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424277

Sigma-Aldrich

Poly(isobutylene-co-maleic acid) sodium salt

cross-linked

Synonym(s):

Isobutylene-maleic anhydride copolymer sodium salt

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About This Item

Linear Formula:
(C4H8)m(C4H4O4)n · xNa
CAS Number:
39612-00-5
MDL number:
MFCD00192411
UNSPSC Code:
12162002
PubChem Substance ID:
24866560

crosslinking

cross-linked

particle size

24-40 μm

capacity

300 g/g absorption capacity (distilled water)
 65 g/g absorption capacity (0.9 wt. % saline solution)

mp

>300 °C

density

1.3 g/mL at 25 °C (lit.)

SMILES string

CC(C)=C.OC(=O)\C=C\C(O)=O.OC(=O)\C=C\C(=O)O[Na]

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Application

Superabsorbent fiber. Amount of aqueous fluid absorbed decreases with increasing salt content. Stable up to 250°C

Physical form

Water-absorbing fiber,

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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