-
Name
1-Pentyn-3-ol
- EINECS 224-063-0
- CAS No. 4187-86-4
- Article Data37
- CAS DataBase
- Density 0.975
- Solubility Slightly soluble in water.
- Melting Point -24.1°C (estimate)
- Formula C5H8 O
- Boiling Point 126.9°Cat760mmHg
- Molecular Weight 84.1179
- Flash Point 29 ºC
- Transport Information UN 1986
- Appearance CLEAR YELLOW LIQUID
- Safety 1098409
- Risk Codes R10;R23/24/25
-
Molecular Structure
-
Hazard Symbols
- Synonyms (RS)-1-Pentyn-3-ol;3-Hydroxy-1-pentyne; Ethylethynylcarbinol; NSC 60556
- PSA 20.23000
- LogP 0.39050
1-Pentyn-3-ol Chemical Properties
Molecular Structure:
Molecular Formula: C5H8O
Molecular Weight: 84.1164
IUPAC Name: Pent-1-yn-3-ol
Synonyms of 1-Pentyn-3-ol (CAS NO.4187-86-4): 4-01-00-02224 (Beilstein Handbook Reference) ; AI3-28604 ; BRN 1098409 ; EINECS 224-063-0 ; Ethylethynylcarbinol ; NSC 60556
CAS NO: 4187-86-4
Product Categories: Drug / Therapeutic Agent
Index of Refraction: 1.442
Molar Refractivity: 24.53 cm3
Molar Volume: 92.7 cm3
Surface Tension: 34.1 dyne/cm
Density: 0.907 g/cm3
Flash Point: 29.4 °C
Enthalpy of Vaporization: 42.5 kJ/mol
Boiling Point: 126.9 °C at 760 mmHg
Vapour Pressure of 1-Pentyn-3-ol (CAS NO.4187-86-4): 5.24 mmHg at 25°C
1-Pentyn-3-ol Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | oral | 70mg/kg (70mg/kg) | Therapie. Vol. 11, Pg. 692, 1956. |
1-Pentyn-3-ol Safety Profile
Hazard Codes of 1-Pentyn-3-ol (CAS NO.4187-86-4): 
T
Risk Statements: 10-23/24/25
R10:Flammable.
R23/24/25: Toxic by inhalation, in contact with skin and if swallowed.
Safety Statements: 16-36/37/39-45
S16: Keep away from sources of ignition.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 1986 3/PG 3
WGK Germany: 3
RTECS: SC4758500
HazardClass: 3
PackingGroup: III
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