Catalog Number
ACMA00017263
Product Name
Zinc stearate
Category
Polymers; PVC Stabilizers
Description
Zinc stearate is a white, hydrophobic powder with a slight, characteristic odor. Mp: 130°C. Density: 1.1 g cm-3. Insoluble in water, ethyl alcohol and diethyl ether. Soluble in acids. Non-toxic. In technical grades, the percentage of zinc may vary according to the intended use. Products with less than the theoretical amount of zinc are more acidic.;DryPowder; DryPowder, OtherSolid; DryPowder, PelletsLargeCrystals, WetSolid; Liquid; OtherSolid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid; WetSolid;WHITE FINE SOFT POWDER.;Soft, white powder with a slight, characteristic odor.;Soft, white powder with a slight, characteristic odor.
IUPAC Name
zinc;octadecanoate
Molecular Weight
632.3g/mol
Molecular Formula
C36H70O4Zn;Zn(C18H35O2)2;C36H70O4Zn
Canonical SMILES
CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Zn+2]
InChI
InChI=1S/2C18H36O2.Zn/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2
InChI Key
XOOUIPVCVHRTMJ-UHFFFAOYSA-L
Melting Point
266 °F (NIOSH, 2016);130 °C;130 °C;266°F;266°F
Flash Point
530 °F (NIOSH, 2016);530 °F Open Cup;277 °C o.c.;530°F (open cup);(oc) 530°F
Density
1.1 (NIOSH, 2016);1.095 g/cu cm;1.1 g/cm³;1.10;1.10
Solubility
Insoluble (NIOSH, 2016);Soluble in benzene; insoluble in water, alcohol and ether;Soluble in acids and common solvents when hot;Solubility in water: none;Insoluble
Color/Form
White powder free from gritiness;Fine, soft, bulky powder
Covalently-Bonded Unit Count
3
EC Number
209-151-9;257-363-5
Exact Mass
630.456553g/mol
MeSH Entry Terms
aluminum monostearate;aluminum tristearate;ammonium stearate;calcium stearate;magnesium stearate;octadecanoic acid;sodium stearate;stearic acid;zinc stearate
Monoisotopic Mass
630.456553g/mol
Odor
Faint odor;Slight, characteristic odor
Other Experimental
Decomp by dilute acids;Hydrophobic
Vapor Pressure
0 mm Hg (approx) (NIOSH, 2016);0 mmHg (approx);0 mmHg (approx)