2,5-Dichlorothiophene

HCID 18501CAS 3172-52-9
Substructure searchFind similar structures

Basic information

Standard SMILES
Clc1ccc(Cl)s1
InChIKey
FGYBDASKYMSNCX-UHFFFAOYSA-N
Molecular formula
C4H2Cl2S
Average molar mass
153.03 g/mol
Monoisotopic mass
151.9254266

Names & identifiers

Preferred name
2,5-Dichlorothiophene
IUPAC
2,5-dichlorothiophene
English name
2,5-Dichlorothiophene
Molecular formula
C4H2Cl2S
Molecular weight
153.03

Names & synonyms

2,5-DICHLOROTHIOPHENE3172-52-9Thiophene, 2,5-dichloro-NSC-605277Z74FM5ZZLDTXSID6062888RefChem:897885DTXCID0038411221-638-8173777-89-42,-DichlorothiopheneMFCD00005423
Show more names
Metomidine baseDICHLOROTHIOPHENE2,5-diclorothiophene2,5-dichloro-thiophen2,6-DICHLOROTHIOPHENE2, 5-dichlorthiophene2,5-Dichlorothiophenenethiophene,2,5-dichloro-2,5-Dichlorothiophene,97%
2,5-dichloro-thiopheneThiophene, 2,5-dichloro-, radical ion(1-) (9CI)2,5-dichloro thiopheneNSC60527EINECS 221-638-8NSC 60527Thiophene,5-dichloro-BIDD:GT0088

Database identifiers

CAS
3172-52-9
PubChem CID
18501
DTXSID
DTXSID6062888
UNII
7Z74FM5ZZL
EC Number
221-638-8
Nikkaji
J80.658G

Properties

Computed structural properties

XLogP
3.5
Topological polar surface area
28.2 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
1
Rotatable bonds
0
Heavy atoms
7

Experimental & physicochemical properties

Physical DescriptionClear liquid with a stench; Darkens on storage; [Acros Organics MSDS]

Physicochemical properties

Melting point
-41 · -41--40°C
Boiling point
162 °C · 162 °C (lit.)
Density
1.442 g/mL · 1.442 g/mL at 25 °C (lit.)
refractive index
1.561 · 1.561-1.563
Flash point
59 °C · 59 °C
storage temp.
2 · 2-8°C

Safety & regulation

GHS classification

GHS Classification · 5 items

Danger

H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]；H300 (13.3%): Fatal if swallowed [Danger Acute toxicity, oral]；H341 (11.1%): Suspected of causing genetic defects [Warning Germ cell mutagenicity]

P203, P210, P233, P240, P241, P242, P243, P264, P270, P280, P301+P316, P303+P361+P353, P318, P321, P330, P370+P378, P403+P235, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 45 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.；Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Hazard information

Regulatory InformationThiophene, 2,5-dichloro-: Does not have an individual approval but may be used under an appropriate group standard
Hazards SummaryAn irritant; May cause CNS depression; [Acros Organics MSDS] See 2-Bromothiophene.
Hazard Classes and CategoriesFlam. Liq. 3 (100%)；Acute Tox. 2 (13.3%)；Muta. 2 (11.1%)

Regulatory information

Regulatory InformationThiophene, 2,5-dichloro-: Does not have an individual approval but may be used under an appropriate group standard

Safety data

wgk
3
tsca
TSCA listed
ridadr
2929
hs_code
29349990
risk_code
40-26/27/28-36/37/38-20/21/22
Signal word
Warning

Chemistry & industry

Uses & manufacturing

General Manufacturing InformationThiophene, 2,5-dichloro-: INACTIVE

Applications

Uses2,5-Dichlorothiophene is mainly used as a pharmaceutical intermediate. It is used in the synthesis of 3,4-disubstituted thiophenes.

Upstream & downstream products

Suppliers50 total

梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
河北展药生物科技有限公司15369953316 +8615369953316 · [email protected]
Hebei Yanxi Chemical Co., Ltd.+86-17531190177 · [email protected]
韶远科技（上海）有限公司021-50795510 4000665055 · [email protected]

Related reactions

9 records
New reaction record

Linked notes

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