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Liû-hoà chúi-sò͘ (硫化水素, Eng-gí: hydrogen sulfide), hoà-ha̍k-sek H2S, sī chi̍t-ê liû-hông (S) goân-chú kap nn̄g-ê chúi-sò͘ (H) ê cho͘-ha̍p.
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Hō-miâ | |||
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Hē-thóng-tek IUPAC hō-miâ
Hydrogen sulfide[1] | |||
Kî-tha hō-miâ
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Sek-pia̍t-hō | |||
CAS Number |
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3D model (JSmol) |
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3DMet | B01206 | ||
Beilstein Reference |
3535004 | ||
ChEBI | |||
ChEMBL | |||
ChemSpider | |||
ECHA InfoCard | 100.029.070 | ||
EC Number | 231-977-3 | ||
Gmelin Reference |
303 | ||
KEGG | |||
MeSH | Hydrogen+sulfide | ||
PubChem CID |
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RTECS number | MX1225000 | ||
UNII | |||
UN number | 1053 | ||
InChI
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SMILES
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Sèng-chit | |||
H2S | |||
Mole chit-liōng | 34.08 g·mol−1 | ||
Gōa-māu | Colorless gas | ||
Khì-bī | Pungent, like that of rotten eggs | ||
Bi̍t-tō͘ | 1.363 g dm−3 | ||
Iûⁿ-tiám | −82 °C (−116 °F; 191 K) | ||
Hut-tiám | −60 °C (−76 °F; 213 K) | ||
Tī chúi ê iûⁿ-kái-tō͘ |
4 g dm−3 (at 20 °C) | ||
Cheng-khì-ap | 1740 kPa (at 21 °C) | ||
Acidity (pKa) | 7.0[2][3] | ||
Conjugate acid | Sulfonium | ||
Conjugate base | Bisulfide | ||
Chû-hòa-lu̍t (χ) |
−25.5·10−6 cm3/mol | ||
Khut-chiat-lu̍t (nD) |
1.000644 (0 °C)[4] | ||
Kò͘-chō | |||
Point group |
C2v | ||
Molecular shape |
Bent | ||
Dipole moment |
0.97 D | ||
Jia̍t-hòa-ha̍k | |||
Heat capacity (C) |
1.003 J K−1 g−1 | ||
Piau-chún mole entropy (S |
206 J mol−1 K−1[5] | ||
Piau-chún hêng-sêng enthalpy (ΔfH |
−21 kJ mol−1[5] | ||
Gûi-hiám | |||
Main hazards | Flammable and highly toxic | ||
GHS pictograms | Pang-bô͘:GHS02Pang-bô͘:GHS06Pang-bô͘:GHS09 | ||
GHS signal word | Danger | ||
GHS hazard statements |
指令碼錯誤:沒有「GHS phrases」這個模組。 | ||
GHS precautionary statements |
指令碼錯誤:沒有「GHS phrases」這個模組。 | ||
NFPA 704 |
4
4
0 | ||
Ín-hóe-tiám | −82.4 °C (−116.3 °F; 190.8 K)[6] | ||
Autoignition temperature |
232 °C (450 °F; 505 K) | ||
Explosive limits | 4.3–46% | ||
Lethal dose or concentration (LD, LC): | |||
LC50 (median concentration) |
| ||
LCLo (lowest published) |
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Bí-kok kiān-hong pī-pha̍k chè-hān (NIOSH): | |||
PEL (Ē-thong-kòe) |
C 20 ppm; 50 ppm [10-minute maximum peak][8] | ||
REL (Chhui-chiàn) |
C 10 ppm (15 mg/m3) [10-minute][8] | ||
IDLH (Chek-sî gûi-hiám) |
100 ppm[8] | ||
Koan-liân hòa-ha̍p-bu̍t | |||
Related hydrogen chalcogenides |
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Koan-liân hòa-ha̍p-bu̍t |
Phosphine | ||
Tû-liáu te̍k-pia̍t chí chhut, chu-liāu sī kun-kù bu̍t-chit ê piau-chún chōng-thài (tī 25 °C [77 °F], 100 kPa). | |||
cha-chèng ( sī siáⁿ ?) | |||
Infobox chham-chiàu | |||
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