but-2-yne-1,4-diol

C4H6O2

CAS110-65-6
Toxic
Health Hazard
Corrosive
Danger

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Identification

CAS Number
110-65-6
EC Number
203-788-6
UN Number
2716
Index Number
603-076-00-9
PubChem CID
8066

Physical-chemical properties

Molecular Formula
C4H6O2
Molar Mass
86.09 g/mol
IUPAC Name
but-2-yne-1,4-diol

Chemical Identifiers

InChI
InChI=1S/C4H6O2/c5-3-1-2-4-6/h5-6H,3-4H2
InChI Key
DLDJFQGPPSQZKI-UHFFFAOYSA-N

Overview

but-2-yne-1,4-diol (CAS: 110-65-6) is a chemical compound widely used in industry. The molecular formula is C4H6O2. The molar mass is 86.09 g/mol.

Safety & Classification

Danger
Classification:

Acute Tox. 3 *; Acute Tox. 4 *; Acute Tox. 3 *; STOT RE 2 *; Skin Corr. 1B; Skin Sens. 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H331

Toxic if inhaled.

H312

Harmful in contact with skin.

H301

Toxic if swallowed.

H373

May cause damage to organs through prolonged or repeated exposure.

H314

Causes severe skin burns and eye damage.

H317

May cause an allergic skin reaction.

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:

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:

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:

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:

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 Number2716
ADR Class6.1
Packing GroupIII
Tunnel CodeE
Proper Shipping NameButin-1,4-diol, fest
Marine PollutantNo

Frequently Asked Questions

What is but-2-yne-1,4-diol?

but-2-yne-1,4-diol (CAS 110-65-6) is a chemical substance with the formula C4H6O2 used in various industrial applications.

What are the properties of but-2-yne-1,4-diol?

but-2-yne-1,4-diol has a molar mass of 86.09 g/mol. It is classified as Acute Tox. 3 *; Acute Tox. 4 *; Acute Tox. 3 *; STOT RE 2 *; Skin Corr. 1B; Skin Sens. 1. See the technical data above for more details.

How to store but-2-yne-1,4-diol safely?

but-2-yne-1,4-diol 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 but-2-yne-1,4-diol dangerous?

but-2-yne-1,4-diol carries the signal word "Danger". 3 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy but-2-yne-1,4-diol?

You can order but-2-yne-1,4-diol (CAS 110-65-6) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.

Services for but-2-yne-1,4-diol

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