D-(-)-Tagatose

Also known as: D-Tagatose, D-lyxo-2-hexulose, D-lyxo-hex-2-ulose, D-lyxo-Hexulose, D-tagatopyranose, keto-D-tagatose, D-(-)-Tagatose, mixture of anomers

D-(-)-Tagatose (CAS 87-81-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H12O6 and a molecular weight of 180.156 g/mol. Key properties include a melting point of 130-136ºC, a boiling point of 551.7±50.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 301.5±26.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 87-81-0
Jingsj CID: J-25530-1
Molecular Formula: C₆H₁₂O₆
Molecular Weight: 180.156 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	130-136ºC
Boiling Point	551.7±50.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	301.5±26.6 °C
Exact Mass	180.063385
PSA	118.22000
LogP	-1.63
Vapor Pressure	0.0±3.4 mmHg at 25°C
Refractive Index	1.574
Additional Property	H2O: 0.1 g/mL, clear, colorless

Customs & Trade Information

HS Code	29400000

Frequently Asked Questions

What is the CAS number of D-(-)-Tagatose?

The CAS number of D-(-)-Tagatose is 87-81-0.

What are the molecular formula and molecular weight of D-(-)-Tagatose?

D-(-)-Tagatose has molecular formula C6H12O6 and molecular weight 180.156 g/mol.

What are the upstream and downstream products of D-(-)-Tagatose?

For D-(-)-Tagatose, Downstream Products: D-(+)-Talose, D-Galactose, 5-Hydroxymethylfurfural.

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

Last updated: 8/21/2026

How to cite: Jingsj. "D-(-)-Tagatose (CAS 87-81-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25530-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.