Home Categories Chemical Reagents 1-Dodecanethiol
A3150912

1-Dodecanethiol , 98% , 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  n20/D 1.459(lit.)
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

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