China wholesale Butylated Hydroxyanisole 25013-16-5 - Glyoxylic acid 298-12-4 – Starsky
China wholesale Butylated Hydroxyanisole 25013-16-5 - Glyoxylic acid 298-12-4 – Starsky Detail:
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.
Product detail pictures:
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By Mark from Mombasa - 2017.08.18 18:38
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By Ruth from Belgium - 2018.02.12 14:52
