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Key Documents

8.14662

Sigma-Aldrich

Glycolic acid

(70% solution in water) special quality

Synonym(s):

Hydroxyacetic acid

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About This Item

UNSPSC Code:
12352106
NACRES:
NA.22

vapor pressure

27.5 hPa ( 25 °C)

Quality Level

form

liquid

pH

0.5 (20 °C, 700 g/L in H2O)

bp

112 °C/1013 hPa

mp

10 °C

density

1.26 g/cm3 at 20 °C

storage temp.

2-30°C

Application

  • Sustainable recycling of polyethylene terephthalate: Yang J. et al. discuss the recycling and upcycling of polyethylene terephthalate through biotic and abiotic pathways, focusing on sustainable practices that contribute to carbon neutrality. This research provides insights into environmentally friendly chemical processes that include the use of glycolic acid (Yang et al., 2024).

Analysis Note

Assay (acidimetric): 69.0 - 74.0 %
Density (d 20 °C/ 4 °C): 1.260 - 1.280
Heavy metals (as Pb): ≤ 3 ppm
Refractive index (n 20°/D): 1.410 - 1.415
pH-value: 0.0 - 1.0
Color number (Hazen): ≤ 30
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Eye Dam. 1 - Skin Corr. 1

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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