Stearic anhydride

Base Information

• Chemical Name: Stearic anhydride
• CAS No.: 638-08-4
• Molecular Formula: C36H70O3
• Molecular Weight: 550.95
• Hs Code.: 29159000
• European Community (EC) Number: 211-318-6
• DSSTox Substance ID: DTXSID101014665
• Nikkaji Number: J24.136I
• Mol file: 638-08-4.mol

Synonyms:Stearic anhydride;638-08-4;Stearicanhydride;octadecanoyl octadecanoate;Octadecanoic acid, anhydride;Stearic acid anhydride;Octadecanoic anhydride;Octadecanoic acid, 1,1'-anhydride;EINECS 211-318-6;MFCD00009004;C36H70O3;Octadecanoic anhydride #;SCHEMBL152597;DTXSID101014665;AKOS016015529;Stearic anhydride, >=97.0% (GC);HY-W127547;AS-56857;CS-0185772;FT-0632713;S0083;A24504;D82072;Benzene-1,2-disulfonic acid dichloride;o-Benzenedisulfonylchlorid

Chemical Property of Stearic anhydride

Chemical Property:

• Appearance/Colour: white powder
• Vapor Pressure: 3.43E-11mmHg at 25°C
• Melting Point: 70-72 °C(lit.)
• Refractive Index: 1.459
• Boiling Point: 526.9 °C at 760 mmHg
• Flash Point: 236.1 °C
• PSA: 43.37000
• Density: 0.883 g/cm³
• LogP: 12.57920
• Storage Temp.: Store at 0°C
• XLogP3: 16.7
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 34
• Exact Mass: 550.53249609
• Heavy Atom Count: 39
• Complexity: 458

Purity/Quality:

98%,99%, ^*data from raw suppliers

Stearic Anhydride >97.0%(T) ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: CCCCCCCCCCCCCCCCCC(=O)OC(=O)CCCCCCCCCCCCCCCCC

Technology Process of Stearic anhydride

There total 15 articles about Stearic anhydride which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 98.0%

stearic acid (57-11-4) → stearic anhydride (638-08-4)

Guidance literature:

With acetic anhydride; at 140 ℃; for 0.5h;

DOI:10.1007/s11746-012-2165-0

Reference yield: 95.0%

potassium stearate (593-29-3) + stearic acid (57-11-4) → stearic anhydride (638-08-4)

Guidance literature:

stearic acid; With trichloroisocyanuric acid; triphenylphosphine; In dichloromethane; at 0 - 20 ℃;

potassium stearate; In dichloromethane; at 20 ℃; for 1.25h;

DOI:10.1515/chempap-2015-0042

Reference yield: 94.0%

Stearoyl chloride (112-76-5) → stearic anhydride (638-08-4)

Guidance literature:

With bis(triphenylphosphine)dichlorocobalt(II); tetrabutylammomium bromide; sodium hydrogencarbonate; In benzene; at 120 ℃; for 12h;

DOI:10.1080/00397919408010249

upstream raw materials:

sodium stearate

acetic anhydride

stearic acid

Stearoyl chloride

Downstream raw materials:

N-Stearoyl-thiocarbamidsaeure-O-p-tolylester

2-hydroxymethyl-2-octadecanoyloxymethyl-1-trityloxypropane

Octadecanoic acid (S)-1-octadecanoyloxymethyl-3-((2S,3S,4R,5S,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-propyl ester

(2S,3R,4E)-3-O-benzoyl-2-octadecanamido-4-octadecene-1,3-diol

Refernces

• 1、 -. "METHOD FOR SEPARATING HIGH-BOILING CARBOXYLIC ACID VINYL ESTER/CARBOXYLIC ACID MIXTURES". Paragraph 0035-0037. . Retrieved 2017/05/15.
• 2、 Mccallum, Terry,Barriault, Louis. "Light-enabled synthesis of anhydrides and amides". . p. 2874 - 2878. Retrieved 2015/03/30.