新戊内酯。

Description

Pivalolactone. · CAS 1955-45-9 · C5H8O2. UNII 6813U5R1GP. Solubility: 10 to 50 mg/mL at 66 °F (NTP, 1992).

Identification

CAS Registry Number	1955-45-9
PubChem CID	16059
Molecular formula	C5H8O2
IUPAC name	3,3-dimethyloxetan-2-one
UNII (FDA)	6813U5R1GP

Computed Descriptors

Molecular Weight	100.12
XLogP3	0.8
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	100.052429494
Monoisotopic Mass	100.052429494
Topological Polar Surface Area	26.3
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Solubility	10 to 50 mg/mL at 66 °F (NTP, 1992)

Physical description & handling notes

• Pivalolactone is a clear colorless liquid. (NTP, 1992)
• Clear colorless liquid; [CAMEO]

Documented Uses

• Used as intermediate for sulfur-containing pivalic acid derivatives; Not commercially produced in the US; [HSDB] Used to make thermoplastic polyesters; [Ullmann]
• CHEM INT FOR SULFUR-CONTAINING PIVALIC ACID DERIVATIVES
• ABSTRACTION OF SODIUM CHLORIDE FROM SODIUM SALT OF MONOCHLOROPIVALIC ACID
• (1977) NOT PRODUCED COMMERCIALLY IN US
• (1979) NOT PRODUCED COMMERCIALLY IN US
• 2-Oxetanone, 3,3-dimethyl-: INACTIVE

Synonyms

PIVALOLACTONE; Pivalic acid lactone; 3,3-Dimethyl-2-oxetanone; Dimethyl propiolactone; 2-Oxetanone, 3,3-dimethyl-; NCI-C04126; HSDB 4117; alpha,alpha-Dimethyl-beta-propiolactone; 3,3-Dimethyl-2-oxethanone; CCRIS 524; 3,3-Dimethyl-beta-propiolactone; UNII-6813U5R1GP; BRN 1280648; 6813U5R1GP; Propanoic acid, 3-hydroxy-2,2-dimethyl-, beta-lactone; .alpha.,.alpha.-Dimethyl-.beta.-propiolactone

Frequently Asked Questions

What are the CAS number and molecular formula of Pivalolactone.?

CAS 1955-45-9; molecular formula C5H8O2; molecular weight — g/mol.

What other names is Pivalolactone. known by?

PIVALOLACTONE, Pivalic acid lactone, 3,3-Dimethyl-2-oxetanone, Dimethyl propiolactone, 2-Oxetanone, 3,3-dimethyl-, NCI-C04126.

What are the key physical properties of Pivalolactone.?

Solubility: 10 to 50 mg/mL at 66 °F (NTP, 1992).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.