formic acid

CH2O2

CAS64-18-6

Danger

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Identification

CAS Number: 64-18-6
EC Number: 200-579-1
UN Number: 1779
Index Number: 607-001-00-0
PubChem CID: 284

Physical-chemical properties

Molecular Formula: CH2O2
Molar Mass: 46.02 g/mol
IUPAC Name: formic acid

Chemical Identifiers

InChI: InChI=1S/CH2O2/c2-1-3/h1H,(H,2,3)
InChI Key: BDAGIHXWWSANSR-UHFFFAOYSA-N

Overview

formic acid (CAS: 64-18-6) is a chemical compound widely used in industry. The molecular formula is CH2O2. The molar mass is 46.02 g/mol.

Safety & Classification

Danger

Classification:

Flam. Liq. 3; Met. Corr. 1; Acute Tox. 3; Acute Tox. 4; Skin Corr. 1A; Eye Dam. 1

GHS Pictograms

Flame

GHS02

Flammable. May ignite on contact with air, water, or heat sources.

Corrosion

GHS05

Corrosive. Causes severe skin burns and eye damage.

Skull and Crossbones

GHS06

Acute toxicity. Fatal if swallowed, in contact with skin, or if inhaled.

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H226

Flammable liquid and vapour.

H290

May be corrosive to metals.

H331

Toxic if inhaled.

H302

Harmful if swallowed.

H314

Causes severe skin burns and eye damage.

H318

Causes serious eye damage.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Inhalation

Toxic

Measures if vapours or dust are inhaled

First Aid Actions

+P304IF INHALED:
+P340Remove person to fresh air and keep comfortable for breathing.
+P311Call a POISON CENTER/doctor.

Related hazard statements:

H331

Skin Contact

Harmful

Measures if substance contacts the skin

First Aid Actions

+P302IF ON SKIN:
+P352Wash with plenty of water.
+P361Take off immediately all contaminated clothing.
+P313Get medical advice/attention.

Related hazard statements:

H314

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

+P305IF IN EYES:
+P351Rinse cautiously with water for several minutes.
+P338Remove contact lenses, if present and easy to do. Continue rinsing.
+P313Get medical advice/attention.

Related hazard statements:

H314 H318

Ingestion

Harmful

Measures if substance is accidentally swallowed

First Aid Actions

+P301IF SWALLOWED:
+P330Rinse mouth.
+P331Do NOT induce vomiting.
+P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

H302

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number	1779
ADR Class	8
Packing Group	II
ADR Labels	3, 8
Tunnel Code	E
Proper Shipping Name	AMEISENSÄURE mit mehr als 85 % Säure
Marine Pollutant	No

Frequently Asked Questions

What is formic acid?

formic acid (CAS 64-18-6) is a chemical substance with the formula CH2O2 used in various industrial applications.

What are the properties of formic acid?

formic acid has a molar mass of 46.02 g/mol. It is classified as Flam. Liq. 3; Met. Corr. 1; Acute Tox. 3; Acute Tox. 4; Skin Corr. 1A; Eye Dam. 1. See the technical data above for more details.

How to store formic acid safely?

formic acid should be stored according to the Safety Data Sheet instructions. Follow the GHS labeling and keep the substance in a cool, dry and well-ventilated place.

Is formic acid dangerous?

formic acid carries the signal word "Danger". 3 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy formic acid?

You can order formic acid (CAS 64-18-6) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.