(R)-(-)-Benzoin

Also known as: (R)-(-)-2-Hydroxy-1,2-diphenylethanone, (R)-(-)-2-hydroxy-2-phenylacetophenone, (R)-2-Hydroxy-2-phenylacetophenone, (R)-2-hydroxy-1,2-diphenylethan-1-one, Benzoin, (-)-, Ethanone, 2-hydroxy-1,2-diphenyl-, (2R)-, MFCD00082818, UNII-BKM6YU2C5Y

(R)-(-)-Benzoin (CAS 5928-66-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H12O2 and a molecular weight of 212.24400 g/mol. Key properties include a melting point of 135-137ºC(lit.), a boiling point of 342.999ºC at 760 mmHg, a density of 1.18g/cm3 and a flash point of 154.813ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5928-66-5
Jingsj CID: J-29068-6
Molecular Formula: C₁₄H₁₂O₂
Molecular Weight: 212.24400 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	135-137ºC(lit.)
Boiling Point	342.999ºC at 760 mmHg
Density	1.18g/cm3
Flash Point	154.813ºC
Exact Mass	212.08400
PSA	37.30000
LogP	2.60290
Refractive Index	1.609

Customs & Trade Information

HS Code	2914400090
Summary	2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (R)-(-)-Benzoin?

The CAS number of (R)-(-)-Benzoin is 5928-66-5.

What are the molecular formula and molecular weight of (R)-(-)-Benzoin?

(R)-(-)-Benzoin has molecular formula C14H12O2 and molecular weight 212.24400 g/mol.

What are the upstream and downstream products of (R)-(-)-Benzoin?

For (R)-(-)-Benzoin, Upstream Products: Benzoin, Benzaldehyde, Benzil; Downstream Products: Allyl benzoate, desyl chloride, 2-Hydroxyacetophenone.

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. "(R)-(-)-Benzoin (CAS 5928-66-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29068-6 (accessed 2026-11-09).

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