8.21095

Tetrahydrothiophene

for synthesis

• Synonym(s): Tetrahydrothiophene, Tetramethylene sulfide, THT
• Empirical Formula (Hill Notation): C₄H₈S
• CAS Number: 110-01-0
• Molecular Weight: 88.17
• MDL number: MFCD00005476
• UNSPSC Code: 12352005
• EC Index Number: 203-728-9
• NACRES: NA.22

Properties

• vapor pressure: 19 hPa ( 20 °C)
• Quality Level: 200
• Assay: ≥98.0% (GC)
• form: liquid
• autoignition temp.: 202 °C
• potency: 1850 mg/kg LD₅₀, oral (Rat)
• expl. lim.: 1.1-12.1 % (v/v)
• pH: 7 (20 °C in H₂O)
• bp: 121 °C/1013 hPa
• mp: -96 °C
• transition temp: flash point 19 °C
• density: 1.00 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C4H8S/c1-2-4-5-3-1/h1-4H2
• InChI key: RAOIDOHSFRTOEL-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.997 - 0.999
Identity (IR): passes test

Safety Information

• Pictograms: 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 Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 55.4 °F - closed cup
• Flash Point(C): 13 °C - closed cup