ChemicalBook--->CAS DataBase List--->471-25-0

471-25-0

471-25-0 Structure

471-25-0 Structure
IdentificationMore
[Name]

Propiolic acidd
[CAS]

471-25-0
[Synonyms]

2-PROPYNIOC ACID
2-PROPYNOIC ACID
ACETYLENECARBOXYLIC ACID
PROPARGYLIC ACID
PROPIOLIC ACID
Propiolic acidd
PROPYNOIC ACID
Carboxyacetylene
HCequivCCOOH
Propinoic acid
propiolic
Acetylenecarboxylic acid~Propargylic acid~Propynoic acid
Propiolic acid, 98+%
Acetylene monocarboxylic acid
PROPIOLIC ACID, 80% SOLUTION in THF
PROPIOLIC ACID: 80% (CONTAINS 20% THF)
Acetylenecarboxylic acid, Propynoic acid
2-Propyne-1-carboxylic acid
Propynoate
[EINECS(EC#)]

207-437-8
[Molecular Formula]

C3H2O2
[MDL Number]

MFCD00004360
[Molecular Weight]

70.05
[MOL File]

471-25-0.mol
Chemical PropertiesBack Directory
[Appearance]

viscous yellow liquid
[Melting point ]

16-18 °C (lit.)
[Boiling point ]

102 °C/200 mmHg (lit.)
[density ]

1.138 g/mL at 25 °C(lit.)
[refractive index ]

n20/D 1.431(lit.)
[Fp ]

138 °F
[storage temp. ]

2-8°C
[solubility ]

Chloroform (Soluble), Methanol (Soluble)
[form ]

Liquid After Melting
[pka]

1.84(at 25℃)
[color ]

Clear colorless to light brown
[Specific Gravity]

1.138
[Stability:]

Stable. Incompatible with bases, oxidizing agents, reducing agents. Combustible.
[Water Solubility ]

miscible
[Merck ]

14,7824
[BRN ]

878176
[InChI]

1S/C3H2O2/c1-2-3(4)5/h1H,(H,4,5)
[InChIKey]

UORVCLMRJXCDCP-UHFFFAOYSA-N
[SMILES]

OC(=O)C#C
[CAS DataBase Reference]

471-25-0(CAS DataBase Reference)
[NIST Chemistry Reference]

Propiolic acid(471-25-0)
[EPA Substance Registry System]

471-25-0(EPA Substance)
Safety DataBack Directory
[Symbol(GHS) ]

Flame (GHS02)Corrosion (GHS05)Skull and Crossbones (GHS06)
GHS02,GHS05,GHS06
[Signal word ]

Danger
[Hazard statements ]

H226-H301-H310-H314
[Precautionary statements ]

P210-P233-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
[Hazard Codes ]

T
[Risk Statements ]

R24/25:Toxic in contact with skin and if swallowed .
R34:Causes burns.
R25:Toxic if swallowed.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S24/25:Avoid contact with skin and eyes .
S7/9:Keep container tightly closed and in a well-ventilated place .
[RIDADR ]

UN 2920 8/PG 2
[WGK Germany ]

3
[RTECS ]

UD9300000
[F ]

3-8
[TSCA ]

Yes
[REACH Registrations]

Active
[HazardClass ]

8
[PackingGroup ]

II
[HS Code ]

29161980
[Storage Class]

3 - Flammable liquids
[Hazard Classifications]

Acute Tox. 2 Dermal
Acute Tox. 3 Oral
Eye Dam. 1
Flam. Liq. 3
Skin Corr. 1B
[Hazardous Substances Data]

471-25-0(Hazardous Substances Data)
[Toxicity]

guinea pig,LD50,skin,100mg/kg (100mg/kg),"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4953, 1982.
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Fuming sulfuric acid-->Chromium(VI) oxide-->Propargyl alcohol-->SODIUM ACETYLIDE
[Preparation Products]

3-Aminoisoxazole-->3-oxopregn-4-ene-21,17alpha-carbolactone-->Androst-5-ene-3,17-diol-17-propanoic acid lactone-->3,17-Dihydroxyandrost-5-ene-17-propionic acid phtassium salt-->Benzene, 1,1'-(1,3-butadiyne-1,4-diyl)bis[4-fluoro--->3,4-Dimethylbenzoic acid-->trans-3-Chloroacrylic acid-->7,8-Dihydroxycoumarin-->4,4'-Difluorodiphenylacetylene-->Propiolic acid, (p-chlorophenyl)- (8CI)-->PROPYNAL-->Di-p-tolylacetylene-->cis-3-Chloroacrylic acid-->2-Hexynoic acid
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

2-Propynoic acid(471-25-0).msds
Hazard InformationBack Directory
[Chemical Properties]

viscous yellow liquid
[Uses]

