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ChemicalBook >> CAS DataBase List >> Maleic acid

Maleic acid

Maleic acid price.
  • $10 - $2720
  • Product name: Maleic acid
  • CAS: 110-16-7
  • MF: C4H4O4
  • MW: 116.07
  • EINECS:203-742-5
  • MDL Number:MFCD00063177
  • Synonyms:1,2-Ethylenedicarboxylic acid, (Z);1,2-ethylenedicarboxylicacid,(z) ;2-Butenedioicacid(Z)- ;acidemaleique ;Butenedioic acid,(Z)-;cis-Ethylene-1,2-dicar-boxylicacid ;kyselinamaleinova ;maleinicacid
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  • ManufacturerAK Scientific
  • Product numberG480
  • Product descriptionMaleic acid
  • Packaging25g
  • Price$14
  • Updated2021-12-16
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  • ManufacturerAK Scientific
  • Product numberJ52434
  • Product descriptionMaleic acid
  • Packaging4x25g
  • Price$29
  • Updated2021-12-16
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  • ManufacturerAlfa Aesar
  • Product numberA14596
  • Product descriptionMaleic acid, 98+%
  • Packaging250g
  • Price$29.1
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product numberA14596
  • Product descriptionMaleic acid, 98+%
  • Packaging1000g
  • Price$70.9
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product numberA14596
  • Product descriptionMaleic acid, 98+%
  • Packaging5000g
  • Price$221.65
  • Updated2024-03-01
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  • ManufacturerApolloscientific
  • Product numberOR17920
  • Product descriptionMaleic acid
  • Packaging25g
  • Price$18
  • Updated2021-12-16
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  • ManufacturerApolloscientific
  • Product numberOR17920
  • Product descriptionMaleic acid
  • Packaging100g
  • Price$22
  • Updated2021-12-16
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  • ManufacturerChemScene
  • Product numberCS-0015079
  • Product descriptionMaleic acid 99.86%
  • Packaging5g
  • Price$60
  • Updated2021-12-16
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  • ManufacturerDC Chemicals
  • Product numberDCM-057
  • Product descriptionMaleic acid >98%,StandardReferencesGrade
  • Packaging20mg
  • Price$280
  • Updated2021-12-16
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  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK573897
  • Product descriptionMaleic acid 99%
  • Packaging1000g
  • Price$50
  • Updated2021-12-16
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  • ManufacturerGFS CHEMICALS
  • Product number17282
  • Product descriptionMALEICACID,99%
  • Packaging2.5kg
  • Price$174.16
  • Updated2021-12-16
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  • ManufacturerMatrix Scientific
  • Product number133859
  • Product description(2Z)-But-2-enedioicacid 95%+
  • Packaging100mg
  • Price$53
  • Updated2021-12-16
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  • ManufacturerMatrix Scientific
  • Product number133859
  • Product description(2Z)-But-2-enedioicacid 95%+
  • Packaging500mg
  • Price$87
  • Updated2021-12-16
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  • ManufacturerMatrix Scientific
  • Product number133859
  • Product description(2Z)-But-2-enedioicacid 95%+
  • Packaging2.500g
  • Price$215
  • Updated2021-12-16
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  • ManufacturerOakwood
  • Product number152300
  • Product descriptionMaleic acid 99%
  • Packaging5g
  • Price$10
  • Updated2021-12-16
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  • ManufacturerOakwood
  • Product number152300
  • Product descriptionMaleic acid 99%
  • Packaging25g
  • Price$15
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific G480 Maleic acid 25g $14 2021-12-16 Buy
AK Scientific J52434 Maleic acid 4x25g $29 2021-12-16 Buy
Alfa Aesar A14596 Maleic acid, 98+% 250g $29.1 2024-03-01 Buy
Alfa Aesar A14596 Maleic acid, 98+% 1000g $70.9 2024-03-01 Buy
Alfa Aesar A14596 Maleic acid, 98+% 5000g $221.65 2024-03-01 Buy
Apolloscientific OR17920 Maleic acid 25g $18 2021-12-16 Buy
Apolloscientific OR17920 Maleic acid 100g $22 2021-12-16 Buy
ChemScene CS-0015079 Maleic acid 99.86% 5g $60 2021-12-16 Buy
DC Chemicals DCM-057 Maleic acid >98%,StandardReferencesGrade 20mg $280 2021-12-16 Buy
Frontier Specialty Chemicals JK573897 Maleic acid 99% 1000g $50 2021-12-16 Buy
GFS CHEMICALS 17282 MALEICACID,99% 2.5kg $174.16 2021-12-16 Buy
Matrix Scientific 133859 (2Z)-But-2-enedioicacid 95%+ 100mg $53 2021-12-16 Buy
Matrix Scientific 133859 (2Z)-But-2-enedioicacid 95%+ 500mg $87 2021-12-16 Buy
Matrix Scientific 133859 (2Z)-But-2-enedioicacid 95%+ 2.500g $215 2021-12-16 Buy
Oakwood 152300 Maleic acid 99% 5g $10 2021-12-16 Buy
Oakwood 152300 Maleic acid 99% 25g $15 2021-12-16 Buy

Properties

Melting point :130-135 °C (lit.)
Boiling point :275°C
Density :1.59 g/mL at 25 °C (lit.)
vapor pressure :0.001Pa at 20℃
refractive index :1.5260 (estimate)
Flash point :127 °C
storage temp. :Store below +30°C.
solubility :478.8g/l
pka :1.83(at 25℃)
form :Powder/Solid
Specific Gravity :1.59
color :White
PH :3.05(1 mM solution);2.21(10 mM solution);1.54(100 mM solution);
Water Solubility :790 g/L (25 ºC)
Merck :14,5703
BRN :605762
Stability :Stable. Combustible. Incompatible with strong oxidizing agents, bases.
InChIKey :VZCYOOQTPOCHFL-OWOJBTEDSA-N
LogP :-1.3 at 20℃
CAS DataBase Reference :110-16-7(CAS DataBase Reference)
NIST Chemistry Reference :2-Butenedioic acid (Z)-(110-16-7)
EPA Substance Registry System :Maleic acid (110-16-7)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning GHS hazard pictograms P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger GHS hazard pictograms P280, P305+P351+P338, P310
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Maleic acid, also known as maleinic acid and toxilic acid, is a white crystalline (monoclinic) powder and possesses a faint acidulous odor and an astringent taste. It is soluble in water and alcohol. Maleic acid and fumaric acid are the simplest unsaturated carboxylic diacids. These acids experience two-step dissociation in aqueous solutions.They have the same structural formula but different spatial configurations. Fumaric acid is the trans and maleic acid the cis isomer. The physical properties of maleic acid and fumaric acid are very different. The cis isomer is less stable. Maleic acid is used in the preparation of fumaric acid by catalytic isomerization.

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