Home > Name List By 3 > 3-hydroxy-2-methylpyran-4-one

CAS No 118-71-8 , 3-hydroxy-2-methylpyran-4-one

  • Name: 3-hydroxy-2-methylpyran-4-one
  • Synonyms: Vetol; 3-Hydroxy-2-methyl-4H-pyran-4-one;3-Hydroxy-2-methyl-4-pyrone; 118-71-8; Larixinic acid;3-hydroxy-2-methylpyran-4-one; Larixic acid; Talmon; Palatone;
  • CAS Registry Number:
  • Transport: 25kgs
  • Melting Point: 160-164 ºC
  • Flash Point: 127.3°C
  • Boiling Point: 170 ºC (10 MMHG)
  • Density: 1.046 g/mL at 25 °C
  • Refractive index: 20/D 1.541
  • Water Solubility: 1.2 G/100 ML (25 ºC)
  • Safety Statements: R22;R36/37/38
  • Hazard Symbols: Xn: Harmful;
  • HS Code: 29329995
  • Flash Point: 127.3°C
  • EINECS: 204-271-8
  • Molecular Weight: 126.11004
  • InchiKey: XPCTZQVDEJYUGT-UHFFFAOYSA-N
  • InChI: InChI=1S/C6H6O3/c1-4-6(8)5(7)2-3-9-4/h2-3,8H,1H3
  • Risk Statements: S26;S37/39
  • Molecular Formula: C6H6O3
  • Molecular Structure:CAS No:118-71-8 3-hydroxy-2-methylpyran-4-one

Related products

Search by region :

Select to

118-71-8 MALTOL

Contact Supplier

118-71-8 MALTOL

  • China YANGZHOU CHEMICAL CO.,LTD. [Manufacturers]
  • Tel: 86-514-87864167
  • Fax: +86-514-87859301,87859302,87859303
  • Address: 7/F,18 WEST WENCHANG ROAD,YANGZHOU,JIANGSU,CHINA yangzhou,jiangsuChina
Contact Supplier

118-71-8 MALTOL

  • China CHINA CHEM SOURCE (HK) CO.,LTD. [Manufacturer]
  • Tel: +86-411-82808830
  • Fax: +86-411-82809230
  • Address: CHINA CHEM SOURCE (HK) CO.,LTD.
    RM.1628, Bank of East Asia Mansion
    7 Renmin Road, Zhongshan District,
    Dalian, China, 116001 null,nullChina
Contact Supplier

118-71-8 Praline

  • China Anhui Haibei Import & Export Co., Ltd. [Importer/Exporter]
  • Tel: +86-(551)-3653857
  • Fax: +86-(551)-3632153
  • Address: Room 711 HuiKang Building , No.361 Jixi Road, Hefei City, Anhui Province 230022, Hefei,AnhuiChina
Contact Supplier

118-71-8 3-hydroxy-2-methyl-4-pyrone

Contact Supplier

118-71-8 3-hydroxy-2-methyl-4-pyrone

  • United States Moore Ingredients, Ltd. [Manufacturers]
  • Tel: (513) 881-7144
  • Fax: 513.881.7145
  • Address: 9047 Sutton Place Hamilton, Ohio 45011 Hamilton,OhioUnited States
Contact Supplier

118-71-8 Maltol

  • China EASYBUYER LTD., [Manufacturers]
  • Tel: +86-21-35015877 +86-13701868511
  • Fax: +86-21-35010877
  • Address: Room 407, Building 10, Hi-Shanghai Center, No.990 Dalian Rd,Shanghai 200092 China null,ShanghaiChina
Contact Supplier

118-71-8 Maltol

  • China NORBRIGHT INDUTRY CO., LTD null
  • Fax: +86+22+6622-2078
  • Address: E7602+03, BINHAI JINRONGJIE, 20 GUANGCHANGDONG ROAD,TEDA, TIANJIN 300457 CHINA null,nullChina
Contact Supplier

118-71-8 MALTOL

  • China GREMOUNT INTERNATIONAL COMPANY LIMITED [Manufacturer]
  • Tel: +86-010-58674921/ +86-010-58674922
  • Fax: +86-10-58674920
  • Address: RM1209, Plaza A, Freetown Center,
    No.58, South Road Dongsanhuan,
    Chaoyang District,
    Beijing, China 100022 null,nullChina
Contact Supplier

118-71-8 3-Hydroxy-2-methyl-4-pyrone

  • China Unispec Chemicals Co.ltd null
  • Fax: +86-25-52337971/52337978
  • Address: B2302 Technology Building, No.5 New Model Road, Nanjing, China P.C null,nullChina
Contact Supplier

Select to

6/10
Previous 1 2 3 4 5 6 7 8 9 10 Next
References of 3-hydroxy-2-methylpyran-4-one
Title: Maltol
CAS Registry Number: 118-71-8
CAS Name: 3-Hydroxy-2-methyl-4H-pyran-4-one
Synonyms: 3-hydroxy-2-methyl-4-pyrone; 3-hydroxy-2-methyl-g-pyrone; larixinic acid; palatone; veltol
Molecular Formula: C6H6O3
Molecular Weight: 126.11
Percent Composition: C 57.14%, H 4.80%, O 38.06%
Literature References: Found in the bark of young larch trees (Larix decidua Mill.), in pine needles (Abies alba Mill., Pinaceae), in chicory, in wood tars and oils, in roasted malt. Isoln from these sources and structure: Kiliani, Bazlen, Ber. 27, 3115 (1894); Feuerstein, Ber. 34, 1804 (1901); Erdmann, Schaefer, Ber. 43, 2398 (1910); Reichstein, Beitter, Ber. 63, 824 (1930), cf. Peratoner, Tamburello, Chem. Zentralbl. 76, II 680 (1905). Also obtained by alkaline hydrolysis of streptomycin salts: Schenck, Spielman, J. Am. Chem. Soc. 67, 2276 (1945). Synthesis: Spielman, Freifelder, ibid. 69, 2908 (1947); Chawla, McGonigal, J. Org. Chem. 39, 3281 (1974). Novel high-yield synthesis: T. M. Brennan et al., Tetrahedron Lett. 1978, 331; P. D. Weeks et al., J. Org. Chem. 45, 1109 (1980). History and comparison with isomaltol: Hodge, Nelson, Cereal Chem. 38, 207 (1961).
Properties: Monoclinic prisms from chloroform, orthorhombic bipyramidal crystals + monoclinic prisms from 50% alcohol, mp 161-162°. Fragrant, caramel-like odor. Begins to sublime at 93°. Volatile with steam. uv max (0.1N HCl): 274 nm (Em 8400); (0.1N NaOH): 317 nm (Em 7300). pH of 0.5% aq soln 5.3. One gram dissolves in 85 ml water. Freely sol in hot water, chloroform; sol in alcohol; sparingly sol in benzene, ether, petr ether; sol in aq alkali hydroxides giving yellow solns.
Melting point: mp 161-162°
Absorption maximum: uv max (0.1N HCl): 274 nm (Em 8400); (0.1N NaOH): 317 nm (Em 7300)
Use: Flavoring agent, to impart "freshly baked" odor and flavor to bread and cakes.