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

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

646-05-9

646-05-9 structure

646-05-9 structure

Name: 1-Pentene-3-yne
Chemical Name: pent-1-en-3-yne
CAS Number: 646-05-9
Molecular Formula: C₅H₆
Molecular Weight: 66.10110
Create Date: 2017-10-09 00:51:32
Modify Date: 2025-09-11 17:46:34

Name	pent-1-en-3-yne
Synonyms	1-Methyl-2-vinylacetylene penten-3-yne Pyrylen Methylvinylacetylene Pent-1-en-3-in Pyrylene 1-Pentene-3-yne 1-Penten-3-yne 1-Penten-3-in Vinylmethylacetylene pent-4-en-2-yne

Density	0.738g/cm3
Boiling Point	59.5ºC at 760 mmHg
Molecular Formula	C₅H₆
Molecular Weight	66.10110
Exact Mass	66.04700
LogP	1.19570
Index of Refraction	1.426

HS Code	2901299090

Precursor 9
593-60-2 74-99-7 3329-88-2 77-78-1
54106-83-1 40459-85-6 10229-10-4 75-89-8
2809-67-8
DownStream 10
504-60-9 109-67-1 109-68-2 17301-94-9
597-64-8 109-66-0 2180-43-0 7299-55-0
820964-83-8 41857-26-5

HS Code	2901299090
Summary	2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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