2-Benzoxazolinone, 98%

Name: 2-Benzoxazolinone, 98%
Brand: Vaqora Chemicals
SKU: VQ-012657

About 2-Benzoxazolinone, 98%

2-Benzoxazolinone (CAS 59-49-4) is a heterocyclic building block offered by Vaqora Chemicals (Puriss grade), specified at 98% purity. The compound has the formula C7H5NO2, corresponding to a molecular weight of 135.12 g/mol. Its systematic (IUPAC) name is 3H-1,3-benzoxazol-2-one. It is also known as 2-Hydroxybenzoxazole or Benzoxazolone.

In its supplied form it is white to brown powder or crystals. Key physical data: a melting point of 137-139 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for dyes and pigments manufacture and organic synthesis. Buyers come mainly from pharmaceutical manufacturing, academic and industrial research and textiles and dyeing.

Standard pack sizes are 25 g, 100 g and 5 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Dyes & pigments manufacture
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-Benzoxazolinone, 98%
Catalogue No.	VQ-012657
CAS Number	59-49-4
IUPAC name	3H-1,3-benzoxazol-2-one
Molecular formula	C₇H₅NO₂
Molecular weight	135.12 g/mol
Exact mass	135.032
Grade	Puriss
Purity / assay	98%
HSN code	29349900
InChIKey	ASSKVPFEZFQQNQ-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)NC(=O)O2
PubChem CID	6043

Physical properties
Physical form	Crystalline
Appearance	White to brown powder or crystals
Melting point	137-139 °C
LogP (XLogP3)	1.2
H-bond donors / acceptors	1 / 2
TPSA	38.3 Å²
Synonyms	2-Hydroxybenzoxazole, Benzoxazolone, 2(3H)-Benzoxazolone, benzoxazolin-2-one, benzoxazolin-2(3H)-one, benzoxalinone, benzoxazolone-2, Benzoxazolinone, 1,3-Benzoxazol-2(3H)-one, Benzo[D]Oxazol-2(3H)-One, 2-Benzoxazolol, 2-Benzoxazolone

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302+H312+H332Harmful if swallowed, in contact with skin or if inhaled
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled

Precautionary statements: P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P321, P330, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 2-Benzoxazolinone, 98%?

The CAS Registry Number of 2-Benzoxazolinone, 98% is 59-49-4. It is also known as 2-Hydroxybenzoxazole, Benzoxazolone, 2(3H)-Benzoxazolone.

What is the molecular formula and molecular weight of 2-Benzoxazolinone, 98%?

2-Benzoxazolinone, 98% has the molecular formula C7H5NO2 and a molecular weight of 135.12 g/mol. Its IUPAC name is 3H-1,3-benzoxazol-2-one.

Which grade and pack sizes of 2-Benzoxazolinone, 98% can I order?

We supply 2-Benzoxazolinone, 98% in Puriss (98%) grade, in 25 g, 100 g, 5 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Benzoxazolinone, 98%?

Yes. Every lot of 2-Benzoxazolinone, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 2-Benzoxazolinone, 98% be shipped internationally?

Yes. 2-Benzoxazolinone, 98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.