5-Oxa-2-octyne-1,7-diol

CAS NO.：1606-79-7
Empirical Formula: C7H12O3
Molecular Weight: 144.17
MDL number: MFCD09743551
EINECS: 216-522-9
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-27 23:48:54

What is 5-Oxa-2-octyne-1,7-diol?

Description

5-Oxa-2-octyne-1,7-diol is a monomer belonging to the class of heterocyclic compounds. It is a condensation of butynediol and propylene oxide and is one of the most commonly used intermediates for long-lasting nickel plating. It has been used in studies for coating silicones on metal surfaces. The compound is also a surfactant used for cleaning and degreasing dishes, pots and pans. It is often used in conjunction with secondary whitening agents such as PAP. 5-Oxa-2-octyne-1,7-diol is resistant to degradation by sulfate or carboxylic acid ester solvents. It has shown activity as a monomer with methyl ester and alkenyl groups and can be used in polymer and acid nickel plating additives and their preparation methods studies.

The Uses of 5-Oxa-2-octyne-1,7-diol

5-Oxa-2-octyne-1,7-diol can be used as brightener for nickel plating and corrosion inhibitor for ferrous metals.

Properties of 5-Oxa-2-octyne-1,7-diol

Boiling point:	285.2±20.0 °C(Predicted)
Density	1.116±0.06 g/cm3(Predicted)
storage temp.	2-8°C
form	Transparent liquid
pka	12.97±0.10(Predicted)
color	Orange yellow to brownish yellow
PH	6.0-9.0
Water Solubility	Miscible with water in all proportions (20℃)
InChI	InChI=1S/C7H12O3/c1-7(9)6-10-5-3-2-4-8/h7-9H,4-6H2,1H3
EPA Substance Registry System	2-Butyn-1-ol, 4-(2-hydroxypropoxy)- (1606-79-7)

Safety information for 5-Oxa-2-octyne-1,7-diol

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H312:Acute toxicity,dermal H332:Acute toxicity,inhalation
Precautionary Statement Codes	P280:Wear protective gloves/protective clothing/eye protection/face protection.