181099

Poly(methyl vinyl ether-alt-maleic acid)

average M_w ~1,980,000 by LS, average M_n ~960,000, powder

• Synonym(s): Methoxyethylene-maleic acid copolymer, Methyl vinyl ether-maleic acid copolymer, Poly(maleic acid-methyl vinyl ether)
• Linear Formula: [CH₂CH(OCH₃)CH(CO₂H)CH(CO₂H)]_n
• CAS Number: 25153-40-6
• MDL number: MFCD00133997
• UNSPSC Code: 12162002
• PubChem Substance ID: 24850914
• NACRES: NA.23

Properties

• form: powder
• Quality Level: 100
• mol wt: average M_n ~960,000; average M_w ~1,980,000 by LS
• pH: ~2.5 (5% in H₂O)
• SMILES string: COC=C.OC(=O)\C=C\C(O)=O
• InChI: 1S/C4H4O4.C3H6O/c5-3(6)1-2-4(7)8;1-3-4-2/h1-2H,(H,5,6)(H,7,8);3H,1H2,2H3/b2-1-;
• InChI key: HHEHWCIYDICHCG-ODZAUARKSA-N

Description

Application

Detergent builder.

Features and Benefits

Dissolves readily in water, chelates alkaline earth cations but not toxic heavy metal ions.

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves