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Cas Database |
| Name |
1-Pentyn-3-ol |
EINECS | 224-063-0 |
| CAS No. | 4187-86-4 | Density | 0.975 |
| PSA | 20.23000 | LogP | 0.39050 |
| 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 |
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Hazard Symbols |
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| Synonyms |
(RS)-1-Pentyn-3-ol;3-Hydroxy-1-pentyne; Ethylethynylcarbinol; NSC 60556 |
Article Data | 37 |
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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