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2-Butynoic acid

2-Butynoic acid
2-Butynoic acid structure
CAS No.
590-93-2
Chemical Name:
2-Butynoic acid
Synonyms
2-Butynoic;TETROLIC ACID;Butynoic acid;2-BUTYNOIC ACID;2-Butynoate acid;BUT-2-YNOIC ACID;2-Butynoicacid,98%;2-BUTYNOIC ACID 98%;Methylpropynoic acid;Methylpropiolic acid
CBNumber:
CB6194374
Molecular Formula:
C4H4O2
Formula Weight:
84.07
MOL File:
590-93-2.mol

2-Butynoic acid Properties

Melting point:
78-80 °C(lit.)
Boiling point:
200-203°C
Density 
0,9641 g/cm3
refractive index 
1.3918 (estimate)
Flash point:
200-203°C
storage temp. 
2-8°C
solubility 
water: soluble50mg/mL, clear to very slightly hazy, colorless to very faintly yellow
form 
Powder
pka
2.62(at 25℃)
color 
White to yellow
Water Solubility 
Soluble in water. Slightly soluble in methanol and chloroform.
BRN 
1740205
CAS DataBase Reference
590-93-2(CAS DataBase Reference)
NIST Chemistry Reference
2-Butynoic acid(590-93-2)
EPA Substance Registry System
2-Butynoic acid(590-93-2)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  C
Risk Statements  34-20/21/22
Safety Statements  26-27-36/37/39-45
RIDADR  UN 3261 8/PG 2
WGK Germany  3
TSCA  Yes
HazardClass  8
PackingGroup  II
HS Code  29161900
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P310 Immediately call a POISON CENTER or doctor/physician.
P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P405 Store locked up.

2-Butynoic acid price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 303666 2-Butynoic acid 98% 590-93-2 1g $44.4 2018-11-13 Buy
Sigma-Aldrich 303666 2-Butynoic acid 98% 590-93-2 5g $157 2018-11-13 Buy
TCI Chemical T1199 Tetrolic Acid >98.0%(GC)(T) 590-93-2 1g $20 2018-11-22 Buy
TCI Chemical T1199 Tetrolic Acid >98.0%(GC)(T) 590-93-2 5g $67 2018-11-22 Buy
Alfa Aesar A15542 2-Butynoic acid, 98% 590-93-2 5g $146 2018-11-13 Buy

2-Butynoic acid Chemical Properties,Uses,Production

Chemical Properties

white to yellow powder

Uses

Synthon employed in a variety of reactions, including cycloacylation of phenols to flavones and chromones,1 and cyclization to γ-butyrolactones.2

2-Butynoic acid Preparation Products And Raw materials

Raw materials

Preparation Products


2-Butynoic acid Suppliers

Global( 184)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
+86 (0)571-855 867 18
+86 (0)571-858 647 95 sales@capotchem.com China 19918 60
Henan DaKen Chemical CO.,LTD.
+86-371-55531817
info@dakenchem.com CHINA 21935 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 20676 55
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32452 55
Jiangsu Qingquan Chemical Co., Ltd.
+86-571-86589381/86589382/86589383
lyy@qqpharm.com sales1@qqpharm.com CHINA 176 55
ATK CHEMICAL COMPANY LIMITED
+86 21 5161 9050/ 5187 7795
+86 21 5161 9052/ 5187 7796 ivan@atkchemical.com CHINA 24196 60
Chongqing Chemdad Co.,Ltd
+86-19923101450
sales@chemdad.com CHINA 4002 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 25796 58
Changzhou Ansciep Chemical Co., Ltd.
+86 519 86305871
+86 519 86305879 sales@ansciepchem.com CHINA 3111 58
Chemwill Asia Co.,Ltd.
86-21-51086038
86-21-51861608 chemwill_asia@126.com;sales@chemwill.com;chemwill@hotmail.com;chemwill@gmail.com CHINA 23958 58

View Lastest Price from 2-Butynoic acid manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-04 2-Butynoic acid
590-93-2
US $500.00 / KG 1KG 98% 1ton career henan chemical co

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