2-chlorobuta-1,3-diene

C4H5Cl

CAS126-99-8
Flammable
Health Hazard
Harmful/Irritant
Danger

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Identification

CAS Number
126-99-8
EC Number
204-818-0
UN Number
1991
Index Number
602-036-00-8
PubChem CID
31369

Physical-chemical properties

Molecular Formula
C4H5Cl
Molar Mass
88.53 g/mol
IUPAC Name
2-chlorobuta-1,3-diene

Chemical Identifiers

InChI
InChI=1S/C4H5Cl/c1-3-4(2)5/h3H,1-2H2
InChI Key
YACLQRRMGMJLJV-UHFFFAOYSA-N

Overview

2-chlorobuta-1,3-diene (CAS: 126-99-8) is a chemical compound widely used in industry. The molecular formula is C4H5Cl. The molar mass is 88.53 g/mol.

Safety & Classification

Danger
Classification:

Flam. Liq. 2; Carc. 1B; Acute Tox. 4 *; Acute Tox. 4 *; STOT SE 3; STOT RE 2 *; Skin Irrit. 2; Ey...

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H225

Highly flammable liquid and vapour.

H350

May cause cancer.

H332

Harmful if inhaled.

H302

Harmful if swallowed.

H335

May cause respiratory irritation.

H373

May cause damage to organs through prolonged or repeated exposure.

H315

Causes skin irritation.

H319

Causes serious eye irritation.

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

Harmful

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:

Skin Contact

Irritant

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:

Eye Contact

Irritant

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:

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:

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 Number1991
ADR Class3
Packing GroupI
Tunnel CodeC/E
Proper Shipping NameChloropren, stabilisiert
Marine PollutantNo

Frequently Asked Questions

What is 2-chlorobuta-1,3-diene?

2-chlorobuta-1,3-diene (CAS 126-99-8) is a chemical substance with the formula C4H5Cl used in various industrial applications.

What are the properties of 2-chlorobuta-1,3-diene?

2-chlorobuta-1,3-diene has a molar mass of 88.53 g/mol. It is classified as Flam. Liq. 2; Carc. 1B; Acute Tox. 4 *; Acute Tox. 4 *; STOT SE 3; STOT RE 2 *; Skin Irrit. 2; Ey.... See the technical data above for more details.

How to store 2-chlorobuta-1,3-diene safely?

2-chlorobuta-1,3-diene 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-chlorobuta-1,3-diene dangerous?

2-chlorobuta-1,3-diene carries the signal word "Danger". 3 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy 2-chlorobuta-1,3-diene?

You can order 2-chlorobuta-1,3-diene (CAS 126-99-8) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.

Services for 2-chlorobuta-1,3-diene

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