1-pentyne
| Section 1. Identification | |||
|---|---|---|---|
| Chemical Name | 1-pentyne | CAS No. | 627-19-0 |
| Synonyms | n-propylacetylene | Chinese Name | 1-戊炔 |
| Molecular Formula | C5H8 | Molecular Weight | 68.12 |
| UN No. | 3295 | Data Source | PubChem (NIH/NLM) |
| GHS Hazard Classification | |
|---|---|
| Signal Word | DANGER |
| Pictograms | GHS02 · Flammable GHS07 · Irritant GHS08 · Health Hazard |
| Hazard Statements | H225H304H315H319H335 |
| Precautionary Statements | P210P233P240P241P242P243P261P264P264+P265P271P280P301+P316P302+P352P303+P361+P353P304+P340P305+P351+P338P319P321P331P332+P317P337+P317P362+P364P370+P378P403+P233P403+P235P405P501 |
| Contents | |||
|---|---|---|---|
| Section 2 | Hazards Identification | Section 9 | Physical and Chemical Properties |
| Section 11 | Toxicological Information | ||
Section 2. Hazards Identification
H225 (98.1%): Highly Flammable liquid and vapor [Danger Flammable liquids]
H304 (94.3%): May be fatal if swallowed and enters airways [Danger Aspiration hazard]
H315 (81.1%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (81.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (81.1%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P301+P316, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P331, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 53 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Section 9. Physical and Chemical Properties
Colorless liquid; Not miscible or difficult to mix in water; [MSDSonline]
436.0 [mmHg]
Coriolis coupling
Schoenflies notation
Boiling point
Centrifugal distortion
Chemical bond
Equilibrium structure
Heat of sublimation
Hindering potential
Internuclear distance
Magnetic anisotropy
Molecular structure
Moment of inertia
Nuclear quadrupole coupling
Nuclear quadrupole moment
Optical coefficient
Point group
Reaction coordinate
Refractive index
Rotation-vibration spectrum
Rotational excitation cross section
Sound absorption
Sound propagation
Sound velocity
Thermal expansion coefficient
Vapor pressure
Vibrational mode frequency
Other Classes -> Aliphatics, Unsaturated
Section 11. Toxicological Information
Neurotoxin - Acute solvent syndrome
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.
