Reported in EPA TSCA Inventory.

DOT Classification:  3; Label: Flammable Liquid

Thiophene(CAS No.110-02-1), it also can be called Divinylene sulfide; Thiacyclopentadiene; Thiofuran. It belongs to the Product Categories of  Thiophenes; Building Blocks; Thiophene; Organoborons; Halogenated; Organohalides; Boronic ester; Carboxy.  Thiophenes are important heterocyclic compounds , and they are widely used as building blocks in many agrochemicals and pharmaceuticals. The benzene ring of a biologically active compound may often be replaced by a Thiophene without loss of activity. This is seen in examples such as the NSAID lornoxicam, the Thiophene analog of piroxicam.

Physical properties about Thiophene are: (1)ACD/LogP: 1.95; (2)ACD/LogD (pH 5.5): 1.95; (3)ACD/LogD (pH 7.4): 1.95; (4)ACD/BCF (pH 5.5): 17.85; (5)ACD/BCF (pH 7.4): 17.85; (6)ACD/KOC (pH 5.5): 273.89; (7)ACD/KOC (pH 7.4): 273.89; (8)Index of Refraction: 1.537; (9)Molar Refractivity: 24.637 cm³; (10)Molar Volume: 78.913 cm³; (11)Polarizability: 9.767 10-24cm³; (12)Surface Tension: 33.9150009155273 dyne/cm; (13)Density: 1.066 g/cm³; (14)Flash Point: -1.111 °C; (15)Enthalpy of Vaporization: 31.48 kJ/mol; (16)Boiling Point: 84.16 °C at 760 mmHg; (17)Vapour Pressure: 81.697998046875 mmHg at 25°C;

When you are using this chemical, please be cautious about it as the following:
1. Avoid exposure - obtain special instruction before use;
2. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice;
3. Wear eye/face protection;
4. In case of accident or if you feel unwell, seek medical advice immediately (show label where possible);
5. Avoid release to the environment. Refer to special instructions safety data sheet;
6. Wear suitable protective clothing, gloves and eye/face protection;

You can still convert the following datas into molecular structure:
(1)InChI=1S/C4H4S/c1-2-4-5-3-1/h1-4H;
(2)InChIKey=YTPLMLYBLZKORZ-UHFFFAOYSA-N;
(3)Smilesc1ccsc1;

The toxicity data is as follows: