ChemicalBook > CAS DataBase List > BIS(2-THIENYL) KETONE

BIS(2-THIENYL) KETONE

Product Name
BIS(2-THIENYL) KETONE
CAS No.
704-38-1
Chemical Name
BIS(2-THIENYL) KETONE
Synonyms
SKL055;NSC 36725;NSC 201397;DI-2-THIENYL KETONE;DI2-THIENYLMETHANONE;DI-2-THIENYLCARBONYL;DITHIEN-2-YLMETHANONE;BIS(2-THIENYL) KETONE;2-(2-THENOYL)THIOPHENE;Di-2-thienyl Ketone >98%
CBNumber
CB0363152
Molecular Formula
C9H6OS2
Formula Weight
194.27
MOL File
704-38-1.mol
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BIS(2-THIENYL) KETONE Property

Melting point:
90-94 °C(lit.)
Boiling point:
300.73°C (rough estimate)
Density 
1.3731 (rough estimate)
refractive index 
1.5970 (estimate)
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
solubility 
Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form 
Solid
color 
White to Pale Yellow
BRN 
129168
InChIKey
GUTQMBQKTSGBPQ-UHFFFAOYSA-N
CAS DataBase Reference
704-38-1(CAS DataBase Reference)
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Safety

WGK Germany 
3
HS Code 
29349990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

TCI Chemical
Product number
D6377
Product name
Di(thiophen-2-yl)methanone
Purity
min. 98.0 %
Packaging
1G
Price
$110
Updated
2025/07/31
TCI Chemical
Product number
D6377
Product name
Di(thiophen-2-yl)methanone
Purity
min. 98.0 %
Packaging
5G
Price
$330
Updated
2025/07/31
TRC
Product number
B585365
Product name
Bis(2-thienyl)Ketone
Packaging
10g
Price
$1455
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0029133
Product name
DI-2-THIENYL KETONE
Purity
95.00%
Packaging
2.5G
Price
$852.21
Updated
2021/12/16
SynQuest Laboratories
Product number
6H17-1-49
Product name
2,2'-Carbonyldi(thiophene)
Packaging
25g
Price
$864
Updated
2021/12/16
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BIS(2-THIENYL) KETONE Chemical Properties,Usage,Production

Chemical Properties

light brown crystalline powder

Uses

Bis(2-thienyl) Ketone (Tiotropium EP Impurity F) can be used in the synthesis of antitumor agents via the formation of hydantoins. Also is an impurity in the synthesis of Tiotropium Bromide (T444850), a muscarinic receptor antagonist. Bronchodilator.

BIS(2-THIENYL) KETONE Preparation Products And Raw materials

Raw materials

2-Thiophenecarboxylic acid Sodium chloride Thiophene Benzene Sodium hydroxide Phosphorus pentoxide PETROLEUM ETHER

Preparation Products

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View Lastest Price from BIS(2-THIENYL) KETONE manufacturers

Henan Aochuang Chemical Co.,Ltd.
Product
BIS(2-THIENYL) KETONE 704-38-1
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
1ton
Release date
2022-10-13
Zhuozhou Wenxi import and Export Co., Ltd
Product
BIS(2-THIENYL) KETONE 704-38-1
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-08-11
Career Henan Chemical Co
Product
BIS(2-THIENYL) KETONE 704-38-1
Price
US $7.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
JD 591
Release date
2019-09-01

704-38-1, BIS(2-THIENYL) KETONERelated Search:

Methyl 2,2-dithienylglycolate TiotropiuM BroMide IMpurity I Tiotropium bromide Impurity 16 (1α,2β,4β,5α)-9-Methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7α-ol 2,3-Dibromothiophene Ethanedioic acid,1-methyl ester, potassium salt (1:1) 2-HYDROXY-2,2-BIS(2-THIENYL) ACETIC ACID Scopine Methobromide Tiotropium EP Impurity C rel-(1R,3S,5S)-8-Methyl-8-azabicyclo[3,2,1]oct-6-en-yl-2-hydroxy-2,2-dithiophen-2-yl acetate (1β,5β)-8-Methyl-8-azabicyclo[3.2.1]octa-6-ene-3α-ol Aclidinium Bromide Impurity 3（(S)-Aclidinium Bromide） 2-Thiopheneacetic acid, α-hydroxy-α-2-thienyl-, (3R)-1-azabicyclo[2.2.2]oct-3-yl ester 3-Phenoxypropyl bromide Ethyl 2-hydroxy-2,2-di(thiophen-2-yl)acetate tiotropium bromide hydrate Scopine-2,2-dithienyl glycolate Tiotropium bromide

  • BIS(2-THIENYL) KETONE
  • DITHIEN-2-YLMETHANONE
  • DI-THIOPHEN-2-YL-METHANONE
  • DI-2-THIENYLCARBONYL
  • Tiotropium Bromide EP Impurity F
  • DI-2-THIENYL KETONE
  • DI2-THIENYLMETHANONE
  • 2-(2-THENOYL)THIOPHENE
  • Bis(2-thienyl)ketone~Di-2-thienyl ketone
  • 2,2'-Carbonyldi(thiophene)
  • Di-2-thienyl Ketone >98%
  • Bis(thien-2-yl)methanone
  • NSC 201397
  • NSC 36725
  • Tiotropium EP Impurity F
  • Tiotropium Bromide Impurity 6(Tiotropium Bromide EP Impurity F)
  • Methanone, di-2-thienyl-
  • BIS(2-THIENYL) KETONE ISO 9001：2015 REACH
  • SKL055
  • Tiotropium Bromide Monohydrate Impurity F
  • Tiotropium Bromide Monohydrate EP Impurity F
  • Titropium bromide EP impurity F
  • 704-38-1
  • 108656-33-6
  • Building Blocks
  • Heterocyclic Building Blocks
  • Thiophenes
  • Building Blocks
  • Heterocyclic Building Blocks
  • Thiophenes
  • Building Blocks
  • C7 to C9
  • Chemical Synthesis
  • Heterocyclic Building Blocks