Thiophene

Melting point :-38 °C (lit.)
Boiling point :84 °C (lit.)
Density :1.051 g/mL at 25 °C (lit.)
vapor density :2.9 (vs air)
vapor pressure :40 mm Hg ( 12.5 °C)
refractive index :n20/D 1.529(lit.)
Flash point :-9 °C
storage temp. :Store below +30°C.
solubility :Miscible with carbon tetrachloride, heptane, pyrimidine, dioxane, toluene, and many organic solvents (quoted, Keith and Walters, 1992)
form :powder
color :Clear
Specific Gravity :1.06
Odor :at 0.10 % in propylene glycol. alliaceous garlic
Odor Type :sulfurous
Odor Threshold :0.00056ppm
explosive limit :1.5-12.5%(V)
Water Solubility :INSOLUBLE
Merck :14,9353
BRN :103222
Henry's Law Constant :2.33 and 2.70 in distilled water and seawater, respectively (Przyjazny et al., 1983)
Dielectric constant :9.3（20℃）
Stability :Stable. Highly flammable. Incompatible with strong oxidizing agents, nitrates.
LogP :1.81-1.86 at pH10
CAS DataBase Reference :110-02-1(CAS DataBase Reference)
NIST Chemistry Reference :Thiophene(110-02-1)
EPA Substance Registry System :Thiophene (110-02-1)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H340 May cause genetic defects Germ cell mutagenicity Category 1A, 1B Danger H350 May cause cancer Carcinogenicity Category 1A, 1B Danger H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P202 Do not handle until all safety precautions have been read and understood. P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273 Avoid release to the environment. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313 IF exposed or concerned: Get medical advice/attention.