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CAS No 6915-15-7 , 2-hydroxybutanedioic acid

  • Name: 2-hydroxybutanedioic acid
  • Synonyms: 2-Hydroxybutanedioic acid; hydroxy-; Kyselina jablecna; Butanedioic acid;DL-malic acid; malate; Pomalus acid; hydroxysuccinic acid;2-hydroxybutanedioic acid;
  • CAS Registry Number:
  • Transport: 25kgs,
  • Melting Point: 130-132 ºC
  • Flash Point: 203 ºC
  • Density: 1.609
  • Water Solubility: 558 G/L (20 ºC)
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29181980
  • Flash Point: 203 ºC
  • EINECS: 230-022-8
  • Molecular Weight: 134.08744
  • InchiKey: BJEPYKJPYRNKOW-UHFFFAOYSA-N
  • InChI: InChI=1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)
  • Risk Statements: S26;S37/39
  • Molecular Formula: C4H6O5
  • Molecular Structure:CAS No:6915-15-7 2-hydroxybutanedioic acid
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6915-15-7 DL-MALIC ACID

  • United States Great Earth Chemical, LLC [Manufacturer]
  • Tel: 503-620-7130
  • Fax: 503-670-1737
  • Address: Great Earth Chemical, LLC
    7204 SW Durham Road
    Suite 800
    Portland, Oregon 97224 null,nullUnited States
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617-48-1; 6915-15-7 DL-Malic Acid

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6915-15-7 Malic acid

  • China Shanghai Freemen Chemical null
  • Tel: +86 13764441032
  • Address: Suite 22G, No. 18 Caoxi Rd (N), Shanghai, China. null,nullChina
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617-48-1; 6915-15-7 DL-Malic acid

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617-48-1; 6915-15-7 DL Malic Acid

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6915-15-7 Malic acid

  • China Natural Chemical Co., Ltd [Manufacturers]
  • Tel: 0371-60193627
  • Fax: 0371-60193628
  • Address: Zhengtong Road Zhengzhou,HenanChina
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617-48-1; 6915-15-7 DL-Malic acid

  • China JK Bio-Chem Co., Ltd. null
  • Fax: +86-0731-88689665
  • Address: 20022 zhongtian Plaza 766# Wuyi Road Changsha China null,nullChina
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6915-15-7 Malic acid

  • China Taiyuan Qiaoyou Chemical Co., Ltd [Manufacturers]
  • Tel: +86-351-7022930
  • Fax: +86-351-7022939
  • Address: Room 106,No.C Building,Xindao Science-Tech Garden, Hi-Tech Industrial Taiyuan,shanxiChina
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6915-15-7 Malic acid

  • China Hefei Longcan Chemistry Co. Ltd [Manufacturers]
  • Tel: +86-551-5239677
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  • Address: No. 103, Science Road, Hefei city Anhui China Hefei,AnhuiChina
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6915-15-7 DL-Malic acid ; DL-Malate

  • DL-Malic acid ; DL-Malate
  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
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References of 2-hydroxybutanedioic acid
Title: Malic Acid
CAS Registry Number: 6915-15-7
CAS Name: Hydroxybutanedioic acid
Synonyms: hydroxysuccinic acid
Molecular Formula: C4H6O5
Molecular Weight: 134.09
Percent Composition: C 35.83%, H 4.51%, O 59.66%
Literature References: The naturally occurring isomer is the L-form which has been found in apples and many other fruits and plants. Prepn of D- and DL-forms, and resolution of racemic mixture: McKenzie et al., J. Chem. Soc. 123, 2875 (1923). Solubilities: Descamps, Bull. Soc. Chim. Belg. 49, 91 (1940). Microbial production of L-form: Kitahara; Abe et al., US 2972566; US 3063910 (1961, 1962, both to Kyowa). Configuration: J. A. Mills, W. Klyne in Progress in Stereochemistry vol. 1, W. Klyne, Ed. (Academic Press, New York, 1954) pp 182-183; E. L. Eliel, Stereochemistry of Carbon Compounds (McGraw-Hill, New York, 1962) pp 97-98; Cymerman-Craig, Roy, Tetrahedron 21, 1847 (1965). Review of uses: Manuf. Chem. Aerosol News 35, 56 (December, 1964). Review: S. E. Berger, "Hydroxy Dicarboxylic Acids" in Kirk-Othmer Encyclopedia of Chemical Technology vol 13 (Wiley-Interscience, New York, 3rd ed., 1981) pp 103-110.
 
Derivative Type: DL-Form
CAS Registry Number: 617-48-1
Properties: Crystals, mp 131-132°. Soly in g/100 g solvent at 20°: methanol 82.70, diethyl ether 0.84, ethanol 45.53, acetone 17.75, dioxane 22.70, water 55.8. Practically insol in benzene.
Melting point: mp 131-132°
 
Derivative Type: D-(+)-Form
CAS Registry Number: 636-61-3
Properties: Crystals, mp 101°.
Melting point: mp 101°
 
Derivative Type: L-(-)-Form
CAS Registry Number: 97-67-6
Synonyms: Apple acid
Properties: Crystals from acetone, or acetone + CHCl3, mp 100°. Dec ~140°. [a]D -2.3° (c = 8.5). Soly in g/100 g solvent at 20°: methanol 197.22, diethyl ether 2.70, ethanol 86.60, acetone 60.66, dioxane 74.35, water 36.35. Practically insol in benzene.
Melting point: mp 100°
Optical Rotation: [a]D -2.3° (c = 8.5)
 
Use: Intermediate in chemical synthesis. Chelating and buffering agent. Flavoring agent, flavor enhancer and acidulant in foods.