| Chemical |
Hydrogen sulfide |
| CAS-number : |
7783-06-4 |
| |
| Synonyms : |
| Hydrogen sulfide (H2S) |
| rikkivety |
| vetysulfidi |
| |
| Sumformula of the chemical : |
| H2S |
| EINECS-number : |
| 2319773 |
| |
| State and appearance : |
colourless gas
|
| |
| Molecular weight : |
34.08 |
| |
| Melting point, °C : |
| -83.8 |
-83.8 - -85.5 |
| -85.5 |
|
| |
| Boiling point, °C : |
| -60.2 |
|
| |
| LC50 values to mammals in inhalation exposure, mg/m3 : |
| 1 |
8hr, ihl-gpg, Lewis & Sweet 1984 |
| |
| LC50 values to mammals in inhalation exposure, ppm : |
| 444 |
0.63 mg/l, ihl-rat, Lewis & Sweet 1984 |
| 600 |
30min., ihl-hmn, Lewis & Sweet 1984 |
| 673 |
1hr, ihl-mus, Lewis & Sweet 1984 |
| 800 |
5 min., ihl-mam, Lewis & Sweet 1984 |
| |
| LCLo values to mammals in inhalation exposure, mg/kg : |
| 1 |
8 hr, ihl-gpg, Lewis & Sweet 1984 |
| |
| LCLo values to mammals in inhalation exposure, ppm : |
| 600 |
30 min, ihl-hmn, Lewis & Sweet 1984 |
| |
| Effects on plants : |
Continuous fumigation of Douglas fir (Pseudotsuga menziesii)
seedlings with 100 ppb (0.139 mg/m3) H2S caused slight 'tip
burn' of needles, but 300 ppb (0.417 mg/m3) caused very
extensive foliar injury (Thompson & Kats 1978).
|
| |
| LC50 values to crustaceans, mg/l : |
| 0.11 |
96 hr, Asellus, Oseid et al. 1974 |
| |
| LC50 values to fishes, mg/l : |
| 0.007 |
0.007 - 0.55, 6 - 24°C, 96 hr, |
| 0.55 |
Pimephales promelas, Smith & Oseid 1975 |
| |
-- |
| 0.019 |
72 hr, eggs, Lepomis macrochirus |
| 0.013 |
96 hr, Lepomis macrochirus, Smith Jr. |
| |
et al. 1976 |
| |
-- |
| 0.022 |
0.022 - 0.031, 96hr |
| 0.031 |
Salvelinus fontinalis,Smith & Oseid 1975 |
| |
-- |
| 0.026 |
96 hr, Esox lucius |
| 0.037 |
96 hr, eggs, Esox lucius |
| |
Adelman & Smith Jr. 1972 |
| |
| Other information : |
The toxicity of hydrogen sulfide increases when the temperature
decreases (Smith & Oseid 1975).
|
References |
| 10 | Adelman, I.R. & Smith, L.L., Jr. 1972.
Toxicity of
hydrogen sulfide to goldfish (Carassius auratus) as
influenced by temperature, oxygen and bioassay techniques.
J.
Fish.
Res.
Bd Can. 29: 1309 - 1317. |
| 1589 | Lewis, R.J. & Sweet, D.V. 1984.
Registry of toxic effects of
chemical substances.
National Institute for Occupational Safety
and Health.
No. 83-107-4. |
| 1092 | Oseid, D.M., Smith, L.L.
Jr. 1974.
Factors influencing acute
toxicity estimates of hydrogen sulfide to freshwater
invertebrates.
Water Res. 8: 739 - 736. |
| 1312 | Smith, L.L.
Jr., Oseid, D.M., Kimball, G.L. & Elkandelgy,
S.M. 1976.Toxicity of hydrogen sulfide to various life
history stages of bluegill (Lepomis macrochirus).
Trans.
Amer.
Fish.
Soc. 105: 442 449. |
| 1311 | Smith, L.L.
Jr. & Oseid, D.M. 1975.
Chronic effects of low
levels of hydrogen sulfide on freshwater fish.
Prog.
Water
Technol. 7: 599. |
