Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-ethynyl-naphtalene
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Naphthylene-2-acetylene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

2949-26-0

2949-26-0 structure

2949-26-0 structure

Name: 2-ethynyl-naphtalene
Chemical Name: 2-ethynylnaphthalene
CAS Number: 2949-26-0
Molecular Formula: C₁₂H₈
Molecular Weight: 152.192
Create Date: 2018-02-17 08:00:00
Modify Date: 2025-08-25 13:02:06

Name	2-ethynylnaphthalene
Synonyms	Naphthalene, 2-ethynyl- 2-(2-naphthyl)acetylene 2-Ethynylnaphthalene Naphthylene-2-acetylene Naphthalene,2-ethynyl 2-Ethynyl Naphtalene 2-(ethynyl)naphthalene 2-ethynyl-naphtalene (2-naphthyl)acetylene

Density	1.1±0.1 g/cm3
Boiling Point	270.4±9.0 °C at 760 mmHg
Melting Point	42 °C
Molecular Formula	C₁₂H₈
Molecular Weight	152.192
Flash Point	106.3±12.9 °C
Exact Mass	152.062607
LogP	3.63
Vapour Pressure	0.0±0.3 mmHg at 25°C
Index of Refraction	1.644

Hazard Codes	Xi
HS Code	2902909090

Precursor 8
218902-65-9 90965-06-3 66-99-9 40888-19-5
93-08-3 4302-37-8 2216-69-5 612-55-5
DownStream 5
613-54-7 35699-64-0 93-08-3 13651-05-3
23975-17-9

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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