Home Categories Pharmaceutical intermediates Tetrahydrothiophene
A7702812

Tetrahydrothiophene , 99% , 110-01-0

Synonym(s):
Tetrahydrothiophene;THT;Tetramethylene sulfide;Thiolane;Thiophane

CAS NO.:110-01-0

Empirical Formula: C4H8S

Molecular Weight: 88.17

MDL number: MFCD00005476

EINECS: 203-728-9

Update time: 2022-07-08

PRODUCT Properties

Melting point: -96 °C (lit.)
Boiling point: 119 °C (lit.)
Density  1 g/mL at 25 °C (lit.)
vapor pressure  18 mm Hg ( 25 °C)
refractive index  n20/D 1.504(lit.)
Flash point: 55 °F
storage temp.  Store below +30°C.
solubility  immiscible
form  liquid
Specific Gravity 1.002 (20/4℃)
color  Colorless to Almost colorless
PH 7 (H2O, 20℃)
Odor Smells of rotting eggs
explosive limit 1.1-12.1%(V)
Odor Threshold 0.00062ppm
Odor Type sulfurous
Water Solubility  immiscible
Merck  14,9218
BRN  102392
Dielectric constant 8.6099999999999994
Stability: Highly flammable. Vapour-air mixtures explosive in some proportions; note low flash point and fairly wide explosion limit range. Heavier than air, so potentially explosive mixtures may travel considerable distances to source of ignition.
LogP 1.8 at 20℃
CAS DataBase Reference 110-01-0(CAS DataBase Reference)
NIST Chemistry Reference Thiophene, tetrahydro-(110-01-0)
EPA Substance Registry System Tetrahydrothiophene (110-01-0)

Description and Uses

Tetrahydrothiophene is a solvent and a fuel gas odorant used in fire safety stench warning systems in underground mines. Tetrahydrothiophene was also used as an organocatalyst for the reaction between enynediones and benzoic acid to afford highly substituted furfuryl alcohol benzoates.

Safety

Symbol(GHS) 
GHS02,GHS07
Signal word  Danger
Hazard statements  H225-H302+H312+H332-H315-H319-H412
Precautionary statements  P210-P273-P280-P301+P312-P303+P361+P353-P304+P340+P312
Hazard Codes  F,Xn
Risk Statements  11-20/21/22-36/38-52/53
Safety Statements  16-23-36/37-61
RIDADR  UN 2412 3/PG 2
WGK Germany  2
RTECS  XN0370000
Autoignition Temperature 202 °C
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29349990
Hazardous Substances Data 110-01-0(Hazardous Substances Data)
Toxicity LD50 by inhalation in mice: 26.7 mg/l (Carlucci)

RELATED PRODUCTS