(-)-Dipivaloyl-L-tartaric Acid

(-)-二特戊酰基-L-酒石酸

Also known as: (-)-Bis(2,2-dimethylpropionyl)-L-tartaric Acid, (-)-DPTA, (2R,3R)-2,3-Bis(2,2-dimethyl-1-oxopropoxy)butanedioic Acid, (2R,3R)-2,3-Bis[(2,2-dimethylpropanoyl)oxy]succinic acid, Butanedioic acid, 2,3-bis(2,2-dimethyl-1-oxopropoxy)-, (2R,3R)-, O,O'-Dipivaloyl-L-tartaric acid, MFCD00066535

(-)-Dipivaloyl-L-tartaric Acid (CAS 65259-81-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H22O8 and a molecular weight of 318.320 g/mol. It is also known as (-)-Bis(2,2-dimethylpropionyl)-L-tartaric Acid, (-)-DPTA and (2R,3R)-2,3-Bis(2,2-dimethyl-1-oxopropoxy)butanedioic Acid. Key properties include a melting point of 127-132ºC, a boiling point of 436.6±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 153.8±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
65259-81-6
Jingsj CID
J-10857-1
Molecular Formula
C14H22O8
Chinese Name
(-)-二特戊酰基-L-酒石酸
Molecular Weight
318.320 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point127-132ºC
Boiling Point436.6±45.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point153.8±22.2 °C
Exact Mass318.131470
PSA127.20000
LogP3.74
Vapor Pressure0.0±2.2 mmHg at 25°C
Refractive Index1.484

Customs & Trade Information

HS Code2918990090
Summary2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (-)-Dipivaloyl-L-tartaric Acid?

The CAS number of (-)-Dipivaloyl-L-tartaric Acid is 65259-81-6.

What are the molecular formula and molecular weight of (-)-Dipivaloyl-L-tartaric Acid?

(-)-Dipivaloyl-L-tartaric Acid has molecular formula C14H22O8 and molecular weight 318.320 g/mol.

What are the upstream and downstream products of (-)-Dipivaloyl-L-tartaric Acid?

For (-)-Dipivaloyl-L-tartaric Acid, Upstream Products: L-(+)-Tartaric acid, Pivaloyl chloride.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(-)-Dipivaloyl-L-tartaric Acid (CAS 65259-81-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10857-1 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.