ThiopheneCAS#110-02-1

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.)

Fp 

-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

biological source

mouse

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

Surface tension

26.13mN/m at 298.15K

CAS DataBase Reference

110-02-1(CAS DataBase Reference)

NIST Chemistry Reference

Thiophene(110-02-1)

EPA Substance Registry System

Thiophene (110-02-1)

Safety Information

Risk Statements 

45-46-11-20/21/22-41-52/53-36-20/22-37/38-22-48/20/21/22

Safety Statements 

53-26-39-45-61-36/37/39-16-36

RIDADR 

UN 2414 3/PG 2

WGK Germany 

3

RTECS 

XM7350000

Autoignition Temperature

743 °F

Hazard Note 

Irritant/Highly Flammable

TSCA 

Yes

HazardClass 

3

PackingGroup 

II

HS Code 

29349990

Hazardous Substances Data

110-02-1(Hazardous Substances Data)

Toxicity

LD50 orally in Rabbit: 1400 mg/kg