Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1-ETHYNYL-4-(METHYLSULPHONYL)-BENZENE
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 1-ETHYNYL-4-(METHYLSULPHONYL)-BENZENE
Price: ￥468.0/25mg ￥1118.0/100mg
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-ETHYNYL-4-(METHYLSULPHONYL)-BENZENE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

340771-31-5

340771-31-5 structure

340771-31-5 structure

Name: 1-ETHYNYL-4-(METHYLSULPHONYL)-BENZENE
Chemical Name: 1-ethynyl-4-methylsulfonylbenzene
CAS Number: 340771-31-5
Molecular Formula: C₉H₈O₂S
Molecular Weight: 180.22400
Create Date: 2018-12-30 21:25:03
Modify Date: 2025-09-18 20:47:23

Name	1-ethynyl-4-methylsulfonylbenzene
Synonyms	1-ethynyl-4-methanesulfonyl-benzene p-ethynylbenzenesulfonamide 1-Ethynyl-4-(methylsulfonyl)benzene 4-methanesulfonylphenyl-acetylene

Density	1.254g/cm3
Boiling Point	327.749ºC at 760 mmHg
Melting Point	95-106°C
Molecular Formula	C₉H₈O₂S
Molecular Weight	180.22400
Flash Point	187.645ºC
Exact Mass	180.02500
PSA	42.52000
LogP	2.15220
Index of Refraction	1.571
Storage condition	2-8°C

Hazard Codes	Xi
HS Code	2904100000

Precursor 3
113854-19-6 56041-85-1 3466-32-8
DownStream 0

HS Code	2904100000
Summary	2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

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