Name | n-Octadecyl mercaptan |
Synonyms | ODM MERCAPTAN C18 Octadecanethiol OCTADECANETHIOL NANOTHINKS(R) 18 Stearyl Mercaptan N-OCTADECANETHIOL 1-OCTADECANETHIOL 1-Octadecanethiol octadecane-1-thiol OCTADECYL MERCAPTAN octadecyl mercaptan N-OCTADECYL MERCAPTAN n-Octadecyl mercaptan |
CAS | 2885-00-9 |
EINECS | 220-744-1 |
InChI | InChI=1/C18H38S/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h19H,2-18H2,1H3 |
InChIKey | QJAOYSPHSNGHNC-UHFFFAOYSA-N |
Molecular Formula | C18H38S |
Molar Mass | 286.56 |
Density | 0.847g/mLat 25°C(lit.) |
Melting Point | 30-33°C(lit.) |
Boling Point | 204-210°C11mm Hg(lit.) |
Flash Point | 55°F |
Water Solubility | Insoluble |
Appearance | Crystalline Solid |
Specific Gravity | 0.832 (30℃)0.847 |
Color | White |
Exposure Limit | NIOSH: Ceiling 0.5 ppm(5.9 mg/m3) |
BRN | 1811934 |
pKa | 10.49±0.10(Predicted) |
Storage Condition | Store below +30°C. |
Stability | Stability Combustible. Stable. Incompatible with strong oxidizing agents, bases, reducing agents, alkali metals. |
Refractive Index | n20/D 1.3610 |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S7 - Keep container tightly closed. S16 - Keep away from sources of ignition. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
UN IDs | UN 1170 3/PG 2 |
WGK Germany | 3 |
TSCA | Yes |
HS Code | 29309070 |
Toxicity | LD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rat > 2000 mg/kg |
LogP | 8 at 20℃ |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
use | octathiol is a useful research chemical. |
application | eighteen mercaptan is an alcohol organic substance and can be used as a silver protective agent. |
spontaneous combustion temperature | >200°C |