Formic Acid (85% & 95%)

Formic Acid (85% & 95%)

CAS Number: 64‑18‑6

Chemical Formula:HCOOH

Product Introduction

A colorless to slightly yellow liquid with a sharp, pungent odor. Used in leather processing, textile dyes, resin production, cleaning agents, agriculture, and as a pH adjuster. High purity grades also serve in analytical and reagent applications.

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Physical & Chemical Properties

Property 85% Aqueous 95% Aqueous
Appearance Colorless liquid; pungent odor Similar as above
Melting Point ~–51 °C (85%) Data not specified
Boiling Point ~107 °C (85%) Higher, concentrated
Density @20 °C ~1.22 g/mL Slightly higher
Vapor Pressure ~35–45 mmHg (85%) Higher for 95%
Flash Point ~49 °C OC (85%) Starts becoming flammable
Solubility Fully miscible in water Fully miscible
Vapor Density ~1.6× air Similar

Applications

  • Leather tanning, textile dyes, resin chemistry
  • Acidulant and antimicrobial in cleaning, agriculture
  • pH control in labs and food industry; reagent-grade usage

Safety & Handling

  • Corrosive (GHS H314); flammable above ~90 °C for 85% solution
  • Irritant: causes burns to skin/eyes and inhalation hazard; TLV–TWA 5 ppm, IDLH 30 ppm
  • Use PPE, acid-resistant gear, eyewash, ventilation, and store ≤ 30 °C

Packing Options

  • Lab: 250 mL–2 L bottles
  • Industrial: 240–551 kg drums, 1200 kg IBCs

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