3-Butynoic acid

Identify Properties Safty Prices Suppliers 6 Links ☰

Identify Properties Safty Prices Suppliers 6 Links

CAS 2345-51-9

Formula C4H4O2

MDL MFCD02258494

Catalog #	Product (Catalog #)	Unit	Price (US$)	Quantity
261903905217	3-Butynoic acid (261903905217)		on request	+ -

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Identify

Synonyms:

3-butynoic acid(saltdata: free) ; 3-butynoate ; ethynylacetic acid ; 2-ethynylacetic acid ; 2-ethynylaceticacid ; but-3-ynoic acid ; 3-butynoic acid 95% ; chequivcch2cooh

CAS:

2345-51-9

EINECS:

Molecular Formula:

C4H4O2

MDL:

MFCD02258494

SMILES:

OC(=O)CC#C

Properties

Molecular Weight:

84.07 g·mol−1

Density:

1.152 g/cm3

Melting point:

188-195°C

Boiling point:

194.9 °C at 760 mmHg

Flash point:

82.6 °C

Safety Information

Hazard Symbols: Xn, T

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

22-41-34-24/25 (R)

Safety Codes:

26-36-45-36/37/39 (S)

Prices

For 3-Butynoic acid we can currently show 7 prices in the last 9 years as an extract from the researched prices. This small overview is intended to serve as a guide and trend.
Prices are in USD and range in year 2017 from USD 69.00 for 30 mg to USD 56.00 per 50 mg in 2025 .

Last detected Prices

Size	Availability	Last Price	Quantity
50 mg	on request	$56.00	+ -
100 mg	on request	$75.00	+ -
500 mg	on request	$138.00	+ -
1 g	on request	$231.00	+ -

Last price review [2025-03-01]

Suppliers

Global 3-Butynoic acid Suppliers : USA (1) Germany (2) P.R.China (3)

Supplier	Phone	Fax	Country	Inquiry contact
AK Scientific, Inc.	+1 (510) 429-8835	+1 (510) 429-8836	USA	REQUEST
BIOZOL Diagnostica Vertrieb GmbH	+49-871-966346-0	+49-871-966346-13	Germany	REQUEST
BuGuCh & Partners			Germany	REQUEST
Dayang Chem (Hangzhou) Co.,Ltd.	+86-571-88938639	+86-571-8893-8652	P.R.China	REQUEST
Leap Chem Co., Ltd	+852-30606658		P.R.China	REQUEST
Xingrui Industry Co., Limited	+86-531-88980365	+86-531-88980365	P.R.China	REQUEST