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Origin: China
Cas No: 78-79-5
Specification: 99%min
Min order Quantity: 1 /kg
Supply Ability: 50 mt/month
Lead time: 7 days for OEM, 3 days for ready goods
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Quantity(Kilograms) | 1 - 100 | >100 |
Est. Time(days) | 1 | To be negotiated |
Property
Description
Basic Info
Chemical Name | isoprene |
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Synonyms | 2-methyl-buta-1,3-diene; |
CAS No. | 78-79-5 |
Molecular Formula | C5H8 |
Molecular Weight | 68.11700 |
PSA | 0.00000 |
LogP | 1.74850 |
Properties
Appearance & Physical State | colourless liquid with an aromatic odour |
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Density | 0.68 |
Boiling Point | 34ºC |
Melting Point | -146ºC |
Freezing Point | -145.96℃ |
Flash Point | -48ºC |
Refractive Index | 1.4205-1.4225 |
Water Solubility | 0.07 g/100 mL |
Stability | Stability Extremely flammable. Readily forms explosive mixtures with air. Note low flash point, low boiling point, high vapour pressure. Unstable - prone to spontaneous polymerization. May contain a polymerization inhibitor. Incompatible with strong oxidiz |
Storage Condition | 2-8ºC |
Vapor Density | 2.35 (vs air) |
Vapor Pressure | 8.82 psi ( 20 °C) |
Safety Info
RTECS | NT4037000 |
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Hazard Class | 3 |
Safety Statements | S45-S53-S61 |
HS Code | 4002601000 |
WGK Germany | 1 |
Packing Group | I |
RIDADR | UN 1218 |
Risk Statements | R12; R45; R52/53; R68 |
Hazard Codes | F+; T |
Symbol | GHS02, GHS08, GHS09 |
Caution Statement | P201; P210; P280; P308 + P313; P370 + P378; P403 + P235 |
Hazard Declaration | H224; H341; H350; H411 |
Signal Word | Danger |
Synthesis Route
GC Analysis
Column type | Active phase | Temperature (°C) | Retention Index (I) | Temperature Control Method |
---|---|---|---|---|
Capillary | OV-1 | 27. | 496. | isothermal |
Capillary | OV-1 | 30. | 508. | isothermal |
Capillary | OV-1 | 75. | 506. | isothermal |
Packed | Squalane | 70. | 499. | isothermal |
Capillary | Squalane | 50. | 497.5 | isothermal |
Precursor
Downstream Product