pent-2-yne
pent-2-yne
CAS: 627-21-4
Molecular Formula: C5H8
pent-2-yne - Names and Identifiers
| Name | pent-2-yne |
| Synonyms | 2-PENTYNE pent-2-yne Valerylene C2H5CequivCCH3 ETHYLMETHYLACETYLENE 1-Ethyl-2-methylacetylene |
| CAS | 627-21-4 |
| EINECS | 210-989-2 |
| InChI | InChI=1/C5H8/c1-3-5-4-2/h3H2,1-2H3 |
pent-2-yne - Physico-chemical Properties
| Molecular Formula | C5H8 |
| Molar Mass | 68.12 |
| Density | 0.721g/cm3 |
| Melting Point | -109 °C (lit.) |
| Boling Point | 56.7°C at 760 mmHg |
| Flash Point | −23 °F |
| Vapor Presure | 237mmHg at 25°C |
| Appearance | Form Liquid, color Clear colorless to slightly yellow |
| Storage Condition | Flammables area |
| Refractive Index | 1.406 |
| MDL | MFCD00009380 |
pent-2-yne - Risk and Safety
| Hazard Symbols | Xi - Irritant F+ - Highly flammable  |
| Risk Codes | R11 - Highly Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. |
| 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. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | 3295 3/PG 2 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-23 |
| HS Code | 29012900 |
| Hazard Class | 3 |
| Packing Group | II |
pent-2-yne - Upstream Downstream Industry
pent-2-yne - Nature
| Vapor pressure | 393mm Hg ( 37.7 °C) |
| refractive index | n20/D 1.404(lit.) |
| flash point | −23 °F |
| storage conditions | Flammables area |
| morphology | Liquid |
| color | Clear colorless to slightly yellow |
| Specific gravity | 0.711 |
| explosion limit value (explosive limit) | 1.2-8.8%(V) |
| BRN | 1696938 |
Last Update：2024-04-10 22:29:15
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View History
pent-2-yne
Propargyl bromide
H-ILE-ILE-ILE-OH
disodium 6-amino-4-hydroxy-5-[(4-nitro-2-sulphonatophenyl)azo]naphthalene-2-sulphonate
5-HYDROXY-2-NITROBENZOIC ACID
L-Homocystine
Dimethylaminoacethyhydrazide hydrochloride
N-(二硫代羧基)肌氨酸
Propargyl bromide
H-ILE-ILE-ILE-OH
disodium 6-amino-4-hydroxy-5-[(4-nitro-2-sulphonatophenyl)azo]naphthalene-2-sulphonate
5-HYDROXY-2-NITROBENZOIC ACID
L-Homocystine
Dimethylaminoacethyhydrazide hydrochloride
N-(二硫代羧基)肌氨酸
Raw Materials for pent-2-yne
Downstream Products for pent-2-yne