Name | hex-1-yne |
Synonyms | Hexyne 1-HEXYNE hex-1-yne Hex-1-yne HEXYNE(1-) C4H9CequivCH Butyl acetyne Butylacetylene N-BUTYLACETYLENE |
CAS | 693-02-7 |
EINECS | 211-736-9 |
InChI | InChI=1/C6H10/c1-3-5-6-4-2/h1H,4-6H2,2H3 |
Molecular Formula | C6H10 |
Molar Mass | 82.1436 |
Density | 0.737g/cm3 |
Melting Point | -132℃ |
Boling Point | 71.4°C at 760 mmHg |
Flash Point | −6 °F |
Water Solubility | Miscible with organic solvents. Immiscible with water. |
Vapor Presure | 135mmHg at 25°C |
Refractive Index | 1.411 |
Hazard Symbols | F - Flammable Xn - Harmful |
Risk Codes | R11 - Highly Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. R65 - Harmful: May cause lung damage if swallowed |
Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S33 - Take precautionary measures against static discharges. S36 - Wear suitable protective clothing. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. S9 - Keep container in a well-ventilated place. |
UN IDs | UN 3295 |
category | flammable liquid |
toxicity classification | highly toxic |
acute toxicity | abdominal cavity-mouse LD50: 100 mg/kg; Subcutaneous-mouse LD50: 400 mg/kg |
flammability hazard characteristics | it is flammable in case of open flame, high temperature and oxidant; combustion produces stimulating smoke |
storage and transportation characteristics | The warehouse is ventilated and dry at low temperature; it is stored separately from oxidants and acids |
fire extinguishing agent | dry powder, dry sand, carbon dioxide, foam |
Vapor pressure | 253mm Hg ( 37.7 °C) |
refractive index | n20/D 1.399(lit.) |
flash point | −6 °F |
storage conditions | Store at 2°C to 8°C. |
solubility | 0.36g/l (experimental) |
morphology | Liquid |
color | Clear colorless |
Specific gravity | 0.715 |
water solubility | Miscible with organic solvents. Immiscible with water. |
BRN | 635687 |
stability | Stable. Incompatible with strong oxidizing agents. Highly flammable - readily forms explosive mixtures with air. |
NIST chemical information | 1-Hexyne(693-02-7) |
EPA chemical information | 1-Hexyne (693-02-7) |
WGK Germany | 3 |
RTECS number | MQ9691000 |
F | 10-23 |
auto-ignition temperature | 263 °C |
Hazard Note | Irritant |
TSCA | Yes |
HazardClass | 3 |
PackingGroup | II |
customs code | 29012980 |