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Maleic acid

CAS 110-16-7: Maleic acid

Description:Maleic acid, with the CAS number 110-16-7, is a colorless, odorless organic compound that belongs to the class of unsaturated dicarboxylic acids. It has the molecular formula C4H4O4 and features two carboxylic acid groups (-COOH) attached to a double-bonded carbon framework. Maleic acid is known for its ability to undergo various chemical reactions, including isomerization to form fumaric acid, which is its geometric isomer. It is soluble in water and polar organic solvents, making it useful in various applications, including as a building block in the synthesis of polymers, resins, and agricultural chemicals. Maleic acid is also utilized in the production of maleic anhydride, which is a key intermediate in the manufacture of several industrial products. Additionally, it exhibits mild acidity and can act as a chelating agent. However, it is important to handle maleic acid with care, as it can be irritating to the skin and eyes.

Formula:C4H4O4

InChI:InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-

InChI key:InChIKey=VZCYOOQTPOCHFL-UPHRSURJSA-N

SMILES:O=C(O)C=CC(=O)O

  • Synonyms:
  • (2E)-but-2-enedioic acid
  • (2Z)-2-Butenedioic acid
  • (2Z)-Butene-2-dioic acid
  • (2Z)-but-2-enedioic acid
  • (Z)-2-Butenedioic acid
  • (Z)-Butenedioic acid
  • 1,2-Ethylene dicarboxylic acid
  • 2-Butenedioic acid (2Z)-
  • 2-Butenedioic acid (Z)-
  • 2-Butenedioic acid, 2-Butenedioic acid
  • See more synonyms
  • Acide maleique
  • Acido Maleico
  • Cis-Butenedioic acid
  • Maleinic Acid
  • Maleinsaeure
  • Malenic acid
  • Malezid CM
  • Methylidenepropanedioic Acid
  • Na 2215
  • Scotchbond Multipurpose Etchant
  • Toxilic acid
  • cis-1,2-Ethylenedicarboxylic acid
  • cis-2-Butenedioic acid
  • Maleic acid
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BrandProduct dataPurityPrice rangeEstimated delivery
TCI logo
Maleic Acid
REF: 3B-M0006
CAS: 110-16-7
>99.0%(T)28.00 €~39.00 €Wed 26 Feb 25
Alfa Aesar By Thermo Fisher Scientific logo
Maleic acid, 98+%
REF: 02-A14596
CAS: 110-16-7
98+%To inquireThu 27 Feb 25
Acros logo
Maleic Acid, 99%
REF: AC-12523
CAS: 110-16-7
99%To inquireMon 03 Mar 25
EDQM - European Pharmacopoeia logo
Maleic acid CRS
REF: 41-M0100000
CAS: 110-16-7
- - -115.00 €Mon 03 Mar 25
USP logo
Maleic Acid
REF: 45-1374500
CAS: 110-16-7
- - -1,411.00 €Tue 04 Mar 25
Indagoo logo
Maleic Acid
REF: IN-DA0038ZI
CAS: 110-16-7
95%To inquireWed 05 Mar 25
Glentham logo
Maleic acid
REF: 7W-GK3899
CAS: 110-16-7
99.0 - 101.0 % (dried substance)18.00 €~368.00 €Thu 06 Mar 25
Cygnus logo
BCIP/NBT Substrate
REF: 5M-F064
CAS: 110-16-7
- - -353.00 €Thu 06 Mar 25
TLC logo
Maleic Acid
REF: 4Z-M-111003
CAS: 110-16-7
- - -To inquireThu 06 Mar 25
Apollo Scientific logo
Maleic acid
REF: 54-OR17920
CAS: 110-16-7
By hplc: 99.7% (Typical Value in Batch COA)57.00 €~136.00 €Thu 06 Mar 25
Mikromol logo
Maleic Acid
REF: 86-MM1439.00-0250
CAS: 110-16-7
- - -780.00 €Mon 10 Mar 25
Doctor Ehrenstorfer logo
Maleic acid
REF: 04-C14726000
CAS: 110-16-7
- - -59.00 €Mon 10 Mar 25
Fluorochem logo
Maleic acid
REF: 10-F152300
CAS: 110-16-7
99.0%25.00 €~224.00 €Mon 10 Mar 25
Targetmol logo
Maleic acid
REF: TM-T4913
CAS: 110-16-7
≥98%39.00 €~107.00 €Wed 12 Mar 25
Phytolab logo
Maleic acid
REF: 5G-80142
CAS: 110-16-7
≥ 98.0 % (HPLC)70.00 €~1,156.00 €Fri 14 Mar 25
TRC logo
Maleic Acid
REF: TR-M124300
CAS: 110-16-7
- - -198.00 €~260.00 €Mon 17 Mar 25
Sisco Research Laboratories logo
Maleic Acid extrapure AR, ExiPlus, Multi-Compendial, 99.5%
REF: SR-68589
CAS: 110-16-7
min. 99.5%16.00 €~22.00 €Wed 02 Apr 25
Sisco Research Laboratories logo
Maleic Acid extrapure AR, 99.5%
REF: SR-97890
CAS: 110-16-7
min. 99.5%15.00 €~39.00 €Wed 02 Apr 25
Biosynth logo
Maleic acid
REF: 3D-FM29309
CAS: 110-16-7
Min. 95%198.00 €~2,035.00 €Wed 16 Apr 25
Biosynth logo
Maleic acid - CP
REF: 3D-FM177327
CAS: 110-16-7
Min. 95%- - -Discontinued product
discount label

