thieno(2,3-b)thiophene

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1,6-dithiapentalene

CAS: 250-84-0 C6 H4 S2 MW: 140.22788000
All Ingredients Aromatic Ingredients CAS Numbers IUPAC Names M.W Index

Identification

Namethieno(2,3-b)thiophene
IUPACthieno[2,3-b]thiophene
CAS Number250-84-0
FDA UNIISearch
Molecular FormulaC6 H4 S2
Molecular Weight140.22788000
MDL NumberMFCD02824126
Nikkaji NumberJ5.439I

Regulatory

Physical Properties

Appearance colorless to pale yellow clear liquid (est)
Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Melting Point 7.00 °C. @ 760.00 mm Hg (est)
Boiling Point 226.00 to 227.00 °C. @ 760.00 mm Hg (est)
Vapor Pressure 0.126000 mmHg @ 25.00 °C. (est)
Flash Point 148.00 °F. TCC ( 64.30 °C. ) (est)
logP (o/w) 3.043 (est)
Soluble in water, 333.3 mg/L @ 25 °C (est)

No sensory data available

Safety Information

Preferred SDSView
Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categoryinformation only not used for fragrances or flavors
Recommendation for thieno(2,3-b)thiophene usage levels up tonot for fragrance use.
Recommendation for thieno(2,3-b)thiophene flavor usage levels up tonot for flavor use.

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Potential Uses

None Found

Natural Occurrence

not found in nature

Synonyms

1,6- dithiapentalene thieno[2,3-b]thiophene Try the PubMed Search.