Cas no 590-93-2 (2-Butynoic acid)
2-Butynoic acid structure
Product Name:2-Butynoic acid
CAS No:590-93-2
MF:C4H4O2
MW:84.0733613967896
MDL:MFCD00004363
CID:38584
PubChem ID:24858137
Update Time:2025-04-18
2-Butynoic acid Chemical and Physical Properties
Names and Identifiers
-
- 2-Butynoic acid
- Tetrolic Acid
- but-2-ynoic acid
- 3-Methylpropiolic acid
- 1-Propynecarboxylic acid
- LUEHNHVFDCZTGL-UHFFFAOYSA-N
- Tetrolsaure
- butynoic acid
- 2-butynoicacid
- 2-butynic acid
- propinecarboxylic acid
- propynecarboxylic acid
- PubChem16226
- Tetrolic acid (8CI)
- KSC269M5J
- STL557365
- RW2061
- NSC174116
- BBL103555
- ANW-
- UNII-W3AM9ANZ22
- W-105344
- GTPL12862
- W3AM9ANZ22
- compound 15 [PMID: 21220428]
- EINECS 209-695-7
- SCA15
- 1D-262
- J-802074
- Q30693372
- NS00034082
- MFCD00004363
- AM90222
- FT-0611642
- small carboxylic acid 15
- 2-butylnoic acid
- 1D-190
- 2-Butynoic acid, 98%
- 1D-298
- DTXSID4060444
- AKOS005259791
- 0D-118
- 0D-190
- 0D-226
- 0D-262
- TetrolsA currencyure
- 0D-154
- NSC-174116
- 590-93-2
- CS-W007936
- T1199
- CHEMBL4073377
- NSC 174116
- EN300-91328
- 1D-226
- DB-020756
-
- MDL： MFCD00004363
- Inchi： 1S/C4H4O2/c1-2-3-4(5)6/h1H3,(H,5,6)
- InChI Key： LUEHNHVFDCZTGL-UHFFFAOYSA-N
- SMILES： OC(C#CC)=O
- BRN： 1740205
Computed Properties
- Exact Mass: 84.02110
- Monoisotopic Mass: 84.021
- Isotope Atom Count: 0
- Hydrogen Bond Donor Count: 1
- Hydrogen Bond Acceptor Count: 2
- Heavy Atom Count: 6
- Rotatable Bond Count: 0
- Complexity: 112
- Covalently-Bonded Unit Count: 1
- Defined Atom Stereocenter Count: 0
- Undefined Atom Stereocenter Count : 0
- Defined Bond Stereocenter Count: 0
- Undefined Bond Stereocenter Count: 0
- Surface Charge: 0
- Tautomer Count: nothing
- XLogP3: 0.8
- Topological Polar Surface Area: 37.3
Experimental Properties
- Color/Form: White to Yellow Solid
- Density: 0.964(lit.)
- Melting Point: 78-80?°C (lit.)
- Boiling Point: 203°C(lit.)
- Flash Point: 200-203°C
- Refractive Index: 1.3918 (estimate)
- Solubility: water: soluble50mg/mL, clear to very slightly hazy, colorless to very faintly yellow
- Water Partition Coefficient: Soluble in water. Slightly soluble in methanol and chloroform.
- PSA: 37.30000
- LogP: 0.09430
- pka: 2.62(at 25℃)
- FEMA: 2692
2-Butynoic acid Security Information
-
Symbol:
- Prompt：dangerous
- Signal Word：Danger
- Hazard Statement： H314
- Warning Statement： P280,P305+P351+P338,P310
- Hazardous Material transportation number：UN 3261 8/PG 2
- WGK Germany：3
- Hazard Category Code： 34
- Safety Instruction： S26-S27-S36/37/39-S45
-
Hazardous Material Identification：
- Packing Group：II
- Hazard Level：8
- Safety Term：8
- Packing Group：II
- Risk Phrases：R20/21/22; R34
- HazardClass：8
- PackingGroup：III
- TSCA：Yes
- Storage Condition：Store at room temperature
2-Butynoic acid Customs Data
- HS CODE：2916190090
- Customs Data：
China Customs Code:
2916190090Overview:
2916190090 Other unsaturated acyclic monocarboxylic acids(Including its anhydride\Acyl halide,Peroxides and peroxyacids and their derivatives).Regulatory conditions:AB(Customs clearance form for Inbound Goods,Customs clearance form for outbound goods).VAT:17.0%.Tax refund rate:9.0%.MFN tariff:6.5%.general tariff:30.0%
Declaration elements:
Product Name, component content, use to, Acrylic acid\Acrylates or esters shall be packaged clearly
Regulatory conditions:
A.Customs clearance form for Inbound Goods
B.Customs clearance form for outbound goodsInspection and quarantine category:
R.Sanitary supervision and inspection of imported food
