2-methylpropanoic acid

C4H8O2

CAS79-31-2

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Identification

CAS Number: 79-31-2
EC Number: 201-195-7
UN Number: 2529
Index Number: 607-063-00-9
PubChem CID: 6590

Physical-chemical properties

Molecular Formula: C4H8O2
Molar Mass: 88.11 g/mol
IUPAC Name: 2-methylpropanoic acid

Chemical Identifiers

InChI: InChI=1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)
InChI Key: KQNPFQTWMSNSAP-UHFFFAOYSA-N

Overview

2-methylpropanoic acid (CAS: 79-31-2) is a chemical compound widely used in industry. The molecular formula is C4H8O2. The molar mass is 88.11 g/mol.

Safety & Classification

Warning

Classification:

Acute Tox. 4 *; Acute Tox. 4 *

GHS Pictograms

Exclamation Mark

GHS07

Harmful. May cause irritation, allergic reactions, or drowsiness.

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H312

Harmful in contact with skin.

H302

Harmful if swallowed.

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

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:

H312

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	2529
ADR Class	3
Packing Group	III
Tunnel Code	D/E
Proper Shipping Name	Isobuttersäure
Marine Pollutant	No

Frequently Asked Questions

What is 2-methylpropanoic acid?

2-methylpropanoic acid (CAS 79-31-2) is a chemical substance with the formula C4H8O2 used in various industrial applications.

What are the properties of 2-methylpropanoic acid?

2-methylpropanoic acid has a molar mass of 88.11 g/mol. It is classified as Acute Tox. 4 *; Acute Tox. 4 *. See the technical data above for more details.

How to store 2-methylpropanoic acid safely?

2-methylpropanoic 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 2-methylpropanoic acid dangerous?

2-methylpropanoic acid carries the signal word "Warning". 1 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy 2-methylpropanoic acid?

You can order 2-methylpropanoic acid (CAS 79-31-2) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.