8.22342

Trichloroacetic acid

for synthesis

• Synonym(s): Trichloroacetic acid
• Empirical Formula (Hill Notation): C₂HCl₃O₂
• CAS Number: 76-03-9
• Molecular Weight: 163.39
• MDL number: MFCD00004177
• UNSPSC Code: 12352106
• EC Index Number: 200-927-2
• NACRES: NA.22

Properties

• vapor pressure: 1 hPa ( 20 °C)
• Quality Level: 200
• Assay: ≥98% (acidimetric)
• form: solid
• autoignition temp.: 711 °C
• potency: 3320 mg/kg LD₅₀, oral (Rat)
• pH: <1 (20 °C, 50 g/L in H₂O)
• mp: 54-56 °C
• transition temp: flash point >110 °C
• solubility: 1300 g/L
• density: 1.63 g/cm³ at 20 °C
• bulk density: 900 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/C2HCl3O2/c3-2(4,5)1(6)7/h(H,6,7)
• InChI key: YNJBWRMUSHSURL-UHFFFAOYSA-N

Description

Application

• Stable dechlorination of Trichloroacetic Acid (TCAA) to acetic acid catalyzed by palladium nanoparticles: This research discusses a method for dechlorinating TCAA to acetic acid, crucial during the COVID-19 pandemic for disinfection byproducts (Cai et al., 2021).

Analysis Note

Assay (acidimetric): ≥ 98.0 %
Identity (IR): passes test

Safety Information

• Pictograms: GHS05,GHS09
• Signal Word: Danger
• Hazard Statements: H314,H410
• Precautionary Statements: P260 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1A
• Storage Class Code: 8B - Non-combustible corrosive hazardous materials
• WGK: WGK 2
• Flash Point(F): >235.4 °F - closed cup
• Flash Point(C): > 113 °C - closed cup