142-30-3

Name 2,5-Dimethyl-3-hexyne-2,5-diol
CAS 142-30-3
EINECS(EC#) 205-533-4
Molecular Formula C8H14O2
MDL Number MFCD00004468
Molecular Weight 142.2
MOL File 142-30-3.mol
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Chemical Properties

Appearance white to light yellow crystalline flakes or powder
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)
Fp  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
InChI 1S/C8H14O2/c1-7(2,9)5-6-8(3,4)10/h9-10H,1-4H3
InChIKey IHJUECRFYCQBMW-UHFFFAOYSA-N
SMILES CC(C)(O)C#CC(C)(C)O
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 142-30-3(EPA Substance)
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Safety Data

Symbol(GHS)  Health Hazard (GHS08)Exclamation Mark (GHS07)
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 
R42/43:May cause sensitization by inhalation and skin contact .
Safety Statements 
S7:Keep container tightly closed .
S36:Wear suitable protective clothing .
S24/25:Avoid contact with skin and eyes .
WGK Germany  3
RTECS  MR0176000
TSCA  Yes
REACH Registrations Inactive
HS Code  29053980
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Hazardous Substances Data 142-30-3(Hazardous Substances Data)

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Material Safety Data Sheet(MSDS)

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