OSHA NIOSH ACGIH

Ethanol

TWA 1000

Isopropyl alcohol

TWA 400

tert-Butyl alcohol

TWA 100

1000

1000

CAS#

RTECS#

64-17-5

KQ6300000

400 400 500 STEL 500 STEL

67-63-0

NT8050000

100 100 150 STEL

75-65-0

EO1925000

NIOSH Manual of Analytical Methods (NMAM), Fourth Edition, 8/15/94