(E)-but-2-enal

C4H6O

CAS4170-30-3

Danger

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Identification

CAS Number: 4170-30-3
EC Number: 224-030-0
UN Number: 1143
Index Number: 605-009-00-9
PubChem CID: 447466

Physical-chemical properties

Molecular Formula: C4H6O
Molar Mass: 70.09 g/mol
IUPAC Name: (E)-but-2-enal

Chemical Identifiers

InChI: InChI=1S/C4H6O/c1-2-3-4-5/h2-4H,1H3/b3-2+
InChI Key: MLUCVPSAIODCQM-NSCUHMNNSA-N

Overview

(E)-but-2-enal (CAS: 4170-30-3) is a chemical compound widely used in industry. The molecular formula is C4H6O. The molar mass is 70.09 g/mol.

Safety & Classification

Danger

Classification:

Flam. Liq. 2; Muta. 2; Acute Tox. 2 *; Acute Tox. 3 *; Acute Tox. 3 *; STOT SE 3; STOT RE 2 *; Sk...

GHS Pictograms

Flame

GHS02

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

Health Hazard

GHS08

Serious health hazard. May cause cancer, organ damage, or genetic defects.

Skull and Crossbones

GHS06

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

Corrosion

GHS05

Corrosive. Causes severe skin burns and eye damage.

Environment

GHS09

Environmental hazard. Toxic to aquatic life with long lasting effects.

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H225

Highly flammable liquid and vapour.

H341

Suspected of causing genetic defects.

H330

Fatal if inhaled.

H311

Toxic in contact with skin.

H301

Toxic if swallowed.

H335

May cause respiratory irritation.

H373

May cause damage to organs through prolonged or repeated exposure.

H315

Causes skin irritation.

H318

Causes serious eye damage.

H400

Very toxic to aquatic life.

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

Fatal

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:

H330 H335

Skin Contact

Toxic

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:

H311 H315

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:

H318

Ingestion

Toxic

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:

H301

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	1143
ADR Class	6.1
Packing Group	I
Tunnel Code	C/D
Proper Shipping Name	Crotonaldehyd, stabilisiert
Marine Pollutant	No

Frequently Asked Questions

What is (E)-but-2-enal?

(E)-but-2-enal (CAS 4170-30-3) is a chemical substance with the formula C4H6O used in various industrial applications.

What are the properties of (E)-but-2-enal?

(E)-but-2-enal has a molar mass of 70.09 g/mol. It is classified as Flam. Liq. 2; Muta. 2; Acute Tox. 2 *; Acute Tox. 3 *; Acute Tox. 3 *; STOT SE 3; STOT RE 2 *; Sk.... See the technical data above for more details.

How to store (E)-but-2-enal safely?

(E)-but-2-enal 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 (E)-but-2-enal dangerous?

(E)-but-2-enal carries the signal word "Danger". 5 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy (E)-but-2-enal?

You can order (E)-but-2-enal (CAS 4170-30-3) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.