2,5-Dimethyl-3-hexyne-2,5-diol , 99% , 142-30-3

Synonym(s):
2,5-Dimethyl-3-hexyne-2,5-diol

CAS NO.：142-30-3

Empirical Formula: C8H14O2

Molecular Weight: 142.2

MDL number: MFCD00004468

EINECS: 205-533-4

PRODUCT Properties

• Melting point: 90-94 °C (lit.)
• Boiling point: 121-123 °C/7 mmHg (lit.)
• Density: 0,949 g/cm³
• vapor pressure: 0.025 hPa (40.3 °C)
• refractive index: 1.4179 (estimate)
• Flash point: 102°C
• storage temp.: Store below +30°C.
• solubility: 240g/l
• form: Crystalline Flakes or Powder
• pka: 12.91±0.29(Predicted)
• color: White to light yellow
• Water Solubility: 240 g/L (20 ºC)
• BRN: 969835
• InChIKey: IHJUECRFYCQBMW-UHFFFAOYSA-N
• LogP: 0.81 at 25℃
• CAS DataBase Reference: 142-30-3(CAS DataBase Reference)
• NIST Chemistry Reference: 3-Hexyne-2,5-diol, 2,5-dimethyl-(142-30-3)
• EPA Substance Registry System: 3-Hexyne-2,5-diol, 2,5-dimethyl- (142-30-3)

Description and Uses

2,5-Dimethyl-3-hexyne-2,5-diol is a white to yellowish powder or agglomerated alkyne compound commonly used in the manufacture of chemical products and preparations. It is used as a chemical intermediate in spices and peroxide catalysts, and as a drawing lubricant, defoamer, and coupling agent in resin coatings. In addition, it can also be applied as surfactant component and electroplating auxiliary.

Ethoxylated acetylene-based diols are highly effective as surfactants and used in many applications.

Safety

• Symbol(GHS): GHS08,GHS07
• Signal word: Danger
• Hazard statements: H317-H334
• Precautionary statements: P280g-P302+P352a-P321-P333+P313-P501a-P272-P302+P352+P333+P313+P363-P501-P261-P280-P342+P311
• Hazard Codes: Xn
• Risk Statements: 42/43
• Safety Statements: 7-36-24/25
• WGK Germany: 3
• RTECS: MR0176000
• TSCA: Yes
• HS Code: 29053980
• Hazardous Substances Data: 142-30-3(Hazardous Substances Data)