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Calcium stearate CAS 1592-23-0

Calcium stearate is also known as calcium octadecanoate. White light crystalline powder. Chemical formula (C17H35COO)2Ca, molecular weight 607.00, melting point 179~180℃, decomposed by high heat. Insoluble in water, cold ethanol and ether, soluble in hot benzene, toluene and turpentine, slightly soluble in hot ethanol and ether. Decomposed with strong acid to stearic acid and corresponding calcium salt. Hygroscopic in air. Not resistant to degreasing microorganisms. Decomposes at high temperatures to form stearone and hydrocarbons. Non-toxic. Industrial products are often mixed with the corresponding oleate. Used as stabilizer and lubricant of PVC; halogen absorber in polyethylene and polypropylene; lubricant of polyolefin fiber and molding products; lubricant and mold releasing agent of thermosetting plastics such as phenol aldehyde and amine; thickening agent of lubricating grease; waterproofing agent of waterproof fabrics; smoothing agent of paints and lubricant of pencil core. Food grade calcium stearate is used as anti-caking agent. It is made by reacting baked stearic acid with sodium hydroxide to make a dilute soap solution and then reacting with calcium chloride.
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  • 1592-23-0

  • boss chem

  • 1592-23-0

Calcium stearate

CAS No.1592-23-0


Alias:  STEARIC ACID CALCIUM SALT;OCTADECANOIC ACID CALCIUM SALT;aquacal;calciumdistearate;calstar;dibasiccalciumstearate;flexichem;flexichemcs

Molecular formula: C36H70CaO4

Relative molecular mass: 607.02

Structural formula:

1592-23-0


1. Performance and use:

Calcium stearate also known as calcium octadecanoic acid. Light white crystalline powder. Chemical formula (C17H35COO) 2Ca. The molecular weight is 607.00. Melting point 179~180 ℃, decomposed by heat. Insoluble in water, cold ethanol and diethyl ether, soluble in hot benzene, toluene, and turpentine, slightly soluble in hot ethanol and diethyl ether. 

As non-toxic stabilizers and lubricants, mold release agents of polyvinyl chloride and water repellent of textiles.
As lubricant of coating paper and paint.
As internal lubricant and non-toxic stabilizers of polyvinyl chloride, and as mold release agents of the foundry industry.
Anti-caking agent; adhesive; emulsifier; lubricants; mold release agents; stabilizers; thickeners; flavoring agents.
As stabilizers and lubricants of polyvinyl chloride, and as non-toxic food packaging, medical devices and other soft film containers.

As a waterproofing agent, lubricant and plastic additives. It is widely used in food, medicine, cosmetics, plastics and rubber industries, mainly used for lubricants, emulsifiers, stabilizers, release agents, accelerators, cosmetic base materials.



2. Technical indicators

Calcium stearate Basic information
Product Name: Calcium stearate
CAS: 1592-23-0
MF: C36H70CaO4
MW: 607.02
EINECS: 216-472-8
Calcium stearate Chemical Properties
Melting point 147-149°C
density 1.08g/cm3
storage temp. Store at +5°C to +30°C.
solubility Soluble in hot pyridine, slightly soluble in oil, but insoluble in alcohol and ether.
form Powder
color white
Odor Fatty acid odor
PH 7-9 (2.2 mg/l, H2O, 20°C)
Water Solubility insoluble H2O, ether, chloroform; slightly soluble hot mineral oils [MER06]
Merck 141,703
BRN 3919698
InChIKey CJZGTCYPCWQAJB-UHFFFAOYSA-L
CAS DataBase Reference 1592-23-0(CAS DataBase Reference)
EPA Substance Registry System Calcium stearate (1592-23-0)

Item   Index (First-Grade)
Calcium  content  % 6.5±0.7
Free Acid  ( stearic acid ) %≤ 1
Loss on Drying ( moisture ) %≤ 3
Melting Point ℃≥ 150±5
Fineness(through 0.075mm-mesh) %≥ 99


3. Packaging and storage

Calcium stearate solid is packaged in plastic woven bags lined with polyethylene bags, with a net weight of 25kg per bag, which can also be determined according to user needs.

Store in a cool and ventilated place indoors, avoid moisture and exposure, and the storage period is twelve months.


4. Safety protection

Calcium stearate is used in oral pharmaceutical formulations and is generally regarded as a relatively nontoxic and nonirritant material.    

Calcium stearate is stable and should be stored in a well-closed container in a cool, dry place.   

 

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