Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-ethynyl-1,3-benzodioxole
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-ETHYNYL-BENZO[1,3]DIOXOLE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 5-ethynyl-1,3-benzodioxole
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
Purity: 97.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

57134-53-9

57134-53-9 structure

57134-53-9 structure

Name: 5-ethynyl-1,3-benzodioxole
Chemical Name: 5-ethynyl-1,3-benzodioxole
CAS Number: 57134-53-9
Molecular Formula: C₉H₆O₂
Molecular Weight: 146.143
Create Date: 2018-12-27 19:21:26
Modify Date: 2025-08-25 22:57:58

Name	5-ethynyl-1,3-benzodioxole
Synonyms	4-ethynyl-1,2-methylenedioxybenzene EINECS 260-583-4 1,3-Benzodioxole, 5-ethynyl- 1,3-Benzodioxole,5-ethynyl 5-ethynyl-1,3-benzodioxole 5-Ethynylbenzo-1,3-dioxole

Density	1.2±0.1 g/cm3
Boiling Point	222.9±29.0 °C at 760 mmHg
Melting Point	31ºC
Molecular Formula	C₉H₆O₂
Molecular Weight	146.143
Flash Point	90.1±23.8 °C
Exact Mass	146.036774
PSA	18.46000
LogP	2.26
Vapour Pressure	0.1±0.4 mmHg at 25°C
Index of Refraction	1.596

HS Code	2932999099

Precursor 8
768-60-5 289680-84-8 120-57-0 90965-06-3
596118-98-8 3162-29-6 2635-13-4 533-31-3
DownStream 3
3162-29-6 16900-54-2 904813-74-7

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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