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-keto-3-butynoic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

56842-75-2

56842-75-2 structure

56842-75-2 structure

Name: 2-keto-3-butynoic acid
Chemical Name: 2-oxobut-3-ynoic acid
CAS Number: 56842-75-2
Molecular Formula: C₄H₂O₃
Molecular Weight: 98.05690
Create Date: 2017-02-13 10:51:46
Modify Date: 2025-08-23 01:37:37

Names
Properties

Name	2-oxobut-3-ynoic acid
Synonyms	2-Oxo-3-butynoate 3-Butynoic acid,2-oxo 2-Oxo-3-butynoicacid 2-Keto-3-butynoic acid

Density	1.399g/cm3
Boiling Point	231.3ºC at 760mmHg
Molecular Formula	C₄H₂O₃
Molecular Weight	98.05690
Flash Point	108ºC
Exact Mass	98.00040
PSA	54.37000
Index of Refraction	1.482

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