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Maleic anhydride

Maleic anhydride
Maleic anhydride
CAS No.
108-31-6
Chemical Name:
Maleic anhydride
Synonyms
MA;MAN;mala;BM-10;Maleic;NSC 9568;Lytron 820;NSC 137651;NSC 137652;NSC 137653
CBNumber:
CB3188060
Molecular Formula:
C4H2O3
Formula Weight:
98.06
MOL File:
108-31-6.mol

Maleic anhydride Properties

Melting point:
51-56 °C(lit.)
Boiling point:
200 °C(lit.)
Density 
1.48
vapor density 
3.4 (vs air)
vapor pressure 
0.16 mm Hg ( 20 °C)
Flash point:
218 °F
storage temp. 
Store at RT.
form 
powder
color 
White
PH
0.8 (550g/l, H2O, 20℃)Hydrolysis
explosive limit
1.4-7.1%(V)
Water Solubility 
79 g/100 mL (25 ºC)
Sensitive 
Moisture Sensitive
Merck 
14,5704
BRN 
106909
Stability:
Stable. Combustible. Incompatible with water, strong oxidizing agents, alkali metals, strong bases, amines, most common metals, polymerization catalysts and accelerators.
CAS DataBase Reference
108-31-6(CAS DataBase Reference)
NIST Chemistry Reference
2,5-Furandione(108-31-6)
EPA Substance Registry System
2,5-Furandione(108-31-6)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  C
Risk Statements  22-34-42/43
Safety Statements  22-26-36/37/39-45
RIDADR  UN 2215 8/PG 3
WGK Germany  1
RTECS  ON3675000
21
TSCA  Yes
HazardClass  8
PackingGroup  III
Hazardous Substances Data 108-31-6(Hazardous Substances Data)
Symbol(GHS):
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
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501
H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger P260, P264, P270, P307+P311, P321,P405, P501
H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
H402 Harmful to aquatic life Hazardous to the aquatic environment, acute hazard Category 3
Precautionary statements:
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P284 Wear respiratory protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P307+P311 IF exposed: call a POISON CENTER or doctor/physician.
P342+P311 IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.
P405 Store locked up.
P501 Dispose of contents/container to..…

Maleic anhydride price More Price(18)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 63200 Maleic anhydride puriss., ≥99.0% (NT) 108-31-6 100g-f $31.6 2017-11-08 Buy
Sigma-Aldrich 63200 Maleic anhydride puriss., ≥99.0% (NT) 108-31-6 500g-f $37.4 2017-11-08 Buy
TCI Chemical M0005 Maleic Anhydride >99.0%(GC)(T) 108-31-6 25g $14 2017-11-08 Buy
TCI Chemical M0005 Maleic Anhydride >99.0%(GC)(T) 108-31-6 500g $16 2017-11-08 Buy
Alfa Aesar A12178 Maleic anhydride, 98+% 108-31-6 250g $23 2017-11-08 Buy

Maleic anhydride Chemical Properties,Uses,Production

Chemical Properties

White solid

Uses

Maleic Anhydride is heterocyclic compound used in the manufacture of unsaturated polyester resins. Maleic Anhydride has a wide range of other applications; it is used in synthetic tensides, insecticides, herbicides and fungicides.

Definition

ChEBI: A cyclic dicarboxylic anhydride that is the cyclic anhydride of maleic acid.

General Description

Colorless crystalline needles, flakes, pellets, rods, briquettes, lumps or a fused mass. Melts at 113°F. Shipped both as a solid and in the molten state. Vapors, fumes and dusts strong irritate the eyes, skin and mucous membranes. Flash point 218°F. Autoignition temperature 890°F. Used to make paints and plastics and other chemicals.

Air & Water Reactions

Soluble in water. Reacts slowly with water to form maleic acid and heat.

Reactivity Profile

Maleic anhydride react vigorously on contact with oxidizing materials. Reacts exothermically with water or steam. Undergoes violent exothermic decomposition reactions, producing carbon dioxide, in the presence of strong bases (sodium hydroxide, potassium hydroxide, calcium hydroxide), alkali metals (lithium, sodium, potassium), aliphatic amines (dimethylamine, trimethylamine), aromatic amines (pyridine, quinoline) at temperatures above 150° C [Vogler, C. A. et al., J. Chem. Eng. Data, 1963, 8, p. 620]. A 0.1% solution of pyridine (or other tertiary amine) in Maleic anhydride at 185°C gives an exothermic decomposition with rapid evolution of gas [Chem Eng. News 42(8); 41 1964]. Maleic anhydride is known as an excellent dienophile in the Diels-Alder reaction to produce phthalate ester derivatives. These reactions can be extremely violent, as in the case of 1-methylsilacyclopentadiene [J. Organomet., Chem., 1979, 179, c19]. Maleic anhydride undergoes a potentially explosive exothermic Diels-Alder reaction with 1-methylsilacyclopenta-2,4-diene at 150C [Barton, T. J., J. Organomet. Chem., 1979, 179, C19], and is considered an excellent dieneophile for Diels-alder reactions [Felthouse, Timothy R. et al. "Maleic anhydride , Maleic Acid, and Fumaric Acid." Kirk-Othmer Encyclopedia of Chemical Technology. John Wiley & Sons, Inc. 2005].

Health Hazard

Inhalation causes coughing, sneezing, throat irritation. Skin contact causes irritation and redness. Vapors cause severe eye irritation; photophobia and double vision may occur.

Fire Hazard

Behavior in Fire: When heated above 300°F in the presence of various materials may generate heat and carbon dioxide. Will explode if confined.

Maleic anhydride Preparation Products And Raw materials

Raw materials

Preparation Products


Maleic anhydride Suppliers

Global( 277)Suppliers
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Capot Chemical Co.,Ltd.
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Shanghai Aladdin Bio-Chem Technology Co.,LTD 021-20337333/400-620-6333
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Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
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Alfa Aesar 400-610-6006; 021-67582000
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TCI (Shanghai) Development Co., Ltd. 800-988-0390
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Beijing dtftchem Technology Co., Ltd. 13651141086; 86(10)60275028、60275820
86 (10) 60270825 dtftchem@sina.com China 1443 62
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 info@energy-chemical.com China 44197 61
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18
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