1.00700

Thioglycolic acid

GR for analysis Reag. Ph Eur

• Synonym(s): Thioglycolic acid, Mercaptoacetic acid, 2-Mercaptoethanoic acid
• Empirical Formula (Hill Notation): C₂H₄O₂S
• CAS Number: 68-11-1
• Molecular Weight: 92.12
• MDL number: MFCD00004876
• UNSPSC Code: 12352106
• EC Index Number: 200-677-4
• NACRES: NA.21

Properties

• agency: reag. Ph. Eur.
• Quality Level: 100
• vapor pressure: 0.1 hPa ( 20 °C)
• potency: 73 mg/kg LD₅₀, oral (Rat)
• pH: 1 (20 °C in H₂O)
• bp: 220 °C/1013 hPa (decomposition)
• mp: -16.5 °C
• transition temp: flash point 131.5 °C
• density: 1.325 g/cm³ at 20 °C
• storage temp.: 2-8°C
• InChI: 1S/C2H4O2S/c3-2(4)1-5/h5H,1H2,(H,3,4)
• InChI key: CWERGRDVMFNCDR-UHFFFAOYSA-N

Description

Application

• Low-Temperature Synthesis of Bi(2)S(3) Hierarchical Microstructures via Co-Precipitation and Digestive Process in Aqueous Medium: This study highlights the use of thioglycolic acid in the synthesis of bismuth sulfide microstructures, demonstrating its role in facilitating low-temperature reactions, which is crucial for the development of advanced materials in various industrial applications (Carrasco-González et al., 2024).


• CdS Semiconductor Quantum Dots; Facile Synthesis, Application as Off Fluorescent Sensor for Detection of Lead (Pb(2+)) Ions and Catalyst for Degradation of Dyes from Water: The study explores thioglycolic acid′s role in synthesizing quantum dots for environmental monitoring and purification systems, reflecting its critical application in environmental safety and nanotechnology (Farahmandzadeh et al., 2023).

Analysis Note

Description: clear, colourless liquid
Identity: conforms
Assay (iodometric): ≥ 99 %
Solubility (USP): conforms
Sensitivity (USP): conforms
Fe (Iron): ≤ 0.00005 %
Organic bound chlorine: ≤ 0.01 %
Sulfated ash: ≤ 0.05 %
The statement of the assay applies to the test date.Agradual substance-specific content reduction,especially at higher temperatures,must be expected.

Safety Information

• pictograms: GHS06,GHS05
• signalword: Danger
• hcodes: H301 + H311 + H331,H314,H317,H412
• pcodes: P261 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1B
• Storage Class: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• wgk_germany: WGK 3
• flash_point_f: 266.0 °F - closed cup
• flash_point_c: 130 °C - closed cup