Maleic Acid

CAS:110-16-7

Ref: 3B-M0006

25g28.00 €
500g39.00 €
Estimated delivery in United States, on Wednesday 26 Feb 2025
discount label

Maleic acid, 98+%

CAS:110-16-7

Ref: 02-A14596

1kgTo inquire
5kgTo inquire
250gTo inquire
Estimated delivery in United States, on Thursday 27 Feb 2025
discount label

Maleic Acid, 99%

CAS:110-16-7

Ref: AC-12523

1kg73.00 €
5kg233.00 €
100g39.00 €
25kgTo inquire
Estimated delivery in United States, on Monday 3 Mar 2025
discount label

Ref: 41-M0100000

100mg115.00 €
Estimated delivery in United States, on Monday 3 Mar 2025
discount label

Maleic Acid

CAS:110-16-7

Ref: 45-1374500

300mg1,411.00 €
Estimated delivery in United States, on Tuesday 4 Mar 2025
discount label

Maleic Acid

CAS:110-16-7

Ref: IN-DA0038ZI

25g21.00 €
100g22.00 €
500g26.00 €
Estimated delivery in United States, on Wednesday 5 Mar 2025
discount label

Maleic acid

CAS:110-16-7

Ref: 7W-GK3899

1kg53.00 €
5kg128.00 €
100g18.00 €
250g22.00 €
25kg368.00 €
Estimated delivery in United States, on Thursday 6 Mar 2025
discount label

BCIP/NBT Substrate

CAS:110-16-7

Ref: 5M-F064

100ml353.00 €
Estimated delivery in United States, on Thursday 6 Mar 2025
discount label

Ref: 4Z-M-111003

5mgTo inquire
10mgTo inquire
25mgTo inquire
50mgTo inquire
100mgTo inquire
Estimated delivery in United States, on Thursday 6 Mar 2025
discount label

Maleic acid

CAS:110-16-7

Ref: 54-OR17920

10g57.00 €
25g85.00 €
100g136.00 €
Estimated delivery in United States, on Thursday 6 Mar 2025
discount label

Maleic Acid

Controlled Product
CAS:110-16-7

Ref: 86-MM1439.00-0250

250mg780.00 €
Estimated delivery in United States, on Monday 10 Mar 2025
discount label

Maleic acid

CAS:110-16-7

Ref: 04-C14726000

250mg59.00 €
Estimated delivery in United States, on Monday 10 Mar 2025
discount label

Maleic acid

CAS:110-16-7

Ref: 10-F152300

25g25.00 €
100g88.00 €
500g224.00 €
Estimated delivery in United States, on Monday 10 Mar 2025
discount label

Maleic acid

CAS:110-16-7

Ref: TM-T4913

500mg48.00 €
Estimated delivery in United States, on Wednesday 12 Mar 2025
discount label

Maleic acid

CAS:110-16-7

Ref: 5G-80142

50mg70.00 €
100mg170.00 €
250mg362.00 €
500mg638.00 €
1000mg1,156.00 €
Estimated delivery in United States, on Friday 14 Mar 2025
discount label

Maleic Acid

Controlled Product
CAS:110-16-7

Ref: TR-M124300

25g198.00 €
50g227.00 €
250g260.00 €
Estimated delivery in United States, on Monday 17 Mar 2025
discount label

Maleic Acid extrapure AR, ExiPlus, Multi-Compendial, 99.5%

CAS:110-16-7

Ref: SR-68589

100g16.00 €
500g22.00 €
Estimated delivery in United States, on Wednesday 2 Apr 2025
discount label

Maleic Acid extrapure AR, 99.5%

CAS:110-16-7

Ref: SR-97890

100g15.00 €
500g18.00 €
2.5kg39.00 €
Estimated delivery in United States, on Wednesday 2 Apr 2025
discount label

Maleic acid

CAS:110-16-7

Ref: 3D-FM29309

1kg251.00 €
2kg440.00 €
5kg732.00 €
10kg1,064.00 €
25kg2,035.00 €
Estimated delivery in United States, on Wednesday 16 Apr 2025
discount label

Maleic acid - CP

CAS:110-16-7

Discontinued product
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