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T72605

Sigma-Aldrich

Trimethylacetyl chloride

99%

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Synonym(s):
Pivaloyl chloride, Trimethylacetyl chloride
Linear Formula:
(CH3)3CCOCl
CAS Number:
3282-30-2
Molecular Weight:
120.58
Beilstein:
385668
EC Number:
221-921-6
MDL number:
MFCD00000709
UNSPSC Code:
12352100
PubChem Substance ID:
24900440
NACRES:
NA.22

vapor density

>1 (vs air)

Quality Level

200

vapor pressure

36 mmHg ( 20 °C)

Assay

99%

refractive index

n20/D 1.412 (lit.)

bp

105-106 °C (lit.)

density

0.979 g/mL at 25 °C (lit.)

SMILES string

CC(C)(C)C(Cl)=O

InChI

1S/C5H9ClO/c1-5(2,3)4(6)7/h1-3H3

InChI key

JVSFQJZRHXAUGT-UHFFFAOYSA-N

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Related Categories

Application

Widely used N-acylating agent for amines, Schiff bases, and pyrrolidinones as well as O-acylating agent for alcohols, lactones, and saccharides.

Signal Word

Danger

Hazard Statements

H225,H290,H302,H314,H330

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Met. Corr. 1 - Skin Corr. 1B

Supplementary Hazards

EUH071

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Tetrahedron, 49, 599-599 (1993)
The Journal of Organic Chemistry, 59, 1703-1703 (1994)
D Becker et al.
Carbohydrate research, 248, 129-141 (1993-10-04)
A new method has been developed for preparation of partially pivaloylated saccharides in one step from readily available starting materials. These intermediates were used in the synthesis of disaccharides and a glucosteroid.
Journal of Carbohydrate Chemistry, 12, 841-841 (1993)
K Noda et al.
International journal of peptide and protein research, 36(2), 197-200 (1990-08-01)
A series of p-nitroanilides of t-butyloxycarbonylamino acids, including Boc-Trp, Boc-Asn, Boc-Gln, Boc-Ser(But), Boc-Thr(But), Boc-Asp(OBut), Boc-Lys(TFA), and Boc-His(Boc), were prepared conveniently by the mixed anhydride method using 2,2-dimethylpropanoic chloride (pivaloyl chloride). The products were obtained in 40-60% yields after purification by
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