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Merck
CN

80903

Sigma-Aldrich

Pivalic anhydride

purum, ≥98.0% (GC)

Synonym(s):

2,2-Dimethylpropionic anhydride

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About This Item

Linear Formula:
[(CH3)3CCO]2O
CAS Number:
1538-75-6
Molecular Weight:
186.25
Beilstein:
386552
EC Number:
216-263-1
MDL number:
MFCD00008842
UNSPSC Code:
12352100
PubChem Substance ID:
24887588

Key Documents

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grade

purum

Assay

≥98.0% (GC)

refractive index

n20/D 1.409 (lit.)
n20/D 1.409

bp

193 °C (lit.)

density

0.918 g/mL at 25 °C (lit.)

SMILES string

CC(C)(C)C(=O)OC(=O)C(C)(C)C

InChI

1S/C10H18O3/c1-9(2,3)7(11)13-8(12)10(4,5)6/h1-6H3

InChI key

PGZVFRAEAAXREB-UHFFFAOYSA-N

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Other Notes

This product has been replaced by 143502-ALDRICH | Trimethylacetic anhydride 99%

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H315,H317,H319,H335

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

162.5 °F - closed cup

Flash Point(C)

72.5 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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M Joppich et al.
Analytical biochemistry, 153(1), 159-165 (1986-02-15)
Reaction of thyroxine with ethanol and pivalic anhydride in the presence of 4-dimethylaminopyridine quantitatively forms N,O-dipivalyl thyroxine ethyl ester. Other iodothyronines react similarly and the procedure is moisture insensitive. Apparently this reaction is successful, in contrast to similar procedures reported
Isamu Shiina et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 16(1), 167-172 (2009-11-12)
A variety of optically active 2-hydroxyalkanoates and the corresponding 2-acyloxyalkanoates are produced by the kinetic resolution of racemic 2-hydroxyalkanoates by using achiral 2,2-diarylacetic acid with hindered carboxylic anhydrides as the coupling reagents. The combined use of diphenylacetic acid, pivalic anhydride

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