Vinyl Chloride Tlv

Vinyl chloride is a carcinogen in humans.

Vinyl chloride tlv.

The permissible exposure limit pel of vinyl chloride monomer vcm in developed country was 1 p m 2 79 mg m3. About 13 billion kilograms are produced annually. Vinyl chloride is a chlorinated hydrocarbon occurring as a colorless highly flammable gas with a mild sweet odor that may emit toxic fumes of carbon dioxide carbon monoxide hydrogen chloride and phosgene when heated to decomposition. Trichloroethylene clch ccl2 or c2hcl3 cid 6575 structure chemical names physical and chemical properties classification patents literature biological.

5 ppm 15 minutes. Vinyl chloride vcm 9 20 saturated liquid density temperature degrees f pounds per cubic foot 0 5 61 000 60 710 9 21 liquid heat capacity temperature degrees f british thermal unit per pound f 30 20 10 0 0 259 0 265 0 272 0 279 9 22 liquid thermal conductivity temperature degrees f british thermal unit inch per hour square foot f n o t p e. The threshold limit value tlv is 1 ppm averaged over an 8 hour workshift. 5 ppm 15 minutes.

Tlv of 1 ppm for an 8 hour twa. Vinyl chloride is an organochloride with the formula h 2 c chcl that is also called vinyl chloride monomer vcm or chloroethene this colorless compound is an important industrial chemical chiefly used to produce the polymer polyvinyl chloride pvc. 1 ppm 8 hours. 1 ppm 8 hours.

There may be no safe level of exposure to a carcinogen so all contact. Osha requires a program of initial monitoring to determine if there is any employee exposed to vinyl chloride without regard to the use of respirators in excess of the action level. Vinyl chloride is primarily used to make polyvinyl chloride to manufacture plastics. Chloroethene chloroethylene ethylene monochloride monochloroethene monochloroethylene vc vcm vinyl chloride monomer vcm colorless gas or liquid below 7 f with a pleasant odor at high concentrations.

The mechanism of vinyl chloride monomer vcm related carcinogenesis remains unclear. Vinyl chloride is an organochlorine compound that is a colorless flammable gas that readily forms a liquid under. As tlv and idlh values may change the current guidelines from the following sources should be consulted for up to date accuracy. Osha pel 1989 united states 3 1989.

1 ppm 8 hours. Shipped as a liquefied compressed gas. Vinyl acetate 10 15 vinyl bromide 0 5 vinyl chloride 1 xylenes 100 150 900 matheson tri gas assumes no responsibility for the accuracy of the information listed. And threshold limit value short term exposure limit tlv stel in china was 11 times higher 11 p m 30 mg m3 than it till 2002.