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Zinc Stearate

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Identification
Molecular formula
C36H70O4Zn
CAS number
557-05-1
IUPAC name
zinc;octadecanoate
State
State

At room temperature, zinc stearate exists in a solid state, specifically as a powder. Its properties contribute to its use in various industrial and cosmetic applications as a lubricant and release agent.

Melting point (Celsius)
120.00
Melting point (Kelvin)
393.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
631.27g/mol
Molar mass
631.2730g/mol
Density
1.0950g/cm3
Appearence

Zinc stearate is a white, fluffy powder that is extremely fine and soft to the touch. It is chemically a zinc soap and is insoluble in water but soluble in alcohol and ethers. This compound has the unique ability to repel water, giving it a very dry texture.

Comment on solubility

Solubility of Zinc Octadecanoate

Zinc octadecanoate, with the chemical formula Zn(C18H36O2)2, displays interesting properties regarding its solubility that are essential for various applications.

In general, the solubility of zinc octadecanoate can be influenced by several factors:

  • Polarity: Zinc octadecanoate is a fatty acid salt, which is typically more soluble in non-polar solvents due to its long hydrocarbon chain.
  • Temperature: The solubility may increase with temperature; heating the solution can dissolve more of the compound.
  • pH Levels: The solubility can also vary based on the pH of the solution, as the ionization of the compound may be affected.

However, it is important to note that:

  • It generally shows limited solubility in water, which is typical for compounds with long hydrocarbon chains.
  • In organic solvents like toluene or xylene, zinc octadecanoate exhibits better solubility.

In summary, understanding the solubility characteristics of zinc octadecanoate is vital for its effective utilization in applications such as catalysis, as well as in the formulation of certain materials. The relationship between its physical structure and solubility behavior highlights the importance of selecting appropriate solvents in various chemical processes.

Interesting facts

Interesting Facts about Zinc Octadecanoate

Zinc octadecanoate, often used in various industrial applications, is a compound that merits attention due to its unique properties and functionalities. Here are some fascinating insights:

  • Versatility in Applications: Zinc octadecanoate plays a crucial role in various fields, including plastics, rubber, and coatings. It acts as a stabilizer and lubricant, enhancing the performance of materials.
  • Heat Stabilization: This compound is particularly effective in the stabilization of polyvinyl chloride (PVC) when exposed to heat. Its presence can help prolong the lifespan of materials by preventing degradation.
  • Green Chemistry: As an additive, zinc octadecanoate aligns well with the principles of green chemistry. It is considered a less harmful alternative to some traditional stabilizers that may pose environmental risks.
  • Biocompatibility: With applications in the biomedical field, this compound showcases interesting properties that may be beneficial in medical devices, ensuring compatibility with biological systems.
  • Chemical Reactions: Zinc octadecanoate can undergo several useful chemical transformations, making it a valuable reagent in organic synthesis.
  • Historical Significance: The use of zinc salts has deep historical roots; they have been employed in various forms for over a century in numerous chemical processes.

As scientists continue to explore the potential of zinc octadecanoate, its applications are expected to expand, particularly in sustainable practices and innovative materials.

Synonyms
ZINC STEARATE
557-05-1
Zinc octadecanoate
Zinc distearate
Zn Stearate
Octadecanoic acid, zinc salt
Metallac
Hydense
Hytech
Mathe
Talculin Z
Unichem ZS
Stavinor ZN-E
Dermarone
Synpro stearate
Dibasic zinc stearate
Metasap 576
Petrac ZN-41
Synpro stearate (VAN)
Stearic acid, zinc salt
Witco Zinc Stearate USP
Stearic acid zinc salt
H92E6QA4FV
zinc dioctadecanoate
51731-04-5
Octadecanoic acid, zinc salt, basic
EINECS 257-363-5
Octadecanoic acid, zinc salt (2:1)
ZINC STEARATE [II]
ZINC STEARATE [MI]
ZINC STEARATE [HSDB]
ZINC STEARATE [VANDF]
ZINC STEARATE [MART.]
ZINC STEARATE [USP-RS]
ZINC STEARATE [WHO-DD]
DTXSID7027209
ZINC STEARATE [EP MONOGRAPH]
NSC-25957
ZINC STEARATE [USP MONOGRAPH]
ZINC STEARATE (II)
ZINC STEARATE (MART.)
ZINC STEARATE (USP-RS)
ZINC STEARATE (EP MONOGRAPH)
ZINC STEARATE (USP MONOGRAPH)
209-151-9
Zinc salt of stearic acid
Stavinor ZNE
Antidust 2
zinc stearic acid
Afco-chem ZNS
Synpro 8
Petrac ZN41
Caswell No 926
HYMICRON LIII
LUBRAZINC W
DISPERSO D
SYNPRO ABG
SYNPRO ACF
AFCO-DISPER ZD
EFUKOKEMU ZNS-P
Hallcote ZS 5050
ZINC STEARATE G
ZINC STEARATE L
SZ-DFF
ZINC STEARATE GP
SAK-ZS-PLB
SZ-PF
SZ-PG
SZ-TF
ZNS-P
ZNS-S
SAK-ZS-P
SZ-DF-PF
ZINKUM 5
LIQUAZINC AQ 90
HIDORIN Z 7
PETRAC ZN 44HS
HIDORIN SZ 40
SYNPRO DLG 20
STAVINOR CECAVON ZN
HYMICRON ZK 349
HYMICRON F 930
HIDORIN D 523
HIDORIN E 366
HIDORIN E 619
HIDORIN F 115
HIDORIN F 930
COAD 20
HIDORIN Z 7-30
SZ-DF 2
ZINC STEARATE [INCI]
RSN 131HS
Zinc stearate (ACGIH:OSHA)
ZINC STEARATE GF 200
DLG 20
DTXCID707209
Stearic acid, zinc salt (8CI)
KV 85A1
F 155 (SALT)
DTXSID501065565
GF 200
MR 450
PG 2000
SZ 2000
F 930
zinc(2+) ion nonadecanoate octadecan-1-olate
Octadecanoic acid zinc salt, zinc octadecanoate
R 1004
Z 2000
Z 7-30
STEARATES (DOES NOT INCLUDE STEARATES OF TOXIC METALS)
257-363-5
zinc(II) stearate
Stearates
Zinc bisstearate
zinc;octadecanoate
Zinc stearate W. S
Zinc stearate [USP]
144188-98-7
Zinc stearate (USP)
Coad
Zinci stearas
Zink distearat
Zincum stearinicum
Caswell No. 926
HSDB 212
Zinc distearate, pure
EINECS 209-151-9
NSC 25957
Zinc stearate, total dust
UNII-H92E6QA4FV
EPA Pesticide Chemical Code 077002
C36H70O4Zn
AI3-00388
ZnSt
Zinc stearate, respirable fraction
starbld0000624
EC 209-151-9
SCHEMBL4923
AKOS015915230
HY-W099569
DA-59289
CS-0152211
NS00074474
D06370
A830766
Q204923