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: 2-ETHYNYL-5-METHYLPYRIDINE1-OXIDE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

499187-53-0

499187-53-0 structure

499187-53-0 structure

Name: 2-ETHYNYL-5-METHYLPYRIDINE1-OXIDE
Chemical Name: 2-ethynyl-5-methyl-1-oxidopyridin-1-ium
CAS Number: 499187-53-0
Molecular Formula: C₈H₇NO
Molecular Weight: 133.14700
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Pyridine derivative
Create Date: 2018-04-24 08:00:00
Modify Date: 2025-08-31 23:02:23

Names
Properties

Name	2-ethynyl-5-methyl-1-oxidopyridin-1-ium
Synonyms	2-ETHYNYL-5-METHYLPYRIDINE 1-OXIDE 2-ethynyl-5-methyl-1-oxidanidyl-pyridin-1-ium

Density	0.958g/cm3
Boiling Point	313.691ºC at 760 mmHg
Molecular Formula	C₈H₇NO
Molecular Weight	133.14700
Flash Point	143.516ºC
Exact Mass	133.05300
PSA	25.46000
LogP	1.40480
Index of Refraction	1.506

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