Page:NIOSH Manual of Analytical Methods - 1003.pdf/6

 HYD RO CAR BO NS, H ALO GE NAT ED: M ETH OD 1003, Issue 3, dated 1 5 Ma rch 2003 Page 6 o f 7 TABLE 2. PHYSICAL PROPERTIES Compound RTECS

M.W.

mg/m3 = 1 ppm @ NTP

Synonyms

Properties

Group A Bromoform (CHBr3 )

252.75

10.33

tribromomethane

liquid, d 2.887; BP 148 °C; nonflammable

Carbon tetrachloride (CCl4 )

153.84

6.29

tetrachloromethane

liquid; d 1.585; BP 76.7 °C; FP ! 23.0 °C; VP 91.3 mm @ 20 °C; vapor density (air = 1) 5.3

Chlorobenzene (C6 H5 Cl)

112.56

4.60

monochlorobenzene; phenyl chloride

liquid; d 1.105 @ 25 °C; BP 131.6 °C; MP ! 45 °C; flash pt. 29.4 °C (CC)

Chloroform (CHCl3 )

119.39

4.88

trichloromethane

liquid, d 1.485 @ 20 °C; BP 61.2 °C; FP -63.5 °C

1,1-Dichloroethane (CH3 CHCl2 )

98.95

4.05

ethylidene chloride

liquid, d 1.174 @ 20 °C; BP 57 to 59 °C; FP ! 98 °C

Ethylene dichloride (ClCH2 CH2 Cl)

98.96

4.05

1,2-dichloroethane

Tetrachloroethylene (Cl2 C=CCl2 )

165.83

6.78

perchloroethylene

liquid; d 1.2554 @ 20 °C; BP 83.5 °C; FP ! 35.5 °C; flash pt. 13 °C; explosive limits in air 6 to 16% liquid; d 1.625 @ 20 °C; BP 121 °C; FP ! 22.4 °C

1,1,1-trichloroethane (CH3 CCl3 )

133.42

5.45

methyl chloroform

liquid; d 1.325; BP 75 °C; FP ! 30.4 °C; nonflammable

Trichloroethylene (CICH=CCl2 )

131.40

5.37

ethylene trichloride; trichloroethene

liquid; d 1.459 @ 20°C; BP 87.2°C; FP- 72.8°C; VP 58 mm Hg @ 20°C (9.9 kPa); explosive range 11 to 41% v/v in air

Benzyl chloride (C6 H5 CH2 Cl)

126.58

5.17

(chloromethyl) benzene; "-chlorotoluene

liquid; BP 179 °C; MP ! 48 to ! 43 °C; d 1.100 @ 20 °C; flash pt. 67 °C

Chlorobromomethane (CH2 BrCl)

129.39

5.29

bromochloromethane; Halon 1011

liquid; d 1.93 @ 20 °C; BP 68 °C; MP ! 88 °C; nonflammable

o-Dichlorobenzene (1,2-C6 H4 Cl2 )

147.00

6.01

1,2-dichlorobenzene

liquid; d 1.284; BP 172 to 179 °C; FP ! 17 °C; flash pt. 65.5 °C

p-Dichlorobenzene (1,4-C6 H4 Cl2 )

147.00

6.01

1,4-dichlorobenzene

solid crystals; d 1.458; BP 173.7 °C; MP 53 °C; sublimes; flash pt. 65.5 °C

1,2-Dichloroethylene (ClCH=CHCl)

96.94

3.96

acetylene dichloride; 1,2-dichloroethene

liquid; transisomer; d 1.257; BP 47 to 49 °C; MP ! 57°C; cis-isomer; d 1.282; BP 58 to 60 °C; flash pt. 3.9 °C; FP ! 80 °C

Hexachloroethane (CCl3 CCl3 )

236.74

9.66

perchloroethane

solid; d 2.091; MP 185 °C; BP sublimes at 187 °C

1,1,2-Trichloroethane (Cl2 CHCH2 Cl)

133.41

5.45

vinyl trichloride

liquid; d 1.4432 @ 20 °C; BP 113.7 °C; FP ! 36.4 °C; VP 19 mm Hg @ 20 °C

1,2,3-Trichloropropane (CH2 ClCHClCH2 Cl)

147.43

6.03

allyl trichloride; glycerol trichlorohydrin

liquid; d 1.3888 @ 20 °C; BP 156.2 °C; FP ! 15 °C; flash pt. 82.2 °C (OC)

Group B

NIOSH Manual of Analytical Methods (NMAM), Fourth Edition