A3887612
1-Dodecanethiol , 99.5% , 112-55-0
Synonym(s):
1-Dodecanethiol;NDM;Dodecyl mercaptan;Lauryl mercaptan;Lauryl mercaptan, Dodecyl mercaptan
CAS NO.：112-55-0
Empirical Formula: C12H26S
Molecular Weight: 202.4
MDL number: MFCD00004885
EINECS: 203-984-1
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -7 °C |
| Boiling point: | 266-283 °C(lit.) |
| Density | 0.845 g/mL at 25 °C(lit.) |
| vapor density | 7 (vs air) |
| vapor pressure | 0.002 hPa (20 °C) |
| refractive index | n |
| FEMA | 4581 | DODECANETHIOL |
| Flash point: | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | Chloroform (Sparingly), Methanol (Slightly) |
| pka | 10.49±0.10(Predicted) |
| form | Liquid |
| color | Clear |
| Odor | Stench |
| Odor Type | sulfurous |
| Water Solubility | IMMISCIBLE |
| Sensitive | Air Sensitive |
| λmax | 205nm(lit.) |
| JECFA Number | 1924 |
| BRN | 969337 |
| Exposure limits | ACGIH: TWA 0.1 ppm NIOSH: Ceiling 0.5 ppm(4.1 mg/m3) |
| Stability: | Air Sensitive |
| InChIKey | WNAHIZMDSQCWRP-UHFFFAOYSA-N |
| LogP | 6.18 |
Description and Uses
Dodecyl mercaptan is a poymerization inhibitor added to polyurethane resins and Neoprene glues for use, e.g., in the shoe industry.
Safety
| Symbol(GHS) |    GHS05,GHS07,GHS09 |
| Signal word | Danger |
| Hazard statements | H314-H317-H410 |
| Precautionary statements | P261-P272-P273-P280-P303+P361+P353-P305+P351+P338 |
| Hazard Codes | Xn,Xi,N,F,C |
| Risk Statements | 37/38-41-42/43-36/37/38-67-65-62-51/53-48/20-38-11-50/53-34 |
| Safety Statements | 23-26-36/37/39-45-37/39-63-62-61-36/37-33-29-16-9-60 |
| OEL | Ceiling: 0.5 ppm (4.1 mg/m3) [15-minute] |
| RIDADR | UN 1208 3/PG 2 |
| WGK Germany | 3 |
| RTECS | JR3155000 |
| Autoignition Temperature | 230 °C |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 29309070 |
| Toxicity | LD50 orally in Rabbit: > 2000 mg/kg |
