Trichloroacetic acid

• Catalog No.: 27242
• CAS Number: 76-03-9
• M. F.: C2HCl3O2
• M. W.: 163.38714
• Purity: 99-100.5% (calc. to the dried substance)

SYNONYMS

• Title: 三氯乙酸
• IUPAC name: trichloroacetic acid
• IUPAC Traditional name: trichloroacetic acid
• Synonyms: TCA

DATABASE IDS

• Beilstein Number: 970119
• MDL Number: MFCD00004177
• PubChem SID: 24856470
• EC Number: 200-927-2
• CAS Number: 76-03-9

PROPERTIES

• GHS Hazard statements: H314-H410
• European Hazard Symbols: Corrosive (C)
• European Hazard Symbols: Nature polluting (N)
• Personal Protective Equipment: Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• GHS Precautionary statements: P273-P280-P305 + P351 + P338-P310-P501
• RID/ADR: UN 1839 8/PG 2
• Risk Statements: 35-50/53
• RTECS: AJ7875000
• Safety Statements: 26-36/37/39-45-60-61
• Hazard Class: 8
• UN Number: 1839
• Packing Group: 2
• German water hazard class: 2
• GHS Signal Word: Danger
• Antion Traces: chloride (Cl-): ≤50 mg/kg
• Antion Traces: sulfate (SO42-): ≤500 mg/kg
• Cation Traces: Fe: ≤20 mg/kg
• Grade: puriss.
• Ignition Residue: ≤0.02% (as SO4)
• Linear Formula: Cl3CCOOH
• Loss on Drying: ≤0.5% loss on drying, 18 h (on silica gel)
• Purity: 99-100.5% (calc. to the dried substance)
• Quality: meets analytical specification of Ph. Eur., USP 21
• Boiling Point: 196 °C(lit.)
• Density: 1.62 g/mL at 25 °C(lit.)
• Flash Point: >113 °C
• Flash Point: >235.4 °F
• Melting Point: 54-58 °C(lit.)
• Refractive Index: n20/D 1.62(lit.)
• Vapor Density: <1 (vs air)
• Vapor Pressure: 1 mmHg ( 51 °C)

DETAILS

Description (English)

Application
Traditionally used to precipitate protein. Has been used to determine protein concentration by quantitative precipitation. Used as decalcifier and fixative in microscopy.

Description (简体中文)

Application
传统上用于沉淀蛋白质。用于通过定量沉淀测定蛋白质浓度。用作脱钙剂和显微镜样品的固定剂。