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Maleic acid

Maleic acid
Maleic acid
Chemical Name:
Maleic acid
NA 2215;Maleicaci;MALEIC ACID;malenicacid;TOXILIC ACID;maleinicacid;Malenic acid;MaleicAcidGr;MaleicAcidBp;acidemaleique
Molecular Formula:
Formula Weight:
MOL File:

Maleic acid Properties

Melting point:
137-140 °C(lit.)
Boiling point:
1.59 g/mL at 25 °C(lit.)
Flash point:
127 °C
storage temp. 
Store at RT.
1.83(at 25℃)
1.3 (100g/l, H2O, 20℃)
Water Solubility 
790 g/L (25 ºC)
Stable. Combustible. Incompatible with strong oxidizing agents, bases.
CAS DataBase Reference
110-16-7(CAS DataBase Reference)
NIST Chemistry Reference
2-Butenedioic acid (Z)-(110-16-7)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xn
Risk Statements  22-36/37/38-43
Safety Statements  26-28-37-28A-46-24
RIDADR  3261
WGK Germany  1
RTECS  OM9625000
HazardClass  8
PackingGroup  III
HS Code  29173990
Hazardous Substances Data 110-16-7(Hazardous Substances Data)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Maleic acid price More Price(15)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 63189 Maleic acid tested according to Ph.Eur. 110-16-7 1kg $217.5 2017-11-08 Buy
Sigma-Aldrich 1374500 Maleic acid United States Pharmacopeia (USP) Reference Standard 110-16-7 300mg $1110 2017-11-08 Buy
TCI Chemical M0006 Maleic Acid >99.0%(T) 110-16-7 25g $14 2017-12-01 Buy
TCI Chemical M0006 Maleic Acid >99.0%(T) 110-16-7 500g $19 2017-12-01 Buy
Alfa Aesar A14596 Maleic acid, 98+% 110-16-7 250g $28.6 2017-11-08 Buy

Maleic acid Chemical Properties,Uses,Production

Chemical Properties

White solid


ChEBI: A butenedioic acid in which the double bond has cis- (Z)-configuration.


manufacture of artificial resins; to retard rancidity of fats and oils in 1:10,000 (these are said to keep 3 times longer than those without the acid); dyeing and finishing wool, cotton, and silk; preparing the maleate salts of antihistamines and similar drugs.

General Description

Maleic acid is a colorless crystalline solid having a faint odor. Maleic acid is combustible though Maleic acid may take some effort to ignite. Maleic acid is soluble in water. Maleic acid is used to make other chemicals and for dyeing and finishing naturally occurring fibers.

Air & Water Reactions

Soluble in water.

Reactivity Profile

Maleic acid is a colorless to white crystalline solid. Moderately toxic. When heated to decomposition Maleic acid emits irritating fumes and acrid smoke [Lewis, 3rd ed., 1993, p. 790].

Health Hazard

Inhalation causes irritation of nose and throat. Contact with eyes or skin causes irritation.

Fire Hazard

Special Hazards of Combustion Products: Irritating smoke containing maleic anhydride may form in fire.

Maleic acid Preparation Products And Raw materials

Raw materials

Preparation Products

Maleic acid Suppliers

Global( 327)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
+86 (0)571-855 867 18
+86 (0)571-858 647 95 China 19953 60
Shanghai Bojing Chemical Co.,Ltd.
+86-21-37127788 CHINA 500 55
Henan Tianfu Chemical Co.,Ltd.
0371-55170693 CHINA 20810 55
Shanghai Time Chemicals CO., Ltd.
+86-021-57951555 CHINA 1374 55
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32767 55
Hefei TNJ Chemical Industry Co.,Ltd.
86-0551-65418684 18949823763
86-0551-65418684 China 1410 55
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96817 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) China 40398 62
3B Pharmachem (Wuhan) International Co.,Ltd. 86-21-50328103 * 801、802、803、804 Mobile:18930552037
86-21-50328109 China 15940 69
future industrial shanghai co., ltd 021-61552785,400-0066-400
021-55660885 China 2042 65

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