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| IUPAC name : | methanethiol |
| InChI : | InChI=1/CH4S/c1-2/h2H,1H3 |
| InChIKey : | LSDPWZHWYPCBBB-UHFFFAOYAW |
| SMILES : | CS |
| (EINECS) number : | 200-822-1 |
| eu annex : | 016-021-00-3 |
| cas number : | 74-93-1 |
| beilstein number : | 1696840 |
| fema number : | 2716 |
| coe number : | 475 |
| jecfa number : | 508 |
| fl. number : | 12.003 |
| molar refractivity : | 14.57 ± 0.3 cm3 |
| parachor : | 123.7 ± 4.0 cm3 |
| index of refraction : | 1.408 ± 0.02 |
| surface tension : | 19.2 ± 3.0 dyne/cm |
| density : | 0.814 ± 0.06 g/cm3 |
| polarizability : | 5.77 ± 0.5 10-24cm3 |
| xlogp : | 0.90 |
| molecular weight : | 48.1074600 |
| formula : | C H4 S |
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| fda reg : | 172.515 |
h. number : | unspecified |
| organoleptics : | |
| odor type : | sulfurous |
| odor strength : | very high , recommend smelling in a 0.01 % solution or less |
odor description : at 0.01 % in propylene glycol. | decomposing cabbage garlic |
| taste description³ : | at 1.00 ppm. Sulfurous, alliaceous, creamy with a surface-ripened cbeese topnote and a clean savory meaty depth |
| properties : | |
| appearence : | colorless gas or liquid <6 C |
| assay : | 98.00 - 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.86200 - 0.89400 @ 5.80 °C.
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| pounds per gallon - calc. : | 7.173 to 7.439
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| refractive index : | 1.43000 - 1.43600 @ 5.80 °C.
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| melting point : | -121.00 °C. @ 760.00 mm Hg
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| boiling point : | 6.10 - 6.20 °C. @ 727.00 mm Hg
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| boiling point : | 5.90 - 6.00 °C. @ 760.00 mm Hg
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| logp : | 0.78 |
| safety : | |
| most important hazard(s) : |
Xn N - Harmful, Dangerous for the environment. |
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| Oral Toxicity(LD50) : |
Not determined
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| Dermal Toxicity(LD50) : |
Not determined
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| flash point ( Deg. F. ) : | 70.00 °F. TCC ( 21.11 °C. )
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| recommendation for methyl mercaptan usage levels up to : |
| | not for fragrance use.
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| recommendation for methyl mercaptan usage levels up to : |
| | 1.0000 ppm in the flavor.
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| safety links : | |
| (EINECS) number : | 200-822-1 |
| rtecs : | PB4375000 for 74-93-1 |
| toxnet : | 74-93-1 |
| epa-srs : | 74-93-1 |
| pubchem : | 74-93-1 |
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| other : | |
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| references : | |
| reference : | Mosciano, Gerard P&F 23, No. 6, 31, (1998)³ |