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OEM/ODM China Wholesales Stevioside Tsg95ra50 Food Grade – Glyoxylic acid 298-12-4 – Starsky

Description

Product Name: Glyoxylic acid

CAS: 298-12-4

MF: C2H2O3

MW: 74.04

EINECS: 206-058-5

Melting point: -93°C

Boiling point: 111°C

Density: 1.33 g/mL at 20 °C

Refractive index: n20/D 1.414

Fp: 111°C

Storage temp: Store below +30°C.

Pka: 3.18(at 25℃)

Merck: 14,4511

BRN: 741891

Specification

Items   index
Assay %≥ 40.0、50.0
oxalic acid %≥ 1.50
Nitric acid

                          %≥

0.50
Glyoxal %≥ 1.20

Application

In the perfume industry, it is used as a raw material for the production of methyl vanillin and ethyl vanillin.

Used in the pharmaceutical industry as an antihypertensive drug Atenolol, D-p-hydroxyphenylglycine (a nationally developed pharmaceutical intermediate), broad-spectrum antibiotic amoxicillin (oral), acetophenone, amino acid and other compounds The synthetic intermediate.

Used as an intermediate for varnish raw materials, dyes, plastics and agricultural chemicals.

It can also be used to produce allantoin. Allantoin is an intermediate of antiulcer drugs, pharmaceutical products, and daily chemicals.

Storage

Keep it tightly sealed, keep away from the sun, avoid contact with air, and store in a cool, dry and ventilated place. Store and transport in accordance with toxic chemicals regulations.

Physical and chemical properties

This product is a colorless or light yellow liquid. It is miscible with water, slightly soluble in ethanol and ether. Insoluble in esters and aromatic solvents. The solution is extremely stable and does not deteriorate when placed in the air, and glyoxylic acid exists in a hydrated form in the aqueous solution. Corrosive.