S.Sanitary supervision and inspection of exported food
M.Import commodity inspection
N.Export commodity inspectionSummary:
2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives.supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward).VAT:17.0%.tax rebate rate:9.0%.MFN tariff:6.5%.general tariff:30.0%
2-Butynoic acid Pricemore >>
| Related Categories | No. | Product Name | Cas No. | Purity | Specification | Price | update time | Inquiry |
|---|---|---|---|---|---|---|---|---|
| XI GE MA AO DE LI QI （ SHANG HAI ） MAO YI Co., Ltd. | 303666-1G |
2-Butynoic acid |
590-93-2 | 98% | 1G |
￥378.11 | 2022-02-24 | |
| XI GE MA AO DE LI QI （ SHANG HAI ） MAO YI Co., Ltd. | 303666-5G |
2-Butynoic acid |
590-93-2 | 98% | 5G |
￥1209.72 | 2022-02-24 | |
| CHENG DOU FEI BO YI YAO Technology Co., Ltd. | FD02357-100g |
But-2-ynoic Acid |
590-93-2 | 95% | 100g |
$335 | 2023-09-07 | |
| SHANG HAI MAI KE LIN SHENG HUA Technology Co., Ltd. | B802931-100g |
2-Butynoic acid |
590-93-2 | 98% | 100g |
2,168.00 | 2021-05-17 | |
| SHANG HAI YI EN HUA XUE JI SHU Co., Ltd. | R011341-1g |
2-Butynoic acid |
590-93-2 | 98% | 1g |
￥29 | 2024-05-22 | |
| SHANG HAI YI EN HUA XUE JI SHU Co., Ltd. | R011341-25g |
2-Butynoic acid |
590-93-2 | 98% | 25g |
￥342 | 2024-05-22 | |
| SHANG HAI YI EN HUA XUE JI SHU Co., Ltd. | R011341-5g |
2-Butynoic acid |
590-93-2 | 98% | 5g |
￥91 | 2024-05-22 | |
| TRC | B809725-1g |
2-Butynoic Acid |
590-93-2 | 1g |
$ 57.00 | 2023-09-08 | ||
| TRC | B809725-2.5g |
2-Butynoic Acid |
590-93-2 | 2.5g |
$ 121.00 | 2023-09-08 | ||
| TRC | B809725-5g |
2-Butynoic Acid |
590-93-2 | 5g |
$ 190.00 | 2023-09-08 |
2-Butynoic acid Suppliers
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier
(CAS:590-93-2)2-丁炔酸
Order Number:LE2463354
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:38
Price ($):discuss personally
Email:[email protected]
Suzhou Senfeida Chemical Co., Ltd
Gold Member
Audited Supplier
(CAS:590-93-2)2-Butynoic acid
Order Number:sfd13661
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:36
Price ($):discuss personally
Email:[email protected]
Amadis Chemical Company Limited
Gold Member
Audited Supplier
(CAS:590-93-2)2-Butynoic acid
Order Number:A832153
Stock Status:in Stock
Quantity:25g/500g/10g/100g
Purity:99%
Pricing Information Last Updated:Monday, 2 September 2024 15:26
Price ($):359.0/525.0/179.0/1145.0
Email:[email protected]
2-Butynoic acid Related Literature
-
1. 843. The reaction of sodamide with αβ-acetylenic acids and their derivativesJ. Cymerman Craig,M. Moyle J. Chem. Soc. 1963 4402
-
2. 843. The reaction of sodamide with αβ-acetylenic acids and their derivativesJ. Cymerman Craig,M. Moyle J. Chem. Soc. 1963 4402
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Paul Schmid,Matthias Maier,Hendrik Pfeiffer,Anja Belz,Lucas Henry,Alexandra Friedrich,Fabian Sch?nfeld,Katharina Edkins,Ulrich Schatzschneider Dalton Trans. 2017 46 13386
-
4. Reduction of allenes and acetylenes by catalytic and chemical methods: ‘molecular queueing’ effects in competitive hydrogenationLeslie Crombie,Peter A. Jenkins,John Roblin J. Chem. Soc. Perkin Trans. 1 1975 1099
-
5. Researches on acetylenic compounds. Part XLIX. The preparation and ultraviolet absorption spectra of the stereoisomeric conjugated hexadienoic and hexenynoic acidsJ. L. H. Allan,E. R. H. Jones,M. C. Whiting J. Chem. Soc. 1955 1862
Related Categories
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- Solvents and Organic Chemicals Organic Compounds Acids/Esters
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