Isobutane (R600a)异丁烷（R600a）

C₄H₁₀ · CAS 75-28-5 · UN 1969

High-purity isobutane (R600a) — the leading natural refrigerant for domestic refrigerators and freezers, and a versatile aerosol propellant.高纯异丁烷（R600a）——家用电冰箱与冷柜的主流天然制冷剂，也是多用途气雾推进剂。

Chemical Formula化学式C₄H₁₀ (iso)

CAS NumberCAS 号75-28-5

UN NumberUN 编号UN 1969

Boiling Point (1 atm)沸点（1 atm）−11.7 °C

GWPGWP（全球变暖潜能值）≈ 3

Refrigerant Class制冷剂安全等级A3 (mildly flammable)

Packaging包装118L/400L/800L/926Lsteel cylinders,、ISO tank on request

Purity Grade纯度等级Refrigerant / industrial grade — contact us

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Product Quality Index产品质量指标

Purity纯度≥99.5

Sulfur (ppm)硫(ppm)≤1.0

Moisture (ppm)水分(ppm)≤10

Acidity (ppm by weight, as HCl)酸度(重量ppm，以HCl计)≤1.0

Vapor Residue (% by volume)蒸气残留物(体积%)≤0.01

Appearance外观Colorless无色

Odor气味Odorless无臭

Physical Property物理性质

Component成分n-Butane正丁烷

Appearance and Character外观和性状Colorless gas无色气体

Melting Point (℃)熔点(℃)−159.6 ℃

Boiling Point (℃)沸点(℃)−0.5 ℃

Relative Density (water=1)相对密度(水=1)0.60

Relative Vapor Density (air=1)相对蒸气密度(空气=1)2.0

Saturated Vapor Pressure饱和蒸汽压160.6 kPa (20 ℃)160.6千帕（20 ℃）

Critical Temperature (℃)临界温度(℃)152.0 ℃

Critical Pressure (MPa)临界压力(MPa)3.8 MPa

Flash Point (℃)闪点(℃)−60 ℃

Ignition Temperature (℃)燃点(℃)405 ℃

Upper Explosion Limit (%v/v)爆炸上限%(v/v)8.5

Lower Explosion Limit (%v/v)爆炸下限%(v/v)1.8

Solubility溶解度Slightly soluble in water, soluble in ethanol and ether.微溶于水，溶于乙醇、乙醚。

Main Use主要用途

Application用途Used as refrigerant, aerosol propellant, solvent, and for organic synthesis.用作制冷剂、气雾推进剂、溶剂及有机合成原料。

Packing Specification包装规格

Package包装118L, 400L, 800L reusable cylinders, ISO tank.118L、400L、800L可重复使用气瓶，ISO罐。

Hydrocarbon, refrigerant, cryogenic & industrial gas — one supplier.碳氢、制冷剂、深冷与工业气体——一家供应商。

Isobutane (R600a)异丁烷（R600a）

Product Quality Index产品质量指标

Physical Property物理性质

Main Use主要用途

Packing Specification包装规格