Propiolic acid is an intermediate in monohalogenated acetylene synthesis and a corrosion inhibitor for steel.
[Definition]

ChEBI: A terminal acetylenic compound that is a 3-carbon, straight-chain, monounsaturated fatty acid having one acetylenic bond.
[References]

[1] Elmer Raunio, Louis Remsberg and Jr. “Notes- Potassium Hydroxide as a Catalyst for the Condensation of Propiolic Acid or Propiolic Esters with Ketones.” The Journal of Organic Chemistry 25 8 (1960): 1436–1437.
[2] K. Okuma, Toshiyuki Shigetomi, M. Koda. “Reaction of Selenoketones with Propiolic Acid.” Phosphorus Sulfur and Silicon and The Related Elements 9 5 1 (2008): 1057–1060.
[3] Dirk Hollenw?ger* and Andreas J. Kornath. “Synthesis and Structure of Protonated Propiolic Acid.” The Journal of Organic Chemistry 89 16 (2024): 11421-11428 11421-11428.
Spectrum DetailBack Directory
[Spectrum Detail]

Propiolic Acid(471-25-0)MS
Propiolic Acid(471-25-0)1HNMR
Propiolic Acid(471-25-0)IR1
Propiolic Acid(471-25-0)Raman
Propiolic Acid(471-25-0)ESR
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Propiolic acid, 98%(471-25-0)
[Alfa Aesar]

Propiolic acid, 98+%(471-25-0)
[Sigma Aldrich]

471-25-0(sigmaaldrich)
[TCI AMERICA]

Propiolic Acid,>97.0%(GC)(T)(471-25-0)
471-25-0 suppliers list
Company Name: Shanghai GaoLang Chemical Technology Co., Ltd.  Gold
Telephone: 021-57340939 18017297327;18916191449
Website: http://www.gaolangchemical.com/
Company Name: Changzhou Share Chemical Co., Ltd  Gold
Telephone: 0519-82619998
Website: http://www.sharechem.com
Company Name: Shanghai Record Pharmaceuticals Co., Ltd.  Gold
Telephone: 021-62506791 17321028908
Website: www.recordpharm.com.cn/
Company Name: Meryer (Shanghai) Chemical Technology Co., Ltd.  
Telephone: 4006356688 18621169109
Website: www.x-labseek.com/
Company Name: Alfa Aesar  
Telephone: 400-6106006
Website: http://chemicals.thermofisher.cn
Company Name: TCI (Shanghai) Development Co., Ltd.  
Telephone: 021-67121386
Website: https://www.tcichemicals.com/CN/zh/
Company Name: Energy Chemical  
Telephone: 400-0056266
Website: www.energy-chemical.com
Company Name: Jia Xing Isenchem Co.,Ltd  
Telephone: 0573-85285100 18627885956
Website: https://www.chemicalbook.com/ShowSupplierProductsList14265/0_EN.htm
Company Name: Shanghai Hanhong Scientific Co.,Ltd.  
Telephone: 021-54306202 13764082696
Website: https://www.hanhongsci.com
Company Name: Shandong Xiya Chemical Co., Ltd  
Telephone: 13355009207 13355009207
Website: http://www.xiyashiji.com
Company Name: Sichuan Kulinan Technology Co., Ltd  
Telephone: 400-1166-196 18981987031
Website: http://www.hx-r.com/
Company Name: Tianjin heowns Biochemical Technology Co., Ltd.  
Telephone: 400 638 7771
Website: www.heowns.com
Company Name: Sinopharm Chemical Reagent Co,Ltd.  
Telephone: 86-21-63210123
Website: www.reagent.com.cn
Company Name: Nanjing Kaitian Chemical Co., Ltd.  
Telephone: +86 (25) 5860-8846
Website: www.kt-chem.com
Company Name: Nanjing Vital Chemical Co., Ltd.  
Telephone: Please Send Email 18652950785
Website: www.chemicalbook.com/ShowSupplierProductsList15337/0_EN.htm
Company Name: Aemon Chemical  
Telephone: 0086-755-86198205
Website: www.aemonchem.com
Company Name: Shanghai yirong biology science and technology co., ltd  
Telephone: 18049974220
Website: www.nuohey.com
Company Name: Chengdu Ai Keda Chemical Technology Co., Ltd.  
Telephone: 4008-755-333 18080918076
Website: http://www.aikeshiji.com
Tags:471-25-0 Related Product Information
77-92-9 57-11-4 59-30-3 55896-93-0 623-47-2 922-67-8 7341-96-0 4341-76-8 142-45-0 590-93-2 928-04-1 111-12-6 5663-96-7 23326-27-4 13831-03-3 764-33-0 4891-38-7 111-80-8