Home > Name List By 6 > 6-oxopyran-3-carboxylic acid

CAS No 500-05-0 , 6-oxopyran-3-carboxylic acid

  • Name: 6-oxopyran-3-carboxylic acid
  • Synonyms: 2H-Pyran-5-carboxylic acid; 500-05-0; 2-Oxopyran-5-carboxylic acid;6-oxopyran-3-carboxylic acid; 2-oxo-; Cumalic acid;2-Oxo-2H-pyran-5-carboxylic acid;
  • CAS Registry Number:
  • Melting Point: 203-205 ºC (DEC.)
  • Flash Point: 137.3°C
  • Boiling Point: 218 ºC (120 MMHG)
  • Density: 1.542g/cm3
  • Safety Statements: S22;S24/25
  • Hazard Symbols: Xi
  • Flash Point: 137.3°C
  • EINECS: 207-899-0
  • Molecular Weight: 140.09356
  • InchiKey: ORGPJDKNYMVLFL-UHFFFAOYSA-N
  • InChI: InChI=1S/C6H4O4/c7-5-2-1-4(3-10-5)6(8)9/h1-3H,(H,8,9)
  • Risk Statements: S22;S24/25
  • Molecular Formula: C6H4O4
  • Molecular Structure:CAS No:500-05-0 6-oxopyran-3-carboxylic acid

Related products

Search by region :

Select to

500-05-0 Coumalic acid

  • Coumalic acid
  • Netherlands Vitas-M Laboratory [Manufacturer]
  • Tel: +31 (0)55 50 500 33
  • Fax: +31 (0)55 50 500 34
  • Address: PO Box 200477302 HA ApeldoornNETHERLANDS 7302 HA Apeldoorn,nullNetherlands
Contact Supplier

500-05-0 Coumalic Acid

  • India JAI RADHE SALES null
  • Fax: 0091-79-26569884
  • Address: 309/310 HARIKRUPA TOWER,NR.OLD SHARDA MANDIR CHAR RASTA,ELLISBRIDGE ,AHMEDABAD,GUJRAT , INDIA. null,nullIndia
Contact Supplier

500-05-0 Coumalic acid

  • Coumalic acid
  • United States Carbomer, Inc. [Manufacturer]
  • Tel: 858-552-0992/ (800) 239-7129
  • Fax: 858-552-0999
  • Address: PO Box 261026-1026
    San Diego, CA 92196 null,nullUnited States
Contact Supplier

500-05-0 Coumalic Acid

  • China Shanghai Zealing Chemical Co., Ltd. [Manufacturers]
  • Tel: +86-(21)-51581920
  • Fax: +86-(21)-51581922
  • Address: 7th Block, No.237 Xitai Road, Shanghai, shangahi 200232, shanghai,shanghaiChina
Contact Supplier

500-05-0 COUMALIC ACID

  • China Avosyn Chemical [Manufacturer]
  • Tel: +86-21-68870871
  • Fax: +86-21-68870871
  • Address: Hangzhou Gulf Fine Chemical Zone,
    Zhejiang, 312300, China null,nullChina
Contact Supplier

500-05-0 Coumalic Acid

  • India Shreeji Pharma International [Manufacturers]
  • Tel: +91-265-3019110
  • Fax: +91-265-2465036
  • Address: FF/10, Narsinghdham Complex, Sangam Chararasta, Harni Road, Vadodara, Gujarat 390018, Vadodara,GujaratIndia
Contact Supplier

500-05-0 Coumalic Acid

  • China Epochem Co., Ltd. [Manufacturers]
  • Tel: +86-(21)-6760-1595
  • Fax: +86-(21)-6760-1605
  • Address: Building No 7, Xinfei Road 1500, Songjiang Industrial Zone, Songjiang, Shanghai 201611, Shanghai,ShanghaiChina
Contact Supplier

500-05-0 COUMALIC ACID

  • India JAI RADHE SALES [Manufacturer]
  • Tel: +91-79-26431096/ +91-79-65255722
  • Fax: +91-79-26569884
  • Address: JAI RADHE SALES,
    309/310 HARIKRUPA TOWER,
    NR.OLD SHARDA MANDIR CHAR RASTA,
    ELLISBRIDGE, AHMEDABAD-
    380 006 GUJRAT, INDIA null,nullIndia
Contact Supplier

500-05-0 Coumalic Acid

Contact Supplier

500-05-0 Coumalic acid

  • Coumalic acid
  • India Unisource India [Manufacturer]
  • Tel: +91 22052250
  • Fax: +91-22-22019990
  • Address: 69 DEVCHHAYA, HAJI ALI, MUMBAI 400 034 INDIA ,nullIndia
Contact Supplier

Select to

2/3
Previous 1 2 3 Next
References of 6-oxopyran-3-carboxylic acid
Title: Coumalic Acid
CAS Registry Number: 500-05-0
CAS Name: 2-Oxo-1,2H-pyran-5-carboxylic acid
Synonyms: a-pyrone-5-carboxylic acid
Molecular Formula: C6H4O4
Molecular Weight: 140.09
Percent Composition: C 51.44%, H 2.88%, O 45.68%
Literature References: Prepd by heating anhydr malic acid with oleum: v. Pechmann, Ann. 264, 262, 272 (1891); Wiley, Smith, Org. Synth. coll. vol. IV, 201 (1963).
Properties: Bright yellow prisms from methanol, mp 205-210° (partial decompn). bp120 218°; sublimes partially. Sparingly sol in cold water. Dec by boiling water. Sol in alcohol, glacial acetic acid. Slightly sol in ether, acetone, ethyl acetate. Insol in chloroform, benzene, ligroin.
Melting point: mp 205-210° (partial decompn)
Boiling point: bp120 218°
 
Derivative Type: Methyl ester
Molecular Formula: C7H6O4
Molecular Weight: 154.12
Percent Composition: C 54.55%, H 3.92%, O 41.52%
Properties: Leaflets from ligroin, mp 73-74°. bp60 178-180°. bp760 250-260°.
Melting point: mp 73-74°
Boiling point: bp60 178-180°; bp760 250-260°
 
Derivative Type: Ethyl ester
Molecular Formula: C8H8O4
Molecular Weight: 168.15
Percent Composition: C 57.14%, H 4.80%, O 38.06%
Properties: Crystals, mp 36°. bp760 262-265°. Distills without decompn.
Melting point: mp 36°
Boiling point: bp760 262-265°