1-heptyne
| Section 1. Identification | |||
|---|---|---|---|
| Chemical Name | 1-heptyne | CAS No. | 628-71-7 |
| Synonyms | n-heptyne | Chinese Name | 1-庚炔 |
| Molecular Formula | C7H12 | Molecular Weight | 96.17 |
| 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 2. Hazards Identification
H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]
H304 (94%): May be fatal if swallowed and enters airways [Danger Aspiration hazard]
H315 (82%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (82%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (80%): 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 50 reports by companies from 7 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
Boiling point
Diamagnetic susceptibility
Excess enthalpy
Excess volume
Heat of solution
Heat of sublimation
Magnetic susceptibility
Mixing enthalpy
Optical coefficient
Phase diagram
Phase equilibrium
Refractive index
Sound absorption
Sound propagation
Sound velocity
Surface tension
Thermal expansion coefficient
Vapor pressure
Vapor-liquid equilibrium
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.
