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2-Ethyl-5-methylthiophene

HCID 520990
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Basic information

CAS
40323-88-4
Standard SMILES
CCc1ccc(C)s1
InChIKey
VOIVNYVBGCJFRW-UHFFFAOYSA-N
Molecular formula
C7H10S
Average molar mass
126.22 g/mol
Monoisotopic mass
126.05032149

Names & identifiers

Preferred name
2-Ethyl-5-methylthiophene
IUPAC
2-ethyl-5-methylthiophene
English name
2-Ethyl-5-methylthiophene
Molecular formula
C7H10S
Molecular weight
126.22

Names & synonyms

2-Ethyl-5-methylthiophene40323-88-4Thiophene, 2-ethyl-5-methyl-2-Methyl-5-ethyl-thiopheneDTXSID30334522RefChem:86918DTXCID40285612609-821-4VOIVNYVBGCJFRW-UHFFFAOYSA-NMFCD000531282-ethyl-5-methyl-thiopheneYS7HWU7UX2
Show more names
5-Methyl-2-ethylthiophene2-Ethyl-5-methylthiophene ,99%
2-methyl-5-ethylthiopheneSCHEMBL961452-Ethyl-5-methylthiophene #SCHEMBL126278SCHEMBL1841034SCHEMBL2561794AKOS015897490DS-4186

Database identifiers

CAS
40323-88-4
PubChem CID
520990
DTXSID
DTXSID30334522
UNII
YS7HWU7UX2
EC Number
609-821-4

Properties

Computed structural properties

XLogP
2.8
Topological polar surface area
28.2 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
1
Rotatable bonds
1
Heavy atoms
8
Formal charge
0
Complexity
70.8

Experimental & physicochemical properties

Boiling Point158.00 °C. @ 760.00 mm Hg

Physicochemical properties

Melting point
-68.5 °C · -68.5°C
Boiling point
160.15 °C · 160.15°C
Density
0.9618 · 0.9618
refractive index
1.5048 · 1.5048
storage temp.
2 · 2-8°C(protect from light)
Odor
0.1 % · at 0.10 % in propylene glycol. sulfurous ethereal solvent fruity burnt
Odor Type
sulfurous
Henry's Law Constant
1.2 · 1.2×10-3 mol/(m3Pa) at 25℃, Yaws et al. (2003)
LogP
3.348 · 3.348 (est)
CAS DataBase Reference
40323 · 40323-88-4
NIST Chemistry Reference
2 · Thiophene, 2-ethyl-5-methyl-(40323-88-4)
Comptox DTXSID
30334522 · DTXSID30334522

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 3 items

This chemical does not meet GHS hazard criteria for 94.7% (89 of 94) of all reports.

Not Classified

Aggregated GHS information provided per 94 reports by companies from 3 notifications to the ECHA C&L Inventory.

Hazard information

Regulatory Information · 2 items

Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)

Thiophene, 2-ethyl-5-methyl-: Does not have an individual approval but may be used under an appropriate group standard

Hazard Classes and CategoriesNot Classified

Safety data

ridadr
1993
hs_code
2934999090
risk_code
36/37/38
Signal word
Warning
Symbol(GHS)
GHS02
safety_code
26-36/37/39
hazard_class
3
packing_group
III
Hazard statements
H226
Precautionary statements
P210-P240-P241-P280a-P303+P361+P353-P501a

Chemistry & industry

Pharmacology

Cellular LocationsMembrane

Upstream & downstream products

Upstream raw materials

HexamethylphosphoramideHydrazinium hydroxide solution2-EthylthiopheneN,N-DimethylformamideTetrahydrofuranEthylene glycoln-Butyllithium

Downstream products

Thiophene(SIV) (9CI)2-Methylthiophene5-Ethyl-2-thiophenecarboxaldehyde

Related reactions

0 records
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Compound notes

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On this pageBasic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
More actions
New noteNew reactionRequest quotes
Symbol(GHS)
2 · GHS02
Signal word
Warning
Hazard statements
226 · H226
Precautionary statements
210 · P210-P240-P241-P280a-P303+P361+P353-P501a
Risk Statements
36 · 36/37/38
Safety Statements
26 · 26-36/37/39
RIDADR
1993 · 1993
HazardClass
3 · 3
PackingGroup
III
HS Code
2934999090 · 2934999090