CAS 26099-09-2 Polymaleic acid, 50% in H2O - Materials / Alfa Chemistry

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Polymaleic acid, 50% in H2O

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Catalog Number

ACM26099092-1

Product Name

Polymaleic acid, 50% in H2O

Structure

CAS

26099-09-2

Category

Polymers

Description

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

IUPAC Name

(Z)-but-2-enedioic acid

Molecular Weight

116.07g/mol

Molecular Formula

C4H4O4;HOOCCH=CHCOOH;C4H4O4

Canonical SMILES

C(=CC(=O)O)C(=O)O

InChI

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

InChI Key

VZCYOOQTPOCHFL-UPHRSURJSA-N

Boiling Point

275 °F at 760 mm Hg (decomposes) (NTP, 1992)

Melting Point

266 to 268 °F (NTP, 1992);130.5 °C;Mp 300-302 ° (sealed tube);132.5 °C (OECD Guideline 102 (Melting point / Melting Range));130.5°C;131 °C

Flash Point

127 °C

Density

1.59 at 68 °F (USCG, 1999);1.590 g/cu cm at 20 °C;Relative density (water = 1): 1.59

Solubility

greater than or equal to 100 mg/mL at 66° F (NTP, 1992);7 mg/mL at 25 °C;In water, 788 g/L at 25 °C, 3926 g/L at 97.5 °C;79.000 lb/100 lb water at 77 °F;In water, 441,000 mg/L at 25 °C;Freely soluble in alcohol; soluble in acetone, glacial acetic acid; slightly soluble in ether; practically insoluble in benzene;Solubility (g/100 g) at 25 °C: benzene 0.024, chloroform 0.11, carbon tetrachloride 0.002, diethyl ether 7.57;Solubility (g/100 g): acetone 38.6 (at 20 °C), methanol 41.0 (at 22.5 °C), ethanol 30.2 (at 0 °C) and 34.4 (at 22.5 °C), 1-propanol 20.0 (at 0 °C) and 24.3 (at 22.5 °C), 2-butenenitrile 4.38 (at 50 °C);Insoluble in chloroform;441 mg/mL at 25 °C;Solubility in water, g/100ml at 25 °C: 78 (soluble)

Color/Form

Monoclinic prisms from water;White crystals from water, alcohol and benzene;Colorless crystals

Complexity

119

Corrosivity

May corrode metals when wet.

Covalently-Bonded Unit Count

EC Number

203-742-5;233-569-0

Exact Mass

116.010959g/mol

Formal Charge

Heavy Atom Count

ICSC Number

1186

Log P

-0.48 (LogP);0.46;log Kow = -0.48;-0.48;-0.5

MeSH Entry Terms

hydrogen maleate;maleate;maleic acid;maleic acid, ammonium salt;maleic acid, calcium salt;maleic acid, dipotassium salt;maleic acid, disodium salt;maleic acid, iron salt;maleic acid, monoammonium salt;maleic acid, monocopper (2+) salt;maleic acid, monosodium salt;maleic acid, neodymium salt;maleic acid, potassium salt;maleic acid, sodium salt;sodium maleate

Monoisotopic Mass

116.010959g/mol

NSC Number

25940

Odor

Faint acidulous odor

Other Experimental

Converted in part into the much higher-melting fumaric acid (MP: 287 °C) when heated to a temp slightly above the MP.;Heat of combustion: -1356.3 kJ/mol (crystal);Heat of combustion: -2,800 cal/g = -117x10+5 J/kg;log Kow = -1.3 at pH 2.5 and 20 °C;Henry's Law constant = 1.4X10-12 atm-cu m/mol at 25 °C (est);Hydroxyl radical reaction rate constant = 7.95X10-12 cu cm/molecule-sec at 25 °C (est);Ozone reaction rate constant = 8.8X10-19 cu cm/molecule-sec at 25 °C (est)

Rotatable Bond Count

RTECS Number

OM9625000

Stability

Stable under recommended storage conditions.

UNII

91XW058U2C

UN Number

2215;3261;2215

Vapor Density

4 (NTP, 1992) (Relative to Air);4.0 (Air = 1)

Vapor Pressure