2,3,5-Trimethylthiophene

HCID 74531CAS 1795-05-7

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Basic information

Standard SMILES: Cc1cc(C)c(C)s1
InChIKey: QKZJQIHBRCFDGQ-UHFFFAOYSA-N
Molecular formula: C7H10S
Average molar mass: 126.224 g/mol
Monoisotopic mass: 126.05032132

Names & identifiers

Preferred name: 2,3,5-Trimethylthiophene
IUPAC: 2,3,5-Trimethylthiophene
English name: 2,3,5-Trimethylthiophene
Molecular formula: C7H10S
Molecular weight: 126.22

Names & synonyms

2,3,5-TRIMETHYLTHIOPHENEThiophene, 2,3,5-trimethyl-N-[[5-[(3,5-dichlorophenyl)thio]-1-methyl-4-propan-2-yl-2-imidazolyl]methyl]-4-methylbenzenesulfonamide

Database identifiers

CAS: 1795-05-7
PubChem CID: 74531
DTXSID: DTXSID80170816
EC Number: 217-269-7
Nikkaji: J203.192B

Properties

Physicochemical properties

Melting point: -51.23 °C · -51.23°C (estimate)
Boiling point: 82 °C/52mm · 82°C/52mm
Density: 0.98 · 0.98
refractive index: 1.512 to · 1.5120 to 1.5140
storage temp.: 2 · 2-8°C
form: clear liquid
color: Colorless to Almost colorless
Henry's Law Constant: 1.1 · 1.1×10-3 mol/(m3Pa) at 25℃, Yaws et al. (2003)
CAS DataBase Reference: 1795 · 1795-05-7(CAS DataBase Reference)
NIST Chemistry Reference: 2 · 2,3,5-Trimethylthiophene(1795-05-7)
Symbol(GHS): 2 · GHS02
Signal word: Warning
Hazard statements: 226 · H226
Precautionary statements: 501 · P501-P240-P210-P233-P243-P241-P242-P280-P370+P378-P303+P361+P353-P403+P235
RIDADR: 1993 · UN 1993 3/PG III
HS Code: 2934.99 · 2934.99.9001
HazardClass: 3 · 3
PackingGroup: III

Safety & regulation

Safety data

ridadr: UN 1993 3/PG III
hs_code: 2934.99.9001
Signal word: Warning
Symbol(GHS): GHS02
hazard_class: 3
packing_group: III
Hazard statements: H226
Precautionary statements: P501-P240-P210-P233-P243-P241-P242-P280-P370+P378-P303+P361+P353-P403+P235