新戊酸

Description

Pivalic Acid · CAS 75-98-9 · C5H10O2. UNII 813RE8BX41. Boiling Point: 325 to 327 °F at 760 mmHg (USCG, 1999); Boiling Point: 163.8 °C; Boiling Point: 164.00 °C. @ 760.00 mm Hg.

Identification

CAS Registry Number	75-98-9
PubChem CID	6417
Molecular formula	C5H10O2
IUPAC name	2,2-dimethylpropanoic acid
UNII (FDA)	813RE8BX41

Computed Descriptors

Molecular Weight	102.13
XLogP3	1.5
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	102.068079557
Monoisotopic Mass	102.068079557
Topological Polar Surface Area	37.3
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Boiling Point	325 to 327 °F at 760 mmHg (USCG, 1999)
Boiling Point	163.8 °C
Boiling Point	164.00 °C. @ 760.00 mm Hg
Boiling Point	164 °C
Boiling Point	163.8 °C @760 [mm Hg]
Melting Point	35.5 °C
Melting Point	35 °C
Melting Point	36 °C
Flash Point	147.2 °F (USCG, 1999)
Flash Point	64 °C

Physical description & handling notes

• TRIMETHYLACETIC ACID is a colored crystalline solid of low toxicity that is soluble in water, ethyl alcohol and diethyl ether.
• Other Solid; Liquid
• Colorless to white solid or colorless liquid; [ICSC] White low melting solid; mp = 33-35 deg C; [MSDSonline]
• Solid
• COLOURLESS LIQUID OR COLOURLESS-TO-WHITE CRYSTALS WITH PUNGENT ODOUR.
• Colorless cyrstals

GHS Hazard Classification

Reported hazard statements	H302 (100%), H312 (18.8%), H314 (18.4%), H315 (81.6%), H319 (81.2%), H332 (18.4%), H336, H371

Documented Uses

• Used to make pharmaceuticals and as a veterinary medication; [HSDB] Also used to make other organic chemicals, as an additive to gasoline and aviation fuel, in gas permeable membranes, and in optical materials (plastic lenses and coating applications); [CHEMINFO]
• Petroleum Production and Refining [Category: Industry]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Intermediate, as a replacement for some natural materials
• ... finds numerous uses in the production of polymers and resins, pharmaceuticals, agricultural chemicals, cosmetics, fuels, lubricants and transmission fluids.
• Prodrug ... to improve the bioavailability of therapeutic candidates.

Synonyms

Pivalic acid; 75-98-9; Trimethylacetic acid; 2,2-DIMETHYLPROPANOIC ACID; 2,2-Dimethylpropionic acid; Neopentanoic acid; tert-Pentanoic acid; Propanoic acid, 2,2-dimethyl-; Versatic 5; Kyselina pivalova; alpha,alpha-Dimethylpropionic acid; 2,2-dimethyl-propanoic acid; DTXSID8026432; 813RE8BX41; NSC-65449; DTXCID106432

Frequently Asked Questions

What are the CAS number and molecular formula of Pivalic Acid?

CAS 75-98-9; molecular formula C5H10O2; molecular weight — g/mol.

What other names is Pivalic Acid known by?

Pivalic acid, 75-98-9, Trimethylacetic acid, 2,2-DIMETHYLPROPANOIC ACID, 2,2-Dimethylpropionic acid, Neopentanoic acid.

Is Pivalic Acid classified as hazardous?

Hazard statements reported: H302, H312, H314, H315, H319.

What are the key physical properties of Pivalic Acid?

Boiling Point: 325 to 327 °F at 760 mmHg (USCG, 1999); Boiling Point: 163.8 °C; Boiling Point: 164.00 °C. @ 760.00 mm Hg; Boiling Point: 164 °C.